[Mesa-dev] [PATCH 17/38] i965/fs: Migrate Gen4 send dependency workarounds to the IR builder.
Francisco Jerez
currojerez at riseup.net
Thu Jun 4 09:05:06 PDT 2015
---
src/mesa/drivers/dri/i965/brw_fs.cpp | 26 +++++++++-----------------
src/mesa/drivers/dri/i965/brw_fs.h | 2 +-
2 files changed, 10 insertions(+), 18 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 41015e6..e654af9 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -418,20 +418,14 @@ fs_visitor::VARYING_PULL_CONSTANT_LOAD(const fs_reg &dst,
* A helper for MOV generation for fixing up broken hardware SEND dependency
* handling.
*/
-fs_inst *
-fs_visitor::DEP_RESOLVE_MOV(int grf)
+void
+fs_visitor::DEP_RESOLVE_MOV(const fs_builder &bld, int grf)
{
- fs_inst *inst = MOV(brw_null_reg(), fs_reg(GRF, grf, BRW_REGISTER_TYPE_F));
-
- inst->ir = NULL;
- inst->annotation = "send dependency resolve";
-
/* The caller always wants uncompressed to emit the minimal extra
* dependencies, and to avoid having to deal with aligning its regs to 2.
*/
- inst->exec_size = 8;
-
- return inst;
+ bld.annotate("send dependency resolve").half(0)
+ .MOV(brw_null_reg(), fs_reg(GRF, grf, BRW_REGISTER_TYPE_F));
}
bool
@@ -3117,9 +3111,8 @@ fs_visitor::insert_gen4_pre_send_dependency_workarounds(bblock_t *block,
*/
if (block->start() == scan_inst) {
for (int i = 0; i < write_len; i++) {
- if (needs_dep[i]) {
- inst->insert_before(block, DEP_RESOLVE_MOV(first_write_grf + i));
- }
+ if (needs_dep[i])
+ DEP_RESOLVE_MOV(bld.at(block, inst), first_write_grf + i);
}
return;
}
@@ -3135,7 +3128,7 @@ fs_visitor::insert_gen4_pre_send_dependency_workarounds(bblock_t *block,
if (reg >= first_write_grf &&
reg < first_write_grf + write_len &&
needs_dep[reg - first_write_grf]) {
- inst->insert_before(block, DEP_RESOLVE_MOV(reg));
+ DEP_RESOLVE_MOV(bld.at(block, inst), reg);
needs_dep[reg - first_write_grf] = false;
if (scan_inst->exec_size == 16)
needs_dep[reg - first_write_grf + 1] = false;
@@ -3182,8 +3175,7 @@ fs_visitor::insert_gen4_post_send_dependency_workarounds(bblock_t *block, fs_ins
if (block->end() == scan_inst) {
for (int i = 0; i < write_len; i++) {
if (needs_dep[i])
- scan_inst->insert_before(block,
- DEP_RESOLVE_MOV(first_write_grf + i));
+ DEP_RESOLVE_MOV(bld.at(block, scan_inst), first_write_grf + i);
}
return;
}
@@ -3198,7 +3190,7 @@ fs_visitor::insert_gen4_post_send_dependency_workarounds(bblock_t *block, fs_ins
scan_inst->dst.reg >= first_write_grf &&
scan_inst->dst.reg < first_write_grf + write_len &&
needs_dep[scan_inst->dst.reg - first_write_grf]) {
- scan_inst->insert_before(block, DEP_RESOLVE_MOV(scan_inst->dst.reg));
+ DEP_RESOLVE_MOV(bld.at(block, scan_inst), scan_inst->dst.reg);
needs_dep[scan_inst->dst.reg - first_write_grf] = false;
}
diff --git a/src/mesa/drivers/dri/i965/brw_fs.h b/src/mesa/drivers/dri/i965/brw_fs.h
index bdda9d0..5ad137b 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.h
+++ b/src/mesa/drivers/dri/i965/brw_fs.h
@@ -131,7 +131,6 @@ public:
enum brw_conditional_mod condition);
fs_inst *LRP(const fs_reg &dst, const fs_reg &a, const fs_reg &y,
const fs_reg &x);
- fs_inst *DEP_RESOLVE_MOV(int grf);
fs_inst *BFREV(const fs_reg &dst, const fs_reg &value);
fs_inst *BFE(const fs_reg &dst, const fs_reg &bits, const fs_reg &offset,
const fs_reg &value);
@@ -159,6 +158,7 @@ public:
const fs_reg &surf_index,
const fs_reg &varying_offset,
uint32_t const_offset);
+ void DEP_RESOLVE_MOV(const brw::fs_builder &bld, int grf);
bool run_fs();
bool run_vs();
--
2.3.5
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