Mesa (master): i965: the offset of any branch/ jump instruction is in unit of 64bits on IGDNG

[Haihao Xiang]

Module: Mesa
Branch: master
Commit: 868aa160745ed0b3f1a83353ef2f3a8fcb5d235e
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=868aa160745ed0b3f1a83353ef2f3a8fcb5d235e

Author: Xiang, Haihao <haihao.xiang at intel.com>
Date:   Wed Jul 15 10:40:16 2009 +0800

i965: the offset of any branch/jump instruction is in unit of 64bits on IGDNG

---

 src/mesa/drivers/dri/i965/brw_eu_emit.c |   21 +++++++++++++++++----
 src/mesa/drivers/dri/i965/brw_wm_glsl.c |    9 +++++++--
 2 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c
index ec634e6..2412014 100644
--- a/src/mesa/drivers/dri/i965/brw_eu_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c
@@ -648,6 +648,10 @@ struct brw_instruction *brw_ELSE(struct brw_compile *p,
 				 struct brw_instruction *if_insn)
 {
    struct brw_instruction *insn;
+   GLuint br = 1;
+
+   if (BRW_IS_IGDNG(p->brw))
+      br = 2;
 
    if (p->single_program_flow) {
       insn = next_insn(p, BRW_OPCODE_ADD);
@@ -674,7 +678,7 @@ struct brw_instruction *brw_ELSE(struct brw_compile *p,
    } else {
       assert(if_insn->header.opcode == BRW_OPCODE_IF);
 
-      if_insn->bits3.if_else.jump_count = insn - if_insn;
+      if_insn->bits3.if_else.jump_count = br * (insn - if_insn);
       if_insn->bits3.if_else.pop_count = 1;
       if_insn->bits3.if_else.pad0 = 0;
    }
@@ -685,6 +689,11 @@ struct brw_instruction *brw_ELSE(struct brw_compile *p,
 void brw_ENDIF(struct brw_compile *p, 
 	       struct brw_instruction *patch_insn)
 {
+   GLuint br = 1;
+
+   if (BRW_IS_IGDNG(p->brw))
+      br = 2; 
+ 
    if (p->single_program_flow) {
       /* In single program flow mode, there's no need to execute an ENDIF,
        * since we don't need to do any stack operations, and if we're executing
@@ -716,11 +725,11 @@ void brw_ENDIF(struct brw_compile *p,
 	 /* Automagically turn it into an IFF:
 	  */
 	 patch_insn->header.opcode = BRW_OPCODE_IFF;
-	 patch_insn->bits3.if_else.jump_count = insn - patch_insn + 1;
+	 patch_insn->bits3.if_else.jump_count = br * (insn - patch_insn + 1);
 	 patch_insn->bits3.if_else.pop_count = 0;
 	 patch_insn->bits3.if_else.pad0 = 0;
       } else if (patch_insn->header.opcode == BRW_OPCODE_ELSE) {
-	 patch_insn->bits3.if_else.jump_count = insn - patch_insn + 1;
+	 patch_insn->bits3.if_else.jump_count = br * (insn - patch_insn + 1);
 	 patch_insn->bits3.if_else.pop_count = 1;
 	 patch_insn->bits3.if_else.pad0 = 0;
       } else {
@@ -794,6 +803,10 @@ struct brw_instruction *brw_WHILE(struct brw_compile *p,
                                   struct brw_instruction *do_insn)
 {
    struct brw_instruction *insn;
+   GLuint br = 1;
+
+   if (BRW_IS_IGDNG(p->brw))
+      br = 2;
 
    if (p->single_program_flow)
       insn = next_insn(p, BRW_OPCODE_ADD);
@@ -814,7 +827,7 @@ struct brw_instruction *brw_WHILE(struct brw_compile *p,
       insn->header.execution_size = do_insn->header.execution_size;
 
       assert(do_insn->header.opcode == BRW_OPCODE_DO);
-      insn->bits3.if_else.jump_count = do_insn - insn + 1;
+      insn->bits3.if_else.jump_count = br * (do_insn - insn + 1);
       insn->bits3.if_else.pop_count = 0;
       insn->bits3.if_else.pad0 = 0;
    }
diff --git a/src/mesa/drivers/dri/i965/brw_wm_glsl.c b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
index 38f2052..19f777f 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_glsl.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
@@ -3000,17 +3000,22 @@ static void brw_wm_emit_glsl(struct brw_context *brw, struct brw_wm_compile *c)
 	    case OPCODE_ENDLOOP: 
                {
                   struct brw_instruction *inst0, *inst1;
+                  GLuint br = 1;
+
+                  if (BRW_IS_IGDNG(brw))
+                     br = 2;
+ 
                   loop_depth--;
                   inst0 = inst1 = brw_WHILE(p, loop_inst[loop_depth]);
                   /* patch all the BREAK/CONT instructions from last BEGINLOOP */
                   while (inst0 > loop_inst[loop_depth]) {
                      inst0--;
                      if (inst0->header.opcode == BRW_OPCODE_BREAK) {
-			inst0->bits3.if_else.jump_count = inst1 - inst0 + 1;
+			inst0->bits3.if_else.jump_count = br * (inst1 - inst0 + 1);
 			inst0->bits3.if_else.pop_count = 0;
                      }
                      else if (inst0->header.opcode == BRW_OPCODE_CONTINUE) {
-                        inst0->bits3.if_else.jump_count = inst1 - inst0;
+                        inst0->bits3.if_else.jump_count = br * (inst1 - inst0);
                         inst0->bits3.if_else.pop_count = 0;
                      }
                   }