[Mesa-dev] [PATCH 25/33] intel: compiler: abstract printing

Lionel Landwerlin lionel.g.landwerlin at intel.com
Wed Nov 1 00:41:50 UTC 2017


On 31/10/17 20:25, Scott D Phillips wrote:
> Lionel Landwerlin <lionel.g.landwerlin at intel.com> writes:
>
>> This is required to have output redirected to something else than a
>> file descriptor (stdout).
> an alternative here might be to fdopen() a pipe(). Maybe a bit weird but
> it could save several hundred lines of change and maybe get you
> buffering to boot. however you feel about that, modulo comments made,
> Patches 16-25 are:
>
> Reviewed-by: Scott D Phillips <scott.d.phillips at intel.com>

This commit is now gone thanks to open_memstream()!

>
>> Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
>> ---
>>   src/intel/compiler/brw_compile_clip.c     |   5 +-
>>   src/intel/compiler/brw_compile_sf.c       |   5 +-
>>   src/intel/compiler/brw_disasm.c           | 645 ++++++++++++++++--------------
>>   src/intel/compiler/brw_eu.c               |  39 --
>>   src/intel/compiler/brw_eu.h               |  13 +-
>>   src/intel/compiler/brw_eu_compact.c       |   9 +-
>>   src/intel/compiler/intel_asm_annotation.c |   5 +-
>>   src/intel/compiler/test_eu_compact.cpp    |   7 +-
>>   src/intel/tools/aubinator.c               |  12 +-
>>   src/intel/tools/disasm.c                  |  63 ++-
>>   src/intel/tools/gen_disasm.h              |   7 +-
>>   11 files changed, 459 insertions(+), 351 deletions(-)
>>
>> diff --git a/src/intel/compiler/brw_compile_clip.c b/src/intel/compiler/brw_compile_clip.c
>> index 83788e4b648..8ed82a78fb4 100644
>> --- a/src/intel/compiler/brw_compile_clip.c
>> +++ b/src/intel/compiler/brw_compile_clip.c
>> @@ -88,7 +88,10 @@ brw_compile_clip(const struct brw_compiler *compiler,
>>      if (unlikely(INTEL_DEBUG & DEBUG_CLIP)) {
>>         fprintf(stderr, "clip:\n");
>>         brw_disassemble(compiler->devinfo,
>> -                      program, 0, *final_assembly_size, stderr);
>> +                      program, 0, *final_assembly_size,
>> +                      &(struct brw_print){
>> +                         .handle = stderr,
>> +                         .string = (brw_print_cb) fputs, });
>>         fprintf(stderr, "\n");
>>      }
>>   
>> diff --git a/src/intel/compiler/brw_compile_sf.c b/src/intel/compiler/brw_compile_sf.c
>> index 91e8a6da6cf..8ad5497290e 100644
>> --- a/src/intel/compiler/brw_compile_sf.c
>> +++ b/src/intel/compiler/brw_compile_sf.c
>> @@ -871,7 +871,10 @@ brw_compile_sf(const struct brw_compiler *compiler,
>>      if (unlikely(INTEL_DEBUG & DEBUG_SF)) {
>>         fprintf(stderr, "sf:\n");
>>         brw_disassemble(compiler->devinfo,
>> -                      program, 0, *final_assembly_size, stderr);
>> +                      program, 0, *final_assembly_size,
>> +                      &(struct brw_print){
>> +                         .handle = stderr,
>> +                         .string = (brw_print_cb) fputs, });
>>         fprintf(stderr, "\n");
>>      }
>>   
>> diff --git a/src/intel/compiler/brw_disasm.c b/src/intel/compiler/brw_disasm.c
>> index 1a94ed39540..b09813529ac 100644
>> --- a/src/intel/compiler/brw_disasm.c
>> +++ b/src/intel/compiler/brw_disasm.c
>> @@ -24,6 +24,8 @@
>>   #include <string.h>
>>   #include <stdarg.h>
>>   
>> +#include "common/gen_debug.h"
>> +
>>   #include "brw_eu_defines.h"
>>   #include "brw_inst.h"
>>   #include "brw_shader.h"
>> @@ -568,18 +570,18 @@ static const char *const sampler_target_format[4] = {
>>   static int column;
>>   
>>   static int
>> -string(FILE *file, const char *string)
>> +string(const struct brw_print *prnt, const char *string)
>>   {
>> -   fputs(string, file);
>> +   prnt->string(string, prnt->handle);
>>      column += strlen(string);
>>      return 0;
>>   }
>>   
>>   static int
>> -format(FILE *f, const char *format, ...) PRINTFLIKE(2, 3);
>> +format(const struct brw_print *prnt, const char *format, ...) PRINTFLIKE(2, 3);
>>   
>>   static int
>> -format(FILE *f, const char *format, ...)
>> +format(const struct brw_print *prnt, const char *format, ...)
>>   {
>>      char buf[1024];
>>      va_list args;
>> @@ -587,39 +589,39 @@ format(FILE *f, const char *format, ...)
>>   
>>      vsnprintf(buf, sizeof(buf) - 1, format, args);
>>      va_end(args);
>> -   string(f, buf);
>> +   string(prnt, buf);
>>      return 0;
>>   }
>>   
>>   static int
>> -newline(FILE *f)
>> +newline(const struct brw_print *prnt)
>>   {
>> -   putc('\n', f);
>> +   prnt->string("\n", prnt->handle);
>>      column = 0;
>>      return 0;
>>   }
>>   
>>   static int
>> -pad(FILE *f, int c)
>> +pad(const struct brw_print *prnt, int c)
>>   {
>>      do
>> -      string(f, " ");
>> +      string(prnt, " ");
>>      while (column < c);
>>      return 0;
>>   }
>>   
>>   static int
>> -control(FILE *file, const char *name, const char *const ctrl[],
>> +control(const struct brw_print *prnt, const char *name, const char *const ctrl[],
>>           unsigned id, int *space)
>>   {
>>      if (!ctrl[id]) {
>> -      fprintf(file, "*** invalid %s value %d ", name, id);
>> +      format(prnt, "*** invalid %s value %d ", name, id);
>>         return 1;
>>      }
>>      if (ctrl[id][0]) {
>>         if (space && *space)
>> -         string(file, " ");
>> -      string(file, ctrl[id]);
>> +         string(prnt, " ");
>> +      string(prnt, ctrl[id]);
>>         if (space)
>>            *space = 1;
>>      }
>> @@ -627,20 +629,20 @@ control(FILE *file, const char *name, const char *const ctrl[],
>>   }
>>   
>>   static int
>> -print_opcode(FILE *file, const struct gen_device_info *devinfo,
>> +print_opcode(const struct brw_print *prnt, const struct gen_device_info *devinfo,
>>                enum opcode id)
>>   {
>>      const struct opcode_desc *desc = brw_opcode_desc(devinfo, id);
>>      if (!desc) {
>> -      format(file, "*** invalid opcode value %d ", id);
>> +      format(prnt, "*** invalid opcode value %d ", id);
>>         return 1;
>>      }
>> -   string(file, desc->name);
>> +   string(prnt, desc->name);
>>      return 0;
>>   }
>>   
>>   static int
>> -reg(FILE *file, unsigned _reg_file, unsigned _reg_nr)
>> +reg(const struct brw_print *prnt, unsigned _reg_file, unsigned _reg_nr)
>>   {
>>      int err = 0;
>>   
>> @@ -651,55 +653,56 @@ reg(FILE *file, unsigned _reg_file, unsigned _reg_nr)
>>      if (_reg_file == BRW_ARCHITECTURE_REGISTER_FILE) {
>>         switch (_reg_nr & 0xf0) {
>>         case BRW_ARF_NULL:
>> -         string(file, "null");
>> +         string(prnt, "null");
>>            break;
>>         case BRW_ARF_ADDRESS:
>> -         format(file, "a%d", _reg_nr & 0x0f);
>> +         format(prnt, "a%d", _reg_nr & 0x0f);
>>            break;
>>         case BRW_ARF_ACCUMULATOR:
>> -         format(file, "acc%d", _reg_nr & 0x0f);
>> +         format(prnt, "acc%d", _reg_nr & 0x0f);
>>            break;
>>         case BRW_ARF_FLAG:
>> -         format(file, "f%d", _reg_nr & 0x0f);
>> +         format(prnt, "f%d", _reg_nr & 0x0f);
>>            break;
>>         case BRW_ARF_MASK:
>> -         format(file, "mask%d", _reg_nr & 0x0f);
>> +         format(prnt, "mask%d", _reg_nr & 0x0f);
>>            break;
>>         case BRW_ARF_MASK_STACK:
>> -         format(file, "msd%d", _reg_nr & 0x0f);
>> +         format(prnt, "msd%d", _reg_nr & 0x0f);
>>            break;
>>         case BRW_ARF_STATE:
>> -         format(file, "sr%d", _reg_nr & 0x0f);
>> +         format(prnt, "sr%d", _reg_nr & 0x0f);
>>            break;
>>         case BRW_ARF_CONTROL:
>> -         format(file, "cr%d", _reg_nr & 0x0f);
>> +         format(prnt, "cr%d", _reg_nr & 0x0f);
>>            break;
>>         case BRW_ARF_NOTIFICATION_COUNT:
>> -         format(file, "n%d", _reg_nr & 0x0f);
>> +         format(prnt, "n%d", _reg_nr & 0x0f);
>>            break;
>>         case BRW_ARF_IP:
>> -         string(file, "ip");
>> +         string(prnt, "ip");
>>            return -1;
>>            break;
>>         case BRW_ARF_TDR:
>> -         format(file, "tdr0");
>> +         format(prnt, "tdr0");
>>            return -1;
>>         case BRW_ARF_TIMESTAMP:
>> -         format(file, "tm%d", _reg_nr & 0x0f);
>> +         format(prnt, "tm%d", _reg_nr & 0x0f);
>>            break;
>>         default:
>> -         format(file, "ARF%d", _reg_nr);
>> +         format(prnt, "ARF%d", _reg_nr);
>>            break;
>>         }
>>      } else {
>> -      err |= control(file, "src reg file", reg_file, _reg_file, NULL);
>> -      format(file, "%d", _reg_nr);
>> +      err |= control(prnt, "src reg file", reg_file, _reg_file, NULL);
>> +      format(prnt, "%d", _reg_nr);
>>      }
>>      return err;
>>   }
>>   
>>   static int
>> -dest(FILE *file, const struct gen_device_info *devinfo, const brw_inst *inst)
>> +dest(const struct brw_print *prnt,
>> +     const struct gen_device_info *devinfo, const brw_inst *inst)
>>   {
>>      enum brw_reg_type type = brw_inst_dst_type(devinfo, inst);
>>      unsigned elem_size = brw_reg_type_to_size(type);
>> @@ -707,46 +710,46 @@ dest(FILE *file, const struct gen_device_info *devinfo, const brw_inst *inst)
>>   
>>      if (brw_inst_access_mode(devinfo, inst) == BRW_ALIGN_1) {
>>         if (brw_inst_dst_address_mode(devinfo, inst) == BRW_ADDRESS_DIRECT) {
>> -         err |= reg(file, brw_inst_dst_reg_file(devinfo, inst),
>> +         err |= reg(prnt, brw_inst_dst_reg_file(devinfo, inst),
>>                       brw_inst_dst_da_reg_nr(devinfo, inst));
>>            if (err == -1)
>>               return 0;
>>            if (brw_inst_dst_da1_subreg_nr(devinfo, inst))
>> -            format(file, ".%"PRIu64, brw_inst_dst_da1_subreg_nr(devinfo, inst) /
>> +            format(prnt, ".%"PRIu64, brw_inst_dst_da1_subreg_nr(devinfo, inst) /
>>                      elem_size);
>> -         string(file, "<");
>> -         err |= control(file, "horiz stride", horiz_stride,
>> +         string(prnt, "<");
>> +         err |= control(prnt, "horiz stride", horiz_stride,
>>                           brw_inst_dst_hstride(devinfo, inst), NULL);
>> -         string(file, ">");
>> -         string(file, brw_reg_type_to_letters(type));
>> +         string(prnt, ">");
>> +         string(prnt, brw_reg_type_to_letters(type));
>>         } else {
>> -         string(file, "g[a0");
>> +         string(prnt, "g[a0");
>>            if (brw_inst_dst_ia_subreg_nr(devinfo, inst))
>> -            format(file, ".%"PRIu64, brw_inst_dst_ia_subreg_nr(devinfo, inst) /
>> +            format(prnt, ".%"PRIu64, brw_inst_dst_ia_subreg_nr(devinfo, inst) /
>>                      elem_size);
>>            if (brw_inst_dst_ia1_addr_imm(devinfo, inst))
>> -            format(file, " %d", brw_inst_dst_ia1_addr_imm(devinfo, inst));
>> -         string(file, "]<");
>> -         err |= control(file, "horiz stride", horiz_stride,
>> +            format(prnt, " %d", brw_inst_dst_ia1_addr_imm(devinfo, inst));
>> +         string(prnt, "]<");
>> +         err |= control(prnt, "horiz stride", horiz_stride,
>>                           brw_inst_dst_hstride(devinfo, inst), NULL);
>> -         string(file, ">");
>> -         string(file, brw_reg_type_to_letters(type));
>> +         string(prnt, ">");
>> +         string(prnt, brw_reg_type_to_letters(type));
>>         }
>>      } else {
>>         if (brw_inst_dst_address_mode(devinfo, inst) == BRW_ADDRESS_DIRECT) {
>> -         err |= reg(file, brw_inst_dst_reg_file(devinfo, inst),
>> +         err |= reg(prnt, brw_inst_dst_reg_file(devinfo, inst),
>>                       brw_inst_dst_da_reg_nr(devinfo, inst));
>>            if (err == -1)
>>               return 0;
>>            if (brw_inst_dst_da16_subreg_nr(devinfo, inst))
>> -            format(file, ".%u", 16 / elem_size);
>> -         string(file, "<1>");
>> -         err |= control(file, "writemask", writemask,
>> +            format(prnt, ".%u", 16 / elem_size);
>> +         string(prnt, "<1>");
>> +         err |= control(prnt, "writemask", writemask,
>>                           brw_inst_da16_writemask(devinfo, inst), NULL);
>> -         string(file, brw_reg_type_to_letters(type));
>> +         string(prnt, brw_reg_type_to_letters(type));
>>         } else {
>>            err = 1;
>> -         string(file, "Indirect align16 address mode not supported");
>> +         string(prnt, "Indirect align16 address mode not supported");
>>         }
>>      }
>>   
>> @@ -754,7 +757,8 @@ dest(FILE *file, const struct gen_device_info *devinfo, const brw_inst *inst)
>>   }
>>   
>>   static int
>> -dest_3src(FILE *file, const struct gen_device_info *devinfo, const brw_inst *inst)
>> +dest_3src(const struct brw_print *prnt,
>> +          const struct gen_device_info *devinfo, const brw_inst *inst)
>>   {
>>      bool is_align1 = brw_inst_3src_access_mode(devinfo, inst) == BRW_ALIGN_1;
>>      int err = 0;
>> @@ -769,7 +773,7 @@ dest_3src(FILE *file, const struct gen_device_info *devinfo, const brw_inst *ins
>>      else
>>         reg_file = BRW_GENERAL_REGISTER_FILE;
>>   
>> -   err |= reg(file, reg_file, brw_inst_3src_dst_reg_nr(devinfo, inst));
>> +   err |= reg(prnt, reg_file, brw_inst_3src_dst_reg_nr(devinfo, inst));
>>      if (err == -1)
>>         return 0;
>>   
>> @@ -783,36 +787,36 @@ dest_3src(FILE *file, const struct gen_device_info *devinfo, const brw_inst *ins
>>      subreg_nr /= brw_reg_type_to_size(type);
>>   
>>      if (subreg_nr)
>> -      format(file, ".%u", subreg_nr);
>> -   string(file, "<1>");
>> +      format(prnt, ".%u", subreg_nr);
>> +   string(prnt, "<1>");
>>   
>>      if (!is_align1) {
>> -      err |= control(file, "writemask", writemask,
>> +      err |= control(prnt, "writemask", writemask,
>>                        brw_inst_3src_a16_dst_writemask(devinfo, inst), NULL);
>>      }
>> -   string(file, brw_reg_type_to_letters(type));
>> +   string(prnt, brw_reg_type_to_letters(type));
>>   
>>      return 0;
>>   }
>>   
>>   static int
>> -src_align1_region(FILE *file,
>> +src_align1_region(const struct brw_print *prnt,
>>                     unsigned _vert_stride, unsigned _width,
>>                     unsigned _horiz_stride)
>>   {
>>      int err = 0;
>> -   string(file, "<");
>> -   err |= control(file, "vert stride", vert_stride, _vert_stride, NULL);
>> -   string(file, ",");
>> -   err |= control(file, "width", width, _width, NULL);
>> -   string(file, ",");
>> -   err |= control(file, "horiz_stride", horiz_stride, _horiz_stride, NULL);
>> -   string(file, ">");
>> +   string(prnt, "<");
>> +   err |= control(prnt, "vert stride", vert_stride, _vert_stride, NULL);
>> +   string(prnt, ",");
>> +   err |= control(prnt, "width", width, _width, NULL);
>> +   string(prnt, ",");
>> +   err |= control(prnt, "horiz_stride", horiz_stride, _horiz_stride, NULL);
>> +   string(prnt, ">");
>>      return err;
>>   }
>>   
>>   static int
>> -src_da1(FILE *file,
>> +src_da1(const struct brw_print *prnt,
>>           const struct gen_device_info *devinfo,
>>           unsigned opcode,
>>           enum brw_reg_type type, unsigned _reg_file,
>> @@ -823,26 +827,26 @@ src_da1(FILE *file,
>>      int err = 0;
>>   
>>      if (devinfo->gen >= 8 && is_logic_instruction(opcode))
>> -      err |= control(file, "bitnot", m_bitnot, _negate, NULL);
>> +      err |= control(prnt, "bitnot", m_bitnot, _negate, NULL);
>>      else
>> -      err |= control(file, "negate", m_negate, _negate, NULL);
>> +      err |= control(prnt, "negate", m_negate, _negate, NULL);
>>   
>> -   err |= control(file, "abs", _abs, __abs, NULL);
>> +   err |= control(prnt, "abs", _abs, __abs, NULL);
>>   
>> -   err |= reg(file, _reg_file, reg_num);
>> +   err |= reg(prnt, _reg_file, reg_num);
>>      if (err == -1)
>>         return 0;
>>      if (sub_reg_num) {
>>         unsigned elem_size = brw_reg_type_to_size(type);
>> -      format(file, ".%d", sub_reg_num / elem_size);   /* use formal style like spec */
>> +      format(prnt, ".%d", sub_reg_num / elem_size);   /* use formal style like spec */
>>      }
>> -   src_align1_region(file, _vert_stride, _width, _horiz_stride);
>> -   string(file, brw_reg_type_to_letters(type));
>> +   src_align1_region(prnt, _vert_stride, _width, _horiz_stride);
>> +   string(prnt, brw_reg_type_to_letters(type));
>>      return err;
>>   }
>>   
>>   static int
>> -src_ia1(FILE *file,
>> +src_ia1(const struct brw_print *prnt,
>>           const struct gen_device_info *devinfo,
>>           unsigned opcode,
>>           enum brw_reg_type type,
>> @@ -856,25 +860,25 @@ src_ia1(FILE *file,
>>      int err = 0;
>>   
>>      if (devinfo->gen >= 8 && is_logic_instruction(opcode))
>> -      err |= control(file, "bitnot", m_bitnot, _negate, NULL);
>> +      err |= control(prnt, "bitnot", m_bitnot, _negate, NULL);
>>      else
>> -      err |= control(file, "negate", m_negate, _negate, NULL);
>> +      err |= control(prnt, "negate", m_negate, _negate, NULL);
>>   
>> -   err |= control(file, "abs", _abs, __abs, NULL);
>> +   err |= control(prnt, "abs", _abs, __abs, NULL);
>>   
>> -   string(file, "g[a0");
>> +   string(prnt, "g[a0");
>>      if (_addr_subreg_nr)
>> -      format(file, ".%d", _addr_subreg_nr);
>> +      format(prnt, ".%d", _addr_subreg_nr);
>>      if (_addr_imm)
>> -      format(file, " %d", _addr_imm);
>> -   string(file, "]");
>> -   src_align1_region(file, _vert_stride, _width, _horiz_stride);
>> -   string(file, brw_reg_type_to_letters(type));
>> +      format(prnt, " %d", _addr_imm);
>> +   string(prnt, "]");
>> +   src_align1_region(prnt, _vert_stride, _width, _horiz_stride);
>> +   string(prnt, brw_reg_type_to_letters(type));
>>      return err;
>>   }
>>   
>>   static int
>> -src_swizzle(FILE *file, unsigned swiz)
>> +src_swizzle(const struct brw_print *prnt, unsigned swiz)
>>   {
>>      unsigned x = BRW_GET_SWZ(swiz, BRW_CHANNEL_X);
>>      unsigned y = BRW_GET_SWZ(swiz, BRW_CHANNEL_Y);
>> @@ -883,20 +887,20 @@ src_swizzle(FILE *file, unsigned swiz)
>>      int err = 0;
>>   
>>      if (x == y && x == z && x == w) {
>> -      string(file, ".");
>> -      err |= control(file, "channel select", chan_sel, x, NULL);
>> +      string(prnt, ".");
>> +      err |= control(prnt, "channel select", chan_sel, x, NULL);
>>      } else if (swiz != BRW_SWIZZLE_XYZW) {
>> -      string(file, ".");
>> -      err |= control(file, "channel select", chan_sel, x, NULL);
>> -      err |= control(file, "channel select", chan_sel, y, NULL);
>> -      err |= control(file, "channel select", chan_sel, z, NULL);
>> -      err |= control(file, "channel select", chan_sel, w, NULL);
>> +      string(prnt, ".");
>> +      err |= control(prnt, "channel select", chan_sel, x, NULL);
>> +      err |= control(prnt, "channel select", chan_sel, y, NULL);
>> +      err |= control(prnt, "channel select", chan_sel, z, NULL);
>> +      err |= control(prnt, "channel select", chan_sel, w, NULL);
>>      }
>>      return err;
>>   }
>>   
>>   static int
>> -src_da16(FILE *file,
>> +src_da16(const struct brw_print *prnt,
>>            const struct gen_device_info *devinfo,
>>            unsigned opcode,
>>            enum brw_reg_type type,
>> @@ -911,13 +915,13 @@ src_da16(FILE *file,
>>      int err = 0;
>>   
>>      if (devinfo->gen >= 8 && is_logic_instruction(opcode))
>> -      err |= control(file, "bitnot", m_bitnot, _negate, NULL);
>> +      err |= control(prnt, "bitnot", m_bitnot, _negate, NULL);
>>      else
>> -      err |= control(file, "negate", m_negate, _negate, NULL);
>> +      err |= control(prnt, "negate", m_negate, _negate, NULL);
>>   
>> -   err |= control(file, "abs", _abs, __abs, NULL);
>> +   err |= control(prnt, "abs", _abs, __abs, NULL);
>>   
>> -   err |= reg(file, _reg_file, _reg_nr);
>> +   err |= reg(prnt, _reg_file, _reg_nr);
>>      if (err == -1)
>>         return 0;
>>      if (_subreg_nr) {
>> @@ -925,13 +929,13 @@ src_da16(FILE *file,
>>   
>>         /* bit4 for subreg number byte addressing. Make this same meaning as
>>            in da1 case, so output looks consistent. */
>> -      format(file, ".%d", 16 / elem_size);
>> +      format(prnt, ".%d", 16 / elem_size);
>>      }
>> -   string(file, "<");
>> -   err |= control(file, "vert stride", vert_stride, _vert_stride, NULL);
>> -   string(file, ">");
>> -   err |= src_swizzle(file, BRW_SWIZZLE4(swz_x, swz_y, swz_z, swz_w));
>> -   string(file, brw_reg_type_to_letters(type));
>> +   string(prnt, "<");
>> +   err |= control(prnt, "vert stride", vert_stride, _vert_stride, NULL);
>> +   string(prnt, ">");
>> +   err |= src_swizzle(prnt, BRW_SWIZZLE4(swz_x, swz_y, swz_z, swz_w));
>> +   string(prnt, brw_reg_type_to_letters(type));
>>      return err;
>>   }
>>   
>> @@ -1016,7 +1020,8 @@ implied_width(enum brw_vertical_stride _vert_stride,
>>   }
>>   
>>   static int
>> -src0_3src(FILE *file, const struct gen_device_info *devinfo, const brw_inst *inst)
>> +src0_3src(const struct brw_print *prnt,
>> +          const struct gen_device_info *devinfo, const brw_inst *inst)
>>   {
>>      int err = 0;
>>      unsigned reg_nr, subreg_nr;
>> @@ -1041,11 +1046,11 @@ src0_3src(FILE *file, const struct gen_device_info *devinfo, const brw_inst *ins
>>            enum brw_reg_type type = brw_inst_3src_a1_src0_type(devinfo, inst);
>>   
>>            if (type == BRW_REGISTER_TYPE_W) {
>> -            format(file, "%dW", imm_val);
>> +            format(prnt, "%dW", imm_val);
>>            } else if (type == BRW_REGISTER_TYPE_UW) {
>> -            format(file, "0x%04xUW", imm_val);
>> +            format(prnt, "0x%04xUW", imm_val);
>>            } else if (type == BRW_REGISTER_TYPE_HF) {
>> -            format(file, "%-gF", _mesa_half_to_float(imm_val));
>> +            format(prnt, "%-gF", _mesa_half_to_float(imm_val));
>>            }
>>            return 0;
>>         }
>> @@ -1077,24 +1082,25 @@ src0_3src(FILE *file, const struct gen_device_info *devinfo, const brw_inst *ins
>>   
>>      subreg_nr /= brw_reg_type_to_size(type);
>>   
>> -   err |= control(file, "negate", m_negate,
>> +   err |= control(prnt, "negate", m_negate,
>>                     brw_inst_3src_src0_negate(devinfo, inst), NULL);
>> -   err |= control(file, "abs", _abs, brw_inst_3src_src0_abs(devinfo, inst), NULL);
>> +   err |= control(prnt, "abs", _abs, brw_inst_3src_src0_abs(devinfo, inst), NULL);
>>   
>> -   err |= reg(file, _file, reg_nr);
>> +   err |= reg(prnt, _file, reg_nr);
>>      if (err == -1)
>>         return 0;
>>      if (subreg_nr || is_scalar_region)
>> -      format(file, ".%d", subreg_nr);
>> -   src_align1_region(file, _vert_stride, _width, _horiz_stride);
>> +      format(prnt, ".%d", subreg_nr);
>> +   src_align1_region(prnt, _vert_stride, _width, _horiz_stride);
>>      if (!is_scalar_region && !is_align1)
>> -      err |= src_swizzle(file, brw_inst_3src_a16_src0_swizzle(devinfo, inst));
>> -   string(file, brw_reg_type_to_letters(type));
>> +      err |= src_swizzle(prnt, brw_inst_3src_a16_src0_swizzle(devinfo, inst));
>> +   string(prnt, brw_reg_type_to_letters(type));
>>      return err;
>>   }
>>   
>>   static int
>> -src1_3src(FILE *file, const struct gen_device_info *devinfo, const brw_inst *inst)
>> +src1_3src(const struct brw_print *prnt,
>> +          const struct gen_device_info *devinfo, const brw_inst *inst)
>>   {
>>      int err = 0;
>>      unsigned reg_nr, subreg_nr;
>> @@ -1145,24 +1151,25 @@ src1_3src(FILE *file, const struct gen_device_info *devinfo, const brw_inst *ins
>>   
>>      subreg_nr /= brw_reg_type_to_size(type);
>>   
>> -   err |= control(file, "negate", m_negate,
>> +   err |= control(prnt, "negate", m_negate,
>>                     brw_inst_3src_src1_negate(devinfo, inst), NULL);
>> -   err |= control(file, "abs", _abs, brw_inst_3src_src1_abs(devinfo, inst), NULL);
>> +   err |= control(prnt, "abs", _abs, brw_inst_3src_src1_abs(devinfo, inst), NULL);
>>   
>> -   err |= reg(file, _file, reg_nr);
>> +   err |= reg(prnt, _file, reg_nr);
>>      if (err == -1)
>>         return 0;
>>      if (subreg_nr || is_scalar_region)
>> -      format(file, ".%d", subreg_nr);
>> -   src_align1_region(file, _vert_stride, _width, _horiz_stride);
>> +      format(prnt, ".%d", subreg_nr);
>> +   src_align1_region(prnt, _vert_stride, _width, _horiz_stride);
>>      if (!is_scalar_region && !is_align1)
>> -      err |= src_swizzle(file, brw_inst_3src_a16_src1_swizzle(devinfo, inst));
>> -   string(file, brw_reg_type_to_letters(type));
>> +      err |= src_swizzle(prnt, brw_inst_3src_a16_src1_swizzle(devinfo, inst));
>> +   string(prnt, brw_reg_type_to_letters(type));
>>      return err;
>>   }
>>   
>>   static int
>> -src2_3src(FILE *file, const struct gen_device_info *devinfo, const brw_inst *inst)
>> +src2_3src(const struct brw_print *prnt,
>> +          const struct gen_device_info *devinfo, const brw_inst *inst)
>>   {
>>      int err = 0;
>>      unsigned reg_nr, subreg_nr;
>> @@ -1187,11 +1194,11 @@ src2_3src(FILE *file, const struct gen_device_info *devinfo, const brw_inst *ins
>>            enum brw_reg_type type = brw_inst_3src_a1_src2_type(devinfo, inst);
>>   
>>            if (type == BRW_REGISTER_TYPE_W) {
>> -            format(file, "%dW", imm_val);
>> +            format(prnt, "%dW", imm_val);
>>            } else if (type == BRW_REGISTER_TYPE_UW) {
>> -            format(file, "0x%04xUW", imm_val);
>> +            format(prnt, "0x%04xUW", imm_val);
>>            } else if (type == BRW_REGISTER_TYPE_HF) {
>> -            format(file, "%-gF", _mesa_half_to_float(imm_val));
>> +            format(prnt, "%-gF", _mesa_half_to_float(imm_val));
>>            }
>>            return 0;
>>         }
>> @@ -1227,82 +1234,84 @@ src2_3src(FILE *file, const struct gen_device_info *devinfo, const brw_inst *ins
>>   
>>      subreg_nr /= brw_reg_type_to_size(type);
>>   
>> -   err |= control(file, "negate", m_negate,
>> +   err |= control(prnt, "negate", m_negate,
>>                     brw_inst_3src_src2_negate(devinfo, inst), NULL);
>> -   err |= control(file, "abs", _abs, brw_inst_3src_src2_abs(devinfo, inst), NULL);
>> +   err |= control(prnt, "abs", _abs, brw_inst_3src_src2_abs(devinfo, inst), NULL);
>>   
>> -   err |= reg(file, _file, reg_nr);
>> +   err |= reg(prnt, _file, reg_nr);
>>      if (err == -1)
>>         return 0;
>>      if (subreg_nr || is_scalar_region)
>> -      format(file, ".%d", subreg_nr);
>> -   src_align1_region(file, _vert_stride, _width, _horiz_stride);
>> +      format(prnt, ".%d", subreg_nr);
>> +   src_align1_region(prnt, _vert_stride, _width, _horiz_stride);
>>      if (!is_scalar_region && !is_align1)
>> -      err |= src_swizzle(file, brw_inst_3src_a16_src2_swizzle(devinfo, inst));
>> -   string(file, brw_reg_type_to_letters(type));
>> +      err |= src_swizzle(prnt, brw_inst_3src_a16_src2_swizzle(devinfo, inst));
>> +   string(prnt, brw_reg_type_to_letters(type));
>>      return err;
>>   }
>>   
>>   static int
>> -imm(FILE *file, const struct gen_device_info *devinfo, enum brw_reg_type type,
>> +imm(const struct brw_print *prnt,
>> +    const struct gen_device_info *devinfo, enum brw_reg_type type,
>>       const brw_inst *inst)
>>   {
>>      switch (type) {
>>      case BRW_REGISTER_TYPE_UQ:
>> -      format(file, "0x%016lxUQ", brw_inst_imm_uq(devinfo, inst));
>> +      format(prnt, "0x%016lxUQ", brw_inst_imm_uq(devinfo, inst));
>>         break;
>>      case BRW_REGISTER_TYPE_Q:
>> -      format(file, "%ldQ", brw_inst_imm_uq(devinfo, inst));
>> +      format(prnt, "%ldQ", brw_inst_imm_uq(devinfo, inst));
>>         break;
>>      case BRW_REGISTER_TYPE_UD:
>> -      format(file, "0x%08xUD", brw_inst_imm_ud(devinfo, inst));
>> +      format(prnt, "0x%08xUD", brw_inst_imm_ud(devinfo, inst));
>>         break;
>>      case BRW_REGISTER_TYPE_D:
>> -      format(file, "%dD", brw_inst_imm_d(devinfo, inst));
>> +      format(prnt, "%dD", brw_inst_imm_d(devinfo, inst));
>>         break;
>>      case BRW_REGISTER_TYPE_UW:
>> -      format(file, "0x%04xUW", (uint16_t) brw_inst_imm_ud(devinfo, inst));
>> +      format(prnt, "0x%04xUW", (uint16_t) brw_inst_imm_ud(devinfo, inst));
>>         break;
>>      case BRW_REGISTER_TYPE_W:
>> -      format(file, "%dW", (int16_t) brw_inst_imm_d(devinfo, inst));
>> +      format(prnt, "%dW", (int16_t) brw_inst_imm_d(devinfo, inst));
>>         break;
>>      case BRW_REGISTER_TYPE_UV:
>> -      format(file, "0x%08xUV", brw_inst_imm_ud(devinfo, inst));
>> +      format(prnt, "0x%08xUV", brw_inst_imm_ud(devinfo, inst));
>>         break;
>>      case BRW_REGISTER_TYPE_VF:
>> -      format(file, "[%-gF, %-gF, %-gF, %-gF]VF",
>> +      format(prnt, "[%-gF, %-gF, %-gF, %-gF]VF",
>>                brw_vf_to_float(brw_inst_imm_ud(devinfo, inst)),
>>                brw_vf_to_float(brw_inst_imm_ud(devinfo, inst) >> 8),
>>                brw_vf_to_float(brw_inst_imm_ud(devinfo, inst) >> 16),
>>                brw_vf_to_float(brw_inst_imm_ud(devinfo, inst) >> 24));
>>         break;
>>      case BRW_REGISTER_TYPE_V:
>> -      format(file, "0x%08xV", brw_inst_imm_ud(devinfo, inst));
>> +      format(prnt, "0x%08xV", brw_inst_imm_ud(devinfo, inst));
>>         break;
>>      case BRW_REGISTER_TYPE_F:
>> -      format(file, "%-gF", brw_inst_imm_f(devinfo, inst));
>> +      format(prnt, "%-gF", brw_inst_imm_f(devinfo, inst));
>>         break;
>>      case BRW_REGISTER_TYPE_DF:
>> -      format(file, "%-gDF", brw_inst_imm_df(devinfo, inst));
>> +      format(prnt, "%-gDF", brw_inst_imm_df(devinfo, inst));
>>         break;
>>      case BRW_REGISTER_TYPE_HF:
>> -      string(file, "Half Float IMM");
>> +      string(prnt, "Half Float IMM");
>>         break;
>>      case BRW_REGISTER_TYPE_UB:
>>      case BRW_REGISTER_TYPE_B:
>> -      format(file, "*** invalid immediate type %d ", type);
>> +      format(prnt, "*** invalid immediate type %d ", type);
>>      }
>>      return 0;
>>   }
>>   
>>   static int
>> -src0(FILE *file, const struct gen_device_info *devinfo, const brw_inst *inst)
>> +src0(const struct brw_print *prnt,
>> +     const struct gen_device_info *devinfo, const brw_inst *inst)
>>   {
>>      if (brw_inst_src0_reg_file(devinfo, inst) == BRW_IMMEDIATE_VALUE) {
>> -      return imm(file, devinfo, brw_inst_src0_type(devinfo, inst), inst);
>> +      return imm(prnt, devinfo, brw_inst_src0_type(devinfo, inst), inst);
>>      } else if (brw_inst_access_mode(devinfo, inst) == BRW_ALIGN_1) {
>>         if (brw_inst_src0_address_mode(devinfo, inst) == BRW_ADDRESS_DIRECT) {
>> -         return src_da1(file,
>> +         return src_da1(prnt,
>>                           devinfo,
>>                           brw_inst_opcode(devinfo, inst),
>>                           brw_inst_src0_type(devinfo, inst),
>> @@ -1315,7 +1324,7 @@ src0(FILE *file, const struct gen_device_info *devinfo, const brw_inst *inst)
>>                           brw_inst_src0_abs(devinfo, inst),
>>                           brw_inst_src0_negate(devinfo, inst));
>>         } else {
>> -         return src_ia1(file,
>> +         return src_ia1(prnt,
>>                           devinfo,
>>                           brw_inst_opcode(devinfo, inst),
>>                           brw_inst_src0_type(devinfo, inst),
>> @@ -1330,7 +1339,7 @@ src0(FILE *file, const struct gen_device_info *devinfo, const brw_inst *inst)
>>         }
>>      } else {
>>         if (brw_inst_src0_address_mode(devinfo, inst) == BRW_ADDRESS_DIRECT) {
>> -         return src_da16(file,
>> +         return src_da16(prnt,
>>                            devinfo,
>>                            brw_inst_opcode(devinfo, inst),
>>                            brw_inst_src0_type(devinfo, inst),
>> @@ -1345,20 +1354,21 @@ src0(FILE *file, const struct gen_device_info *devinfo, const brw_inst *inst)
>>                            brw_inst_src0_da16_swiz_z(devinfo, inst),
>>                            brw_inst_src0_da16_swiz_w(devinfo, inst));
>>         } else {
>> -         string(file, "Indirect align16 address mode not supported");
>> +         string(prnt, "Indirect align16 address mode not supported");
>>            return 1;
>>         }
>>      }
>>   }
>>   
>>   static int
>> -src1(FILE *file, const struct gen_device_info *devinfo, const brw_inst *inst)
>> +src1(const struct brw_print *prnt,
>> +     const struct gen_device_info *devinfo, const brw_inst *inst)
>>   {
>>      if (brw_inst_src1_reg_file(devinfo, inst) == BRW_IMMEDIATE_VALUE) {
>> -      return imm(file, devinfo, brw_inst_src1_type(devinfo, inst), inst);
>> +      return imm(prnt, devinfo, brw_inst_src1_type(devinfo, inst), inst);
>>      } else if (brw_inst_access_mode(devinfo, inst) == BRW_ALIGN_1) {
>>         if (brw_inst_src1_address_mode(devinfo, inst) == BRW_ADDRESS_DIRECT) {
>> -         return src_da1(file,
>> +         return src_da1(prnt,
>>                           devinfo,
>>                           brw_inst_opcode(devinfo, inst),
>>                           brw_inst_src1_type(devinfo, inst),
>> @@ -1371,7 +1381,7 @@ src1(FILE *file, const struct gen_device_info *devinfo, const brw_inst *inst)
>>                           brw_inst_src1_abs(devinfo, inst),
>>                           brw_inst_src1_negate(devinfo, inst));
>>         } else {
>> -         return src_ia1(file,
>> +         return src_ia1(prnt,
>>                           devinfo,
>>                           brw_inst_opcode(devinfo, inst),
>>                           brw_inst_src1_type(devinfo, inst),
>> @@ -1386,7 +1396,7 @@ src1(FILE *file, const struct gen_device_info *devinfo, const brw_inst *inst)
>>         }
>>      } else {
>>         if (brw_inst_src1_address_mode(devinfo, inst) == BRW_ADDRESS_DIRECT) {
>> -         return src_da16(file,
>> +         return src_da16(prnt,
>>                            devinfo,
>>                            brw_inst_opcode(devinfo, inst),
>>                            brw_inst_src1_type(devinfo, inst),
>> @@ -1401,14 +1411,15 @@ src1(FILE *file, const struct gen_device_info *devinfo, const brw_inst *inst)
>>                            brw_inst_src1_da16_swiz_z(devinfo, inst),
>>                            brw_inst_src1_da16_swiz_w(devinfo, inst));
>>         } else {
>> -         string(file, "Indirect align16 address mode not supported");
>> +         string(prnt, "Indirect align16 address mode not supported");
>>            return 1;
>>         }
>>      }
>>   }
>>   
>>   static int
>> -qtr_ctrl(FILE *file, const struct gen_device_info *devinfo, const brw_inst *inst)
>> +qtr_ctrl(const struct brw_print *prnt,
>> +         const struct gen_device_info *devinfo, const brw_inst *inst)
>>   {
>>      int qtr_ctl = brw_inst_qtr_control(devinfo, inst);
>>      int exec_size = 1 << brw_inst_exec_size(devinfo, inst);
>> @@ -1416,27 +1427,27 @@ qtr_ctrl(FILE *file, const struct gen_device_info *devinfo, const brw_inst *inst
>>                               brw_inst_nib_control(devinfo, inst);
>>   
>>      if (exec_size < 8 || nib_ctl) {
>> -      format(file, " %dN", qtr_ctl * 2 + nib_ctl + 1);
>> +      format(prnt, " %dN", qtr_ctl * 2 + nib_ctl + 1);
>>      } else if (exec_size == 8) {
>>         switch (qtr_ctl) {
>>         case 0:
>> -         string(file, " 1Q");
>> +         string(prnt, " 1Q");
>>            break;
>>         case 1:
>> -         string(file, " 2Q");
>> +         string(prnt, " 2Q");
>>            break;
>>         case 2:
>> -         string(file, " 3Q");
>> +         string(prnt, " 3Q");
>>            break;
>>         case 3:
>> -         string(file, " 4Q");
>> +         string(prnt, " 4Q");
>>            break;
>>         }
>>      } else if (exec_size == 16) {
>>         if (qtr_ctl < 2)
>> -         string(file, " 1H");
>> +         string(prnt, " 1H");
>>         else
>> -         string(file, " 2H");
>> +         string(prnt, " 2H");
>>      }
>>      return 0;
>>   }
>> @@ -1449,12 +1460,18 @@ brw_disassemble_imm(const struct gen_device_info *devinfo,
>>      brw_inst inst;
>>      inst.data[0] = (((uint64_t) dw1) << 32) | ((uint64_t) dw0);
>>      inst.data[1] = (((uint64_t) dw3) << 32) | ((uint64_t) dw2);
>> -   return brw_disassemble_inst(stderr, devinfo, &inst, false);
>> +   struct brw_print prnt = {
>> +      .handle = stderr,
>> +      .string = (brw_print_cb) fputs,
>> +   };
>> +
>> +   return brw_disassemble_inst(&prnt, devinfo, &inst, false);
>>   }
>>   #endif
>>   
>>   int
>> -brw_disassemble_inst(FILE *file, const struct gen_device_info *devinfo,
>> +brw_disassemble_inst(const struct brw_print *prnt,
>> +                     const struct gen_device_info *devinfo,
>>                        const brw_inst *inst, bool is_compacted)
>>   {
>>      int err = 0;
>> @@ -1464,35 +1481,35 @@ brw_disassemble_inst(FILE *file, const struct gen_device_info *devinfo,
>>      const struct opcode_desc *desc = brw_opcode_desc(devinfo, opcode);
>>   
>>      if (brw_inst_pred_control(devinfo, inst)) {
>> -      string(file, "(");
>> -      err |= control(file, "predicate inverse", pred_inv,
>> +      string(prnt, "(");
>> +      err |= control(prnt, "predicate inverse", pred_inv,
>>                        brw_inst_pred_inv(devinfo, inst), NULL);
>> -      format(file, "f%"PRIu64, devinfo->gen >= 7 ? brw_inst_flag_reg_nr(devinfo, inst) : 0);
>> +      format(prnt, "f%"PRIu64, devinfo->gen >= 7 ? brw_inst_flag_reg_nr(devinfo, inst) : 0);
>>         if (brw_inst_flag_subreg_nr(devinfo, inst))
>> -         format(file, ".%"PRIu64, brw_inst_flag_subreg_nr(devinfo, inst));
>> +         format(prnt, ".%"PRIu64, brw_inst_flag_subreg_nr(devinfo, inst));
>>         if (brw_inst_access_mode(devinfo, inst) == BRW_ALIGN_1) {
>> -         err |= control(file, "predicate control align1", pred_ctrl_align1,
>> +         err |= control(prnt, "predicate control align1", pred_ctrl_align1,
>>                           brw_inst_pred_control(devinfo, inst), NULL);
>>         } else {
>> -         err |= control(file, "predicate control align16", pred_ctrl_align16,
>> +         err |= control(prnt, "predicate control align16", pred_ctrl_align16,
>>                           brw_inst_pred_control(devinfo, inst), NULL);
>>         }
>> -      string(file, ") ");
>> +      string(prnt, ") ");
>>      }
>>   
>> -   err |= print_opcode(file, devinfo, opcode);
>> -   err |= control(file, "saturate", saturate, brw_inst_saturate(devinfo, inst),
>> +   err |= print_opcode(prnt, devinfo, opcode);
>> +   err |= control(prnt, "saturate", saturate, brw_inst_saturate(devinfo, inst),
>>                     NULL);
>>   
>> -   err |= control(file, "debug control", debug_ctrl,
>> +   err |= control(prnt, "debug control", debug_ctrl,
>>                     brw_inst_debug_control(devinfo, inst), NULL);
>>   
>>      if (opcode == BRW_OPCODE_MATH) {
>> -      string(file, " ");
>> -      err |= control(file, "function", math_function,
>> +      string(prnt, " ");
>> +      err |= control(prnt, "function", math_function,
>>                        brw_inst_math_function(devinfo, inst), NULL);
>>      } else if (opcode != BRW_OPCODE_SEND && opcode != BRW_OPCODE_SENDC) {
>> -      err |= control(file, "conditional modifier", conditional_modifier,
>> +      err |= control(prnt, "conditional modifier", conditional_modifier,
>>                        brw_inst_cond_modifier(devinfo, inst), NULL);
>>   
>>         /* If we're using the conditional modifier, print which flags reg is
>> @@ -1503,80 +1520,80 @@ brw_disassemble_inst(FILE *file, const struct gen_device_info *devinfo,
>>             (devinfo->gen < 6 || (opcode != BRW_OPCODE_SEL &&
>>                                   opcode != BRW_OPCODE_IF &&
>>                                   opcode != BRW_OPCODE_WHILE))) {
>> -         format(file, ".f%"PRIu64,
>> +         format(prnt, ".f%"PRIu64,
>>                   devinfo->gen >= 7 ? brw_inst_flag_reg_nr(devinfo, inst) : 0);
>>            if (brw_inst_flag_subreg_nr(devinfo, inst))
>> -            format(file, ".%"PRIu64, brw_inst_flag_subreg_nr(devinfo, inst));
>> +            format(prnt, ".%"PRIu64, brw_inst_flag_subreg_nr(devinfo, inst));
>>         }
>>      }
>>   
>>      if (opcode != BRW_OPCODE_NOP && opcode != BRW_OPCODE_NENOP) {
>> -      string(file, "(");
>> -      err |= control(file, "execution size", exec_size,
>> +      string(prnt, "(");
>> +      err |= control(prnt, "execution size", exec_size,
>>                        brw_inst_exec_size(devinfo, inst), NULL);
>> -      string(file, ")");
>> +      string(prnt, ")");
>>      }
>>   
>>      if (opcode == BRW_OPCODE_SEND && devinfo->gen < 6)
>> -      format(file, " %"PRIu64, brw_inst_base_mrf(devinfo, inst));
>> +      format(prnt, " %"PRIu64, brw_inst_base_mrf(devinfo, inst));
>>   
>>      if (has_uip(devinfo, opcode)) {
>>         /* Instructions that have UIP also have JIP. */
>> -      pad(file, 16);
>> -      format(file, "JIP: %d", brw_inst_jip(devinfo, inst));
>> -      pad(file, 32);
>> -      format(file, "UIP: %d", brw_inst_uip(devinfo, inst));
>> +      pad(prnt, 16);
>> +      format(prnt, "JIP: %d", brw_inst_jip(devinfo, inst));
>> +      pad(prnt, 32);
>> +      format(prnt, "UIP: %d", brw_inst_uip(devinfo, inst));
>>      } else if (has_jip(devinfo, opcode)) {
>> -      pad(file, 16);
>> +      pad(prnt, 16);
>>         if (devinfo->gen >= 7) {
>> -         format(file, "JIP: %d", brw_inst_jip(devinfo, inst));
>> +         format(prnt, "JIP: %d", brw_inst_jip(devinfo, inst));
>>         } else {
>> -         format(file, "JIP: %d", brw_inst_gen6_jump_count(devinfo, inst));
>> +         format(prnt, "JIP: %d", brw_inst_gen6_jump_count(devinfo, inst));
>>         }
>>      } else if (devinfo->gen < 6 && (opcode == BRW_OPCODE_BREAK ||
>>                                      opcode == BRW_OPCODE_CONTINUE ||
>>                                      opcode == BRW_OPCODE_ELSE)) {
>> -      pad(file, 16);
>> -      format(file, "Jump: %d", brw_inst_gen4_jump_count(devinfo, inst));
>> -      pad(file, 32);
>> -      format(file, "Pop: %"PRIu64, brw_inst_gen4_pop_count(devinfo, inst));
>> +      pad(prnt, 16);
>> +      format(prnt, "Jump: %d", brw_inst_gen4_jump_count(devinfo, inst));
>> +      pad(prnt, 32);
>> +      format(prnt, "Pop: %"PRIu64, brw_inst_gen4_pop_count(devinfo, inst));
>>      } else if (devinfo->gen < 6 && (opcode == BRW_OPCODE_IF ||
>>                                      opcode == BRW_OPCODE_IFF ||
>>                                      opcode == BRW_OPCODE_HALT)) {
>> -      pad(file, 16);
>> -      format(file, "Jump: %d", brw_inst_gen4_jump_count(devinfo, inst));
>> +      pad(prnt, 16);
>> +      format(prnt, "Jump: %d", brw_inst_gen4_jump_count(devinfo, inst));
>>      } else if (devinfo->gen < 6 && opcode == BRW_OPCODE_ENDIF) {
>> -      pad(file, 16);
>> -      format(file, "Pop: %"PRIu64, brw_inst_gen4_pop_count(devinfo, inst));
>> +      pad(prnt, 16);
>> +      format(prnt, "Pop: %"PRIu64, brw_inst_gen4_pop_count(devinfo, inst));
>>      } else if (opcode == BRW_OPCODE_JMPI) {
>> -      pad(file, 16);
>> -      err |= src1(file, devinfo, inst);
>> +      pad(prnt, 16);
>> +      err |= src1(prnt, devinfo, inst);
>>      } else if (desc && desc->nsrc == 3) {
>> -      pad(file, 16);
>> -      err |= dest_3src(file, devinfo, inst);
>> +      pad(prnt, 16);
>> +      err |= dest_3src(prnt, devinfo, inst);
>>   
>> -      pad(file, 32);
>> -      err |= src0_3src(file, devinfo, inst);
>> +      pad(prnt, 32);
>> +      err |= src0_3src(prnt, devinfo, inst);
>>   
>> -      pad(file, 48);
>> -      err |= src1_3src(file, devinfo, inst);
>> +      pad(prnt, 48);
>> +      err |= src1_3src(prnt, devinfo, inst);
>>   
>> -      pad(file, 64);
>> -      err |= src2_3src(file, devinfo, inst);
>> +      pad(prnt, 64);
>> +      err |= src2_3src(prnt, devinfo, inst);
>>      } else if (desc) {
>>         if (desc->ndst > 0) {
>> -         pad(file, 16);
>> -         err |= dest(file, devinfo, inst);
>> +         pad(prnt, 16);
>> +         err |= dest(prnt, devinfo, inst);
>>         }
>>   
>>         if (desc->nsrc > 0) {
>> -         pad(file, 32);
>> -         err |= src0(file, devinfo, inst);
>> +         pad(prnt, 32);
>> +         err |= src0(prnt, devinfo, inst);
>>         }
>>   
>>         if (desc->nsrc > 1) {
>> -         pad(file, 48);
>> -         err |= src1(file, devinfo, inst);
>> +         pad(prnt, 48);
>> +         err |= src1(prnt, devinfo, inst);
>>         }
>>      }
>>   
>> @@ -1585,78 +1602,78 @@ brw_disassemble_inst(FILE *file, const struct gen_device_info *devinfo,
>>   
>>         if (brw_inst_src1_reg_file(devinfo, inst) != BRW_IMMEDIATE_VALUE) {
>>            /* show the indirect descriptor source */
>> -         pad(file, 48);
>> -         err |= src1(file, devinfo, inst);
>> +         pad(prnt, 48);
>> +         err |= src1(prnt, devinfo, inst);
>>         }
>>   
>> -      newline(file);
>> -      pad(file, 16);
>> +      newline(prnt);
>> +      pad(prnt, 16);
>>         space = 0;
>>   
>> -      fprintf(file, "            ");
>> -      err |= control(file, "SFID", devinfo->gen >= 6 ? gen6_sfid : gen4_sfid,
>> +      format(prnt, "            ");
>> +      err |= control(prnt, "SFID", devinfo->gen >= 6 ? gen6_sfid : gen4_sfid,
>>                        sfid, &space);
>>   
>>   
>>         if (brw_inst_src1_reg_file(devinfo, inst) != BRW_IMMEDIATE_VALUE) {
>> -         format(file, " indirect");
>> +         format(prnt, " indirect");
>>         } else {
>>            switch (sfid) {
>>            case BRW_SFID_MATH:
>> -            err |= control(file, "math function", math_function,
>> +            err |= control(prnt, "math function", math_function,
>>                              brw_inst_math_msg_function(devinfo, inst), &space);
>> -            err |= control(file, "math saturate", math_saturate,
>> +            err |= control(prnt, "math saturate", math_saturate,
>>                              brw_inst_math_msg_saturate(devinfo, inst), &space);
>> -            err |= control(file, "math signed", math_signed,
>> +            err |= control(prnt, "math signed", math_signed,
>>                              brw_inst_math_msg_signed_int(devinfo, inst), &space);
>> -            err |= control(file, "math scalar", math_scalar,
>> +            err |= control(prnt, "math scalar", math_scalar,
>>                              brw_inst_math_msg_data_type(devinfo, inst), &space);
>> -            err |= control(file, "math precision", math_precision,
>> +            err |= control(prnt, "math precision", math_precision,
>>                              brw_inst_math_msg_precision(devinfo, inst), &space);
>>               break;
>>            case BRW_SFID_SAMPLER:
>>               if (devinfo->gen >= 5) {
>> -               err |= control(file, "sampler message", gen5_sampler_msg_type,
>> +               err |= control(prnt, "sampler message", gen5_sampler_msg_type,
>>                                 brw_inst_sampler_msg_type(devinfo, inst), &space);
>> -               err |= control(file, "sampler simd mode", gen5_sampler_simd_mode,
>> +               err |= control(prnt, "sampler simd mode", gen5_sampler_simd_mode,
>>                                 brw_inst_sampler_simd_mode(devinfo, inst), &space);
>> -               format(file, " Surface = %"PRIu64" Sampler = %"PRIu64,
>> +               format(prnt, " Surface = %"PRIu64" Sampler = %"PRIu64,
>>                         brw_inst_binding_table_index(devinfo, inst),
>>                         brw_inst_sampler(devinfo, inst));
>>               } else {
>> -               format(file, " (%"PRIu64", %"PRIu64", %"PRIu64", ",
>> +               format(prnt, " (%"PRIu64", %"PRIu64", %"PRIu64", ",
>>                         brw_inst_binding_table_index(devinfo, inst),
>>                         brw_inst_sampler(devinfo, inst),
>>                         brw_inst_sampler_msg_type(devinfo, inst));
>>                  if (!devinfo->is_g4x) {
>> -                  err |= control(file, "sampler target format",
>> +                  err |= control(prnt, "sampler target format",
>>                                    sampler_target_format,
>>                                    brw_inst_sampler_return_format(devinfo, inst), NULL);
>>                  }
>> -               string(file, ")");
>> +               string(prnt, ")");
>>               }
>>               break;
>>            case GEN6_SFID_DATAPORT_SAMPLER_CACHE:
>>            case GEN6_SFID_DATAPORT_CONSTANT_CACHE:
>>               /* aka BRW_SFID_DATAPORT_READ on Gen4-5 */
>>               if (devinfo->gen >= 6) {
>> -               format(file, " (%"PRIu64", %"PRIu64", %"PRIu64", %"PRIu64")",
>> +               format(prnt, " (%"PRIu64", %"PRIu64", %"PRIu64", %"PRIu64")",
>>                         brw_inst_binding_table_index(devinfo, inst),
>>                         brw_inst_dp_msg_control(devinfo, inst),
>>                         brw_inst_dp_msg_type(devinfo, inst),
>>                         devinfo->gen >= 7 ? 0 : brw_inst_dp_write_commit(devinfo, inst));
>>               } else {
>>                  bool is_965 = devinfo->gen == 4 && !devinfo->is_g4x;
>> -               err |= control(file, "DP read message type",
>> +               err |= control(prnt, "DP read message type",
>>                                 is_965 ? gen4_dp_read_port_msg_type :
>>                                          g45_dp_read_port_msg_type,
>>                                 brw_inst_dp_read_msg_type(devinfo, inst),
>>                                 &space);
>>   
>> -               format(file, " MsgCtrl = 0x%"PRIx64,
>> +               format(prnt, " MsgCtrl = 0x%"PRIx64,
>>                         brw_inst_dp_read_msg_control(devinfo, inst));
>>   
>> -               format(file, " Surface = %"PRIu64, brw_inst_binding_table_index(devinfo, inst));
>> +               format(prnt, " Surface = %"PRIu64, brw_inst_binding_table_index(devinfo, inst));
>>               }
>>               break;
>>   
>> @@ -1664,7 +1681,7 @@ brw_disassemble_inst(FILE *file, const struct gen_device_info *devinfo,
>>               /* aka BRW_SFID_DATAPORT_WRITE on Gen4-5 */
>>               unsigned msg_type = brw_inst_dp_write_msg_type(devinfo, inst);
>>   
>> -            err |= control(file, "DP rc message type",
>> +            err |= control(prnt, "DP rc message type",
>>                              dp_rc_msg_type(devinfo), msg_type, &space);
>>   
>>               bool is_rt_write = msg_type ==
>> @@ -1672,58 +1689,58 @@ brw_disassemble_inst(FILE *file, const struct gen_device_info *devinfo,
>>                                     : BRW_DATAPORT_WRITE_MESSAGE_RENDER_TARGET_WRITE);
>>   
>>               if (is_rt_write) {
>> -               err |= control(file, "RT message type", m_rt_write_subtype,
>> +               err |= control(prnt, "RT message type", m_rt_write_subtype,
>>                                 brw_inst_rt_message_type(devinfo, inst), &space);
>>                  if (devinfo->gen >= 6 && brw_inst_rt_slot_group(devinfo, inst))
>> -                  string(file, " Hi");
>> +                  string(prnt, " Hi");
>>                  if (brw_inst_rt_last(devinfo, inst))
>> -                  string(file, " LastRT");
>> +                  string(prnt, " LastRT");
>>                  if (devinfo->gen < 7 && brw_inst_dp_write_commit(devinfo, inst))
>> -                  string(file, " WriteCommit");
>> +                  string(prnt, " WriteCommit");
>>               } else {
>> -               format(file, " MsgCtrl = 0x%"PRIx64,
>> +               format(prnt, " MsgCtrl = 0x%"PRIx64,
>>                         brw_inst_dp_write_msg_control(devinfo, inst));
>>               }
>>   
>> -            format(file, " Surface = %"PRIu64, brw_inst_binding_table_index(devinfo, inst));
>> +            format(prnt, " Surface = %"PRIu64, brw_inst_binding_table_index(devinfo, inst));
>>               break;
>>            }
>>   
>>            case BRW_SFID_URB: {
>>               unsigned opcode = brw_inst_urb_opcode(devinfo, inst);
>>   
>> -            format(file, " %"PRIu64, brw_inst_urb_global_offset(devinfo, inst));
>> +            format(prnt, " %"PRIu64, brw_inst_urb_global_offset(devinfo, inst));
>>   
>>               space = 1;
>>   
>> -            err |= control(file, "urb opcode",
>> +            err |= control(prnt, "urb opcode",
>>                              devinfo->gen >= 7 ? gen7_urb_opcode
>>                                                : gen5_urb_opcode,
>>                              opcode, &space);
>>   
>>               if (devinfo->gen >= 7 &&
>>                   brw_inst_urb_per_slot_offset(devinfo, inst)) {
>> -               string(file, " per-slot");
>> +               string(prnt, " per-slot");
>>               }
>>   
>>               if (opcode == GEN8_URB_OPCODE_SIMD8_WRITE ||
>>                   opcode == GEN8_URB_OPCODE_SIMD8_READ) {
>>                  if (brw_inst_urb_channel_mask_present(devinfo, inst))
>> -                  string(file, " masked");
>> +                  string(prnt, " masked");
>>               } else {
>> -               err |= control(file, "urb swizzle", urb_swizzle,
>> +               err |= control(prnt, "urb swizzle", urb_swizzle,
>>                                 brw_inst_urb_swizzle_control(devinfo, inst),
>>                                 &space);
>>               }
>>   
>>               if (devinfo->gen < 7) {
>> -               err |= control(file, "urb allocate", urb_allocate,
>> +               err |= control(prnt, "urb allocate", urb_allocate,
>>                                 brw_inst_urb_allocate(devinfo, inst), &space);
>> -               err |= control(file, "urb used", urb_used,
>> +               err |= control(prnt, "urb used", urb_used,
>>                                 brw_inst_urb_used(devinfo, inst), &space);
>>               }
>>               if (devinfo->gen < 8) {
>> -               err |= control(file, "urb complete", urb_complete,
>> +               err |= control(prnt, "urb complete", urb_complete,
>>                                 brw_inst_urb_complete(devinfo, inst), &space);
>>               }
>>               break;
>> @@ -1732,70 +1749,70 @@ brw_disassemble_inst(FILE *file, const struct gen_device_info *devinfo,
>>               break;
>>   
>>            case BRW_SFID_MESSAGE_GATEWAY:
>> -            format(file, " (%s)",
>> +            format(prnt, " (%s)",
>>                      gen7_gateway_subfuncid[brw_inst_gateway_subfuncid(devinfo, inst)]);
>>               break;
>>   
>>            case GEN7_SFID_DATAPORT_DATA_CACHE:
>>               if (devinfo->gen >= 7) {
>> -               format(file, " (");
>> +               format(prnt, " (");
>>   
>> -               err |= control(file, "DP DC0 message type",
>> +               err |= control(prnt, "DP DC0 message type",
>>                                 dp_dc0_msg_type_gen7,
>>                                 brw_inst_dp_msg_type(devinfo, inst), &space);
>>   
>> -               format(file, ", %"PRIu64", ", brw_inst_binding_table_index(devinfo, inst));
>> +               format(prnt, ", %"PRIu64", ", brw_inst_binding_table_index(devinfo, inst));
>>   
>>                  switch (brw_inst_dp_msg_type(devinfo, inst)) {
>>                  case GEN7_DATAPORT_DC_UNTYPED_ATOMIC_OP:
>> -                  control(file, "atomic op", aop,
>> +                  control(prnt, "atomic op", aop,
>>                             brw_inst_imm_ud(devinfo, inst) >> 8 & 0xf, &space);
>>                     break;
>>                  default:
>> -                  format(file, "%"PRIu64, brw_inst_dp_msg_control(devinfo, inst));
>> +                  format(prnt, "%"PRIu64, brw_inst_dp_msg_control(devinfo, inst));
>>                  }
>> -               format(file, ")");
>> +               format(prnt, ")");
>>                  break;
>>               }
>>               /* FALLTHROUGH */
>>   
>>            case HSW_SFID_DATAPORT_DATA_CACHE_1: {
>>               if (devinfo->gen >= 7) {
>> -               format(file, " (");
>> +               format(prnt, " (");
>>   
>>                  unsigned msg_ctrl = brw_inst_dp_msg_control(devinfo, inst);
>>   
>> -               err |= control(file, "DP DC1 message type",
>> +               err |= control(prnt, "DP DC1 message type",
>>                                 dp_dc1_msg_type_hsw,
>>                                 brw_inst_dp_msg_type(devinfo, inst), &space);
>>   
>> -               format(file, ", Surface = %"PRIu64", ",
>> +               format(prnt, ", Surface = %"PRIu64", ",
>>                         brw_inst_binding_table_index(devinfo, inst));
>>   
>>                  switch (brw_inst_dp_msg_type(devinfo, inst)) {
>>                  case HSW_DATAPORT_DC_PORT1_UNTYPED_ATOMIC_OP:
>>                  case HSW_DATAPORT_DC_PORT1_TYPED_ATOMIC_OP:
>>                  case HSW_DATAPORT_DC_PORT1_ATOMIC_COUNTER_OP:
>> -                  format(file, "SIMD%d,", (msg_ctrl & (1 << 4)) ? 8 : 16);
>> +                  format(prnt, "SIMD%d,", (msg_ctrl & (1 << 4)) ? 8 : 16);
>>                     /* fallthrough */
>>                  case HSW_DATAPORT_DC_PORT1_UNTYPED_ATOMIC_OP_SIMD4X2:
>>                  case HSW_DATAPORT_DC_PORT1_TYPED_ATOMIC_OP_SIMD4X2:
>>                  case HSW_DATAPORT_DC_PORT1_ATOMIC_COUNTER_OP_SIMD4X2:
>> -                  control(file, "atomic op", aop, msg_ctrl & 0xf, &space);
>> +                  control(prnt, "atomic op", aop, msg_ctrl & 0xf, &space);
>>                     break;
>>                  case HSW_DATAPORT_DC_PORT1_UNTYPED_SURFACE_READ:
>>                  case HSW_DATAPORT_DC_PORT1_UNTYPED_SURFACE_WRITE:
>>                  case HSW_DATAPORT_DC_PORT1_TYPED_SURFACE_READ:
>>                  case HSW_DATAPORT_DC_PORT1_TYPED_SURFACE_WRITE: {
>>                     static const char *simd_modes[] = { "4x2", "16", "8" };
>> -                  format(file, "SIMD%s, Mask = 0x%x",
>> +                  format(prnt, "SIMD%s, Mask = 0x%x",
>>                            simd_modes[msg_ctrl >> 4], msg_ctrl & 0xf);
>>                     break;
>>                  }
>>                  default:
>> -                  format(file, "0x%x", msg_ctrl);
>> +                  format(prnt, "0x%x", msg_ctrl);
>>                  }
>> -               format(file, ")");
>> +               format(prnt, ")");
>>                  break;
>>               }
>>               /* FALLTHROUGH */
>> @@ -1803,7 +1820,7 @@ brw_disassemble_inst(FILE *file, const struct gen_device_info *devinfo,
>>   
>>            case GEN7_SFID_PIXEL_INTERPOLATOR:
>>               if (devinfo->gen >= 7) {
>> -               format(file, " (%s, %s, 0x%02"PRIx64")",
>> +               format(prnt, " (%s, %s, 0x%02"PRIx64")",
>>                         brw_inst_pi_nopersp(devinfo, inst) ? "linear" : "persp",
>>                         pixel_interpolator_msg_types[brw_inst_pi_message_type(devinfo, inst)],
>>                         brw_inst_pi_message_data(devinfo, inst));
>> @@ -1812,65 +1829,105 @@ brw_disassemble_inst(FILE *file, const struct gen_device_info *devinfo,
>>               /* FALLTHROUGH */
>>   
>>            default:
>> -            format(file, "unsupported shared function ID %d", sfid);
>> +            format(prnt, "unsupported shared function ID %d", sfid);
>>               break;
>>            }
>>   
>>            if (space)
>> -            string(file, " ");
>> -         format(file, "mlen %"PRIu64, brw_inst_mlen(devinfo, inst));
>> -         format(file, " rlen %"PRIu64, brw_inst_rlen(devinfo, inst));
>> +            string(prnt, " ");
>> +         format(prnt, "mlen %"PRIu64, brw_inst_mlen(devinfo, inst));
>> +         format(prnt, " rlen %"PRIu64, brw_inst_rlen(devinfo, inst));
>>         }
>>      }
>> -   pad(file, 64);
>> +   pad(prnt, 64);
>>      if (opcode != BRW_OPCODE_NOP && opcode != BRW_OPCODE_NENOP) {
>> -      string(file, "{");
>> +      string(prnt, "{");
>>         space = 1;
>> -      err |= control(file, "access mode", access_mode,
>> +      err |= control(prnt, "access mode", access_mode,
>>                        brw_inst_access_mode(devinfo, inst), &space);
>>         if (devinfo->gen >= 6) {
>> -         err |= control(file, "write enable control", wectrl,
>> +         err |= control(prnt, "write enable control", wectrl,
>>                           brw_inst_mask_control(devinfo, inst), &space);
>>         } else {
>> -         err |= control(file, "mask control", mask_ctrl,
>> +         err |= control(prnt, "mask control", mask_ctrl,
>>                           brw_inst_mask_control(devinfo, inst), &space);
>>         }
>> -      err |= control(file, "dependency control", dep_ctrl,
>> +      err |= control(prnt, "dependency control", dep_ctrl,
>>                        ((brw_inst_no_dd_check(devinfo, inst) << 1) |
>>                         brw_inst_no_dd_clear(devinfo, inst)), &space);
>>   
>>         if (devinfo->gen >= 6)
>> -         err |= qtr_ctrl(file, devinfo, inst);
>> +         err |= qtr_ctrl(prnt, devinfo, inst);
>>         else {
>>            if (brw_inst_qtr_control(devinfo, inst) == BRW_COMPRESSION_COMPRESSED &&
>>                desc && desc->ndst > 0 &&
>>                brw_inst_dst_reg_file(devinfo, inst) == BRW_MESSAGE_REGISTER_FILE &&
>>                brw_inst_dst_da_reg_nr(devinfo, inst) & BRW_MRF_COMPR4) {
>> -            format(file, " compr4");
>> +            format(prnt, " compr4");
>>            } else {
>> -            err |= control(file, "compression control", compr_ctrl,
>> +            err |= control(prnt, "compression control", compr_ctrl,
>>                              brw_inst_qtr_control(devinfo, inst), &space);
>>            }
>>         }
>>   
>> -      err |= control(file, "compaction", cmpt_ctrl, is_compacted, &space);
>> -      err |= control(file, "thread control", thread_ctrl,
>> +      err |= control(prnt, "compaction", cmpt_ctrl, is_compacted, &space);
>> +      err |= control(prnt, "thread control", thread_ctrl,
>>                        brw_inst_thread_control(devinfo, inst), &space);
>>         if (has_branch_ctrl(devinfo, opcode)) {
>> -         err |= control(file, "branch ctrl", branch_ctrl,
>> +         err |= control(prnt, "branch ctrl", branch_ctrl,
>>                           brw_inst_branch_control(devinfo, inst), &space);
>>         } else if (devinfo->gen >= 6) {
>> -         err |= control(file, "acc write control", accwr,
>> +         err |= control(prnt, "acc write control", accwr,
>>                           brw_inst_acc_wr_control(devinfo, inst), &space);
>>         }
>>         if (opcode == BRW_OPCODE_SEND || opcode == BRW_OPCODE_SENDC)
>> -         err |= control(file, "end of thread", end_of_thread,
>> +         err |= control(prnt, "end of thread", end_of_thread,
>>                           brw_inst_eot(devinfo, inst), &space);
>>         if (space)
>> -         string(file, " ");
>> -      string(file, "}");
>> +         string(prnt, " ");
>> +      string(prnt, "}");
>>      }
>> -   string(file, ";");
>> -   newline(file);
>> +   string(prnt, ";");
>> +   newline(prnt);
>>      return err;
>>   }
>> +
>> +void
>> +brw_disassemble(const struct gen_device_info *devinfo,
>> +                const void *assembly, int start, int end,
>> +                const struct brw_print *prnt)
>> +{
>> +   bool dump_hex = (INTEL_DEBUG & DEBUG_HEX) != 0;
>> +
>> +   for (int offset = start; offset < end;) {
>> +      const brw_inst *insn = assembly + offset;
>> +      brw_inst uncompacted;
>> +      bool compacted = brw_inst_cmpt_control(devinfo, insn);
>> +      if (0)
>> +         format(prnt, "0x%08x: ", offset);
>> +
>> +      if (compacted) {
>> +         brw_compact_inst *compacted = (void *)insn;
>> +         if (dump_hex) {
>> +            format(prnt, "0x%08x 0x%08x                       ",
>> +                   ((uint32_t *)insn)[1],
>> +                   ((uint32_t *)insn)[0]);
>> +         }
>> +
>> +         brw_uncompact_instruction(devinfo, &uncompacted, compacted);
>> +         insn = &uncompacted;
>> +         offset += 8;
>> +      } else {
>> +         if (dump_hex) {
>> +            format(prnt, "0x%08x 0x%08x 0x%08x 0x%08x ",
>> +                   ((uint32_t *)insn)[3],
>> +                   ((uint32_t *)insn)[2],
>> +                   ((uint32_t *)insn)[1],
>> +                   ((uint32_t *)insn)[0]);
>> +         }
>> +         offset += 16;
>> +      }
>> +
>> +      brw_disassemble_inst(prnt, devinfo, insn, compacted);
>> +   }
>> +}
>> diff --git a/src/intel/compiler/brw_eu.c b/src/intel/compiler/brw_eu.c
>> index b0bdc38f4b5..f580e8ff239 100644
>> --- a/src/intel/compiler/brw_eu.c
>> +++ b/src/intel/compiler/brw_eu.c
>> @@ -335,45 +335,6 @@ const unsigned *brw_get_program( struct brw_codegen *p,
>>      return (const unsigned *)p->store;
>>   }
>>   
>> -void
>> -brw_disassemble(const struct gen_device_info *devinfo,
>> -                const void *assembly, int start, int end, FILE *out)
>> -{
>> -   bool dump_hex = (INTEL_DEBUG & DEBUG_HEX) != 0;
>> -
>> -   for (int offset = start; offset < end;) {
>> -      const brw_inst *insn = assembly + offset;
>> -      brw_inst uncompacted;
>> -      bool compacted = brw_inst_cmpt_control(devinfo, insn);
>> -      if (0)
>> -         fprintf(out, "0x%08x: ", offset);
>> -
>> -      if (compacted) {
>> -         brw_compact_inst *compacted = (void *)insn;
>> -	 if (dump_hex) {
>> -	    fprintf(out, "0x%08x 0x%08x                       ",
>> -		    ((uint32_t *)insn)[1],
>> -		    ((uint32_t *)insn)[0]);
>> -	 }
>> -
>> -	 brw_uncompact_instruction(devinfo, &uncompacted, compacted);
>> -	 insn = &uncompacted;
>> -	 offset += 8;
>> -      } else {
>> -	 if (dump_hex) {
>> -	    fprintf(out, "0x%08x 0x%08x 0x%08x 0x%08x ",
>> -		    ((uint32_t *)insn)[3],
>> -		    ((uint32_t *)insn)[2],
>> -		    ((uint32_t *)insn)[1],
>> -		    ((uint32_t *)insn)[0]);
>> -	 }
>> -	 offset += 16;
>> -      }
>> -
>> -      brw_disassemble_inst(out, devinfo, insn, compacted);
>> -   }
>> -}
>> -
>>   enum gen {
>>      GEN4  = (1 << 0),
>>      GEN45 = (1 << 1),
>> diff --git a/src/intel/compiler/brw_eu.h b/src/intel/compiler/brw_eu.h
>> index d8c9be2e544..94cb25887ac 100644
>> --- a/src/intel/compiler/brw_eu.h
>> +++ b/src/intel/compiler/brw_eu.h
>> @@ -51,6 +51,13 @@ extern "C" {
>>    */
>>   #define brw_last_inst (&p->store[p->nr_insn - 1])
>>   
>> +typedef void (*brw_print_cb)(const char *string, void *handle);
>> +
>> +struct brw_print {
>> +   void *handle;
>> +   brw_print_cb string;
>> +};
>> +
>>   struct brw_codegen {
>>      brw_inst *store;
>>      int store_size;
>> @@ -114,10 +121,12 @@ void brw_set_default_acc_write_control(struct brw_codegen *p, unsigned value);
>>   
>>   void brw_init_codegen(const struct gen_device_info *, struct brw_codegen *p,
>>   		      void *mem_ctx);
>> -int brw_disassemble_inst(FILE *file, const struct gen_device_info *devinfo,
>> +int brw_disassemble_inst(const struct brw_print *prnt,
>> +                         const struct gen_device_info *devinfo,
>>                            const struct brw_inst *inst, bool is_compacted);
>>   void brw_disassemble(const struct gen_device_info *devinfo,
>> -                     const void *assembly, int start, int end, FILE *out);
>> +                     const void *assembly, int start, int end,
>> +                     const struct brw_print *prnt);
>>   const unsigned *brw_get_program( struct brw_codegen *p, unsigned *sz );
>>   
>>   brw_inst *brw_next_insn(struct brw_codegen *p, unsigned opcode);
>> diff --git a/src/intel/compiler/brw_eu_compact.c b/src/intel/compiler/brw_eu_compact.c
>> index a9da46957a5..8c4a4014e56 100644
>> --- a/src/intel/compiler/brw_eu_compact.c
>> +++ b/src/intel/compiler/brw_eu_compact.c
>> @@ -1348,14 +1348,19 @@ void brw_debug_compact_uncompact(const struct gen_device_info *devinfo,
>>                                    brw_inst *orig,
>>                                    brw_inst *uncompacted)
>>   {
>> +   struct brw_print prnt = {
>> +      .handle = stderr,
>> +      .string = (brw_print_cb) fputs,
>> +   };
>> +
>>      fprintf(stderr, "Instruction compact/uncompact changed (gen%d):\n",
>>              devinfo->gen);
>>   
>>      fprintf(stderr, "  before: ");
>> -   brw_disassemble_inst(stderr, devinfo, orig, true);
>> +   brw_disassemble_inst(&prnt, devinfo, orig, true);
>>   
>>      fprintf(stderr, "  after:  ");
>> -   brw_disassemble_inst(stderr, devinfo, uncompacted, false);
>> +   brw_disassemble_inst(&prnt, devinfo, uncompacted, false);
>>   
>>      uint32_t *before_bits = (uint32_t *)orig;
>>      uint32_t *after_bits = (uint32_t *)uncompacted;
>> diff --git a/src/intel/compiler/intel_asm_annotation.c b/src/intel/compiler/intel_asm_annotation.c
>> index b07a545a12e..e34cc369f0f 100644
>> --- a/src/intel/compiler/intel_asm_annotation.c
>> +++ b/src/intel/compiler/intel_asm_annotation.c
>> @@ -65,7 +65,10 @@ dump_assembly(void *assembly, int num_annotations, struct annotation *annotation
>>               fprintf(stderr, "   %s\n", last_annotation_string);
>>         }
>>   
>> -      brw_disassemble(devinfo, assembly, start_offset, end_offset, stderr);
>> +      brw_disassemble(devinfo, assembly, start_offset, end_offset,
>> +                      &(struct brw_print){
>> +                         .handle = stderr,
>> +                         .string = (brw_print_cb) fputs, });
>>   
>>         if (annotation[i].error) {
>>            fputs(annotation[i].error, stderr);
>> diff --git a/src/intel/compiler/test_eu_compact.cpp b/src/intel/compiler/test_eu_compact.cpp
>> index 1532e3b9840..427dd8e1cc9 100644
>> --- a/src/intel/compiler/test_eu_compact.cpp
>> +++ b/src/intel/compiler/test_eu_compact.cpp
>> @@ -48,7 +48,12 @@ test_compact_instruction(struct brw_codegen *p, brw_inst src)
>>         if (memcmp(&unchanged, &dst, sizeof(dst))) {
>>   	 fprintf(stderr, "Failed to compact, but dst changed\n");
>>   	 fprintf(stderr, "  Instruction: ");
>> -	 brw_disassemble_inst(stderr, p->devinfo, &src, false);
>> +
>> +         struct brw_print prnt = {
>> +            .handle = strderr,
>> +            .string = fputs,
>> +         };
>> +         brw_disassemble_inst(&prnt, p->devinfo, &src, false);
>>   	 return false;
>>         }
>>      }
>> diff --git a/src/intel/tools/aubinator.c b/src/intel/tools/aubinator.c
>> index 2c4eaab1701..436a4928979 100644
>> --- a/src/intel/tools/aubinator.c
>> +++ b/src/intel/tools/aubinator.c
>> @@ -277,7 +277,7 @@ handle_media_interface_descriptor_load(struct gen_spec *spec, uint32_t *p)
>>         }
>>   
>>         insns = (struct brw_instruction *) (gtt + start);
>> -      gen_disasm_disassemble(disasm, insns, 0, stdout);
>> +      gen_disasm_disassemble_print(disasm, insns, 0, stdout);
>>   
>>         dump_samplers(spec, descriptors[3] & ~0x1f);
>>         dump_binding_table(spec, descriptors[4] & ~0x1f);
>> @@ -375,7 +375,7 @@ handle_3dstate_vs(struct gen_spec *spec, uint32_t *p)
>>                 instruction_base, start);
>>   
>>         insns = (struct brw_instruction *) (gtt + instruction_base + start);
>> -      gen_disasm_disassemble(disasm, insns, 0, stdout);
>> +      gen_disasm_disassemble_print(disasm, insns, 0, stdout);
>>      }
>>   }
>>   
>> @@ -399,7 +399,7 @@ handle_3dstate_hs(struct gen_spec *spec, uint32_t *p)
>>                 instruction_base, start);
>>   
>>         insns = (struct brw_instruction *) (gtt + instruction_base + start);
>> -      gen_disasm_disassemble(disasm, insns, 0, stdout);
>> +      gen_disasm_disassemble_print(disasm, insns, 0, stdout);
>>      }
>>   }
>>   
>> @@ -493,21 +493,21 @@ handle_3dstate_ps(struct gen_spec *spec, uint32_t *p)
>>      fprintf(outfile, "  Kernel[0] %s\n", k0);
>>      if (k0 != unused) {
>>         insns = (struct brw_instruction *) (gtt + start);
>> -      gen_disasm_disassemble(disasm, insns, 0, stdout);
>> +      gen_disasm_disassemble_print(disasm, insns, 0, stdout);
>>      }
>>   
>>      start = instruction_base + (p[k1_offset] & mask);
>>      fprintf(outfile, "  Kernel[1] %s\n", k1);
>>      if (k1 != unused) {
>>         insns = (struct brw_instruction *) (gtt + start);
>> -      gen_disasm_disassemble(disasm, insns, 0, stdout);
>> +      gen_disasm_disassemble_print(disasm, insns, 0, stdout);
>>      }
>>   
>>      start = instruction_base + (p[k2_offset] & mask);
>>      fprintf(outfile, "  Kernel[2] %s\n", k2);
>>      if (k2 != unused) {
>>         insns = (struct brw_instruction *) (gtt + start);
>> -      gen_disasm_disassemble(disasm, insns, 0, stdout);
>> +      gen_disasm_disassemble_print(disasm, insns, 0, stdout);
>>      }
>>   }
>>   
>> diff --git a/src/intel/tools/disasm.c b/src/intel/tools/disasm.c
>> index 251acd313dc..e2f5c11f6f5 100644
>> --- a/src/intel/tools/disasm.c
>> +++ b/src/intel/tools/disasm.c
>> @@ -69,12 +69,71 @@ gen_disasm_find_end(struct gen_disasm *disasm, void *assembly, int start)
>>      return offset;
>>   }
>>   
>> +static void
>> +append_string(const char *string, void *data)
>> +{
>> +   char **old = data;
>> +   size_t len = strlen(*old) + strlen(string) + 1;
>> +   char *new = malloc(len);
>> +   new[0] = '\0';
>> +   strcat(new, *old);
>> +   strcat(new, string);
>> +   *old = new;
>> +}
>> +
>>   void
>>   gen_disasm_disassemble(struct gen_disasm *disasm, void *assembly,
>> -                       int start, FILE *out)
>> +                       int start, char **ret)
>>   {
>>      struct gen_device_info *devinfo = &disasm->devinfo;
>>      int end = gen_disasm_find_end(disasm, assembly, start);
>> +   struct brw_print prnt = {
>> +      .handle = ret,
>> +      .string = append_string,
>> +   };
>> +
>> +   *ret = strdup("");
>> +
>> +   /* Make a dummy annotation structure that brw_validate_instructions
>> +    * can work from.
>> +    */
>> +   struct annotation_info annotation_info = {
>> +      .ann_count = 1,
>> +      .ann_size = 2,
>> +   };
>> +   annotation_info.mem_ctx = ralloc_context(NULL);
>> +   annotation_info.ann = rzalloc_array(annotation_info.mem_ctx,
>> +                                       struct annotation,
>> +                                       annotation_info.ann_size);
>> +   annotation_info.ann[0].offset = start;
>> +   annotation_info.ann[1].offset = end;
>> +   brw_validate_instructions(devinfo, assembly, start, end, &annotation_info);
>> +   struct annotation *annotation = annotation_info.ann;
>> +
>> +   for (int i = 0; i < annotation_info.ann_count; i++) {
>> +      int start_offset = annotation[i].offset;
>> +      int end_offset = annotation[i + 1].offset;
>> +
>> +      brw_disassemble(devinfo, assembly, start_offset, end_offset, &prnt);
>> +
>> +      if (annotation[i].error) {
>> +         append_string(annotation[i].error, ret);
>> +      }
>> +   }
>> +
>> +   ralloc_free(annotation_info.mem_ctx);
>> +}
>> +
>> +void
>> +gen_disasm_disassemble_print(struct gen_disasm *disasm, void *assembly,
>> +                             int start, FILE *out)
>> +{
>> +   struct gen_device_info *devinfo = &disasm->devinfo;
>> +   int end = gen_disasm_find_end(disasm, assembly, start);
>> +   struct brw_print prnt = {
>> +      .handle = out,
>> +      .string = (brw_print_cb) fputs,
>> +   };
>>   
>>      /* Make a dummy annotation structure that brw_validate_instructions
>>       * can work from.
>> @@ -96,7 +155,7 @@ gen_disasm_disassemble(struct gen_disasm *disasm, void *assembly,
>>         int start_offset = annotation[i].offset;
>>         int end_offset = annotation[i + 1].offset;
>>   
>> -      brw_disassemble(devinfo, assembly, start_offset, end_offset, out);
>> +      brw_disassemble(devinfo, assembly, start_offset, end_offset, &prnt);
>>   
>>         if (annotation[i].error) {
>>            fputs(annotation[i].error, out);
>> diff --git a/src/intel/tools/gen_disasm.h b/src/intel/tools/gen_disasm.h
>> index d2764bb90b7..281c2dc9cff 100644
>> --- a/src/intel/tools/gen_disasm.h
>> +++ b/src/intel/tools/gen_disasm.h
>> @@ -32,8 +32,11 @@ struct gen_disasm;
>>   
>>   struct gen_disasm *gen_disasm_create(int pciid);
>>   void gen_disasm_disassemble(struct gen_disasm *disasm,
>> -                            void *assembly, int start, FILE *out);
>> -
>> +                            void *assembly, int start,
>> +                            char **ret);
>> +void gen_disasm_disassemble_print(struct gen_disasm *disasm,
>> +                                  void *assembly,
>> +                                  int start, FILE *out);
>>   void gen_disasm_destroy(struct gen_disasm *disasm);
>>   
>>   #ifdef __cplusplus
>> -- 
>> 2.15.0.rc2
>>
>> _______________________________________________
>> mesa-dev mailing list
>> mesa-dev at lists.freedesktop.org
>> https://lists.freedesktop.org/mailman/listinfo/mesa-dev




More information about the mesa-dev mailing list