Mesa (master): intel/compiler: Remove unnecessary optimization for MUL
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Wed Jun 17 00:43:42 UTC 2020
Module: Mesa
Branch: master
Commit: a0ef4971d09ce23c0875c94468d20acd186e5be2
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=a0ef4971d09ce23c0875c94468d20acd186e5be2
Author: Sagar Ghuge <sagar.ghuge at intel.com>
Date: Mon Jun 8 15:35:29 2020 -0700
intel/compiler: Remove unnecessary optimization for MUL
2 source instruction only support immediate for src1 operand, so no
point in adding optimization condition for src0 oprand.
v2:
- Update commit message and don't remove ADD optimization (Matt Turner)
Signed-off-by: Sagar Ghuge <sagar.ghuge at intel.com>
Reviewed-by: Matt Turner <mattst88 at gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5341>
---
src/intel/compiler/brw_fs.cpp | 8 --------
1 file changed, 8 deletions(-)
diff --git a/src/intel/compiler/brw_fs.cpp b/src/intel/compiler/brw_fs.cpp
index 1b0327e157e..a41d15270b9 100644
--- a/src/intel/compiler/brw_fs.cpp
+++ b/src/intel/compiler/brw_fs.cpp
@@ -2698,14 +2698,6 @@ fs_visitor::opt_algebraic()
break;
}
- if (inst->src[0].file == IMM) {
- assert(inst->src[0].type == BRW_REGISTER_TYPE_F);
- inst->opcode = BRW_OPCODE_MOV;
- inst->src[0].f *= inst->src[1].f;
- inst->src[1] = reg_undef;
- progress = true;
- break;
- }
break;
case BRW_OPCODE_ADD:
if (inst->src[1].file != IMM)
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