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| author | Matt Turner <mattst88@gmail.com> | 2014-06-23 22:07:38 -0700 |
|---|---|---|
| committer | Matt Turner <mattst88@gmail.com> | 2014-06-25 13:00:54 -0700 |
| commit | 7192207de18a7a7e127a8a5910626af96f001993 (patch) | |
| tree | 988adb9362158a9357a9e3808b5caf0f3af53cc2 /src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp | |
| parent | 038eb649b30dfddaf40888ea28b5e88de3af2214 (diff) | |
| download | external_mesa3d-7192207de18a7a7e127a8a5910626af96f001993.zip external_mesa3d-7192207de18a7a7e127a8a5910626af96f001993.tar.gz external_mesa3d-7192207de18a7a7e127a8a5910626af96f001993.tar.bz2 | |
i965/vec4: Constant propagate into 2-src math instructions on Gen8.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp b/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp index 11571ad..278ec7b 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp +++ b/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp @@ -73,7 +73,8 @@ is_channel_updated(vec4_instruction *inst, src_reg *values[4], int ch) } static bool -try_constant_propagation(vec4_instruction *inst, int arg, src_reg *values[4]) +try_constant_propagation(struct brw_context *brw, vec4_instruction *inst, + int arg, src_reg *values[4]) { /* For constant propagation, we only handle the same constant * across all 4 channels. Some day, we should handle the 8-bit @@ -110,6 +111,12 @@ try_constant_propagation(vec4_instruction *inst, int arg, src_reg *values[4]) inst->src[arg] = value; return true; + case SHADER_OPCODE_POW: + case SHADER_OPCODE_INT_QUOTIENT: + case SHADER_OPCODE_INT_REMAINDER: + if (brw->gen < 8) + break; + /* fallthrough */ case BRW_OPCODE_DP2: case BRW_OPCODE_DP3: case BRW_OPCODE_DP4: @@ -360,7 +367,7 @@ vec4_visitor::opt_copy_propagation() if (c != 4) continue; - if (try_constant_propagation(inst, i, values) || + if (try_constant_propagation(brw, inst, i, values) || try_copy_propagation(inst, i, values)) progress = true; } |