diff options
| author | Francisco Jerez <[email protected]> | 2016-05-17 16:00:19 -0700 |
|---|---|---|
| committer | Francisco Jerez <[email protected]> | 2016-05-27 23:19:22 -0700 |
| commit | 98c8bef01cae5fd70dda22fd7ac0b5694c4dfb5f (patch) | |
| tree | d3d0a94d5cf35827641ad488bc0b3dc3cbe9b84a /src/mesa/drivers | |
| parent | 88d9cc15637559229fe725c0531de8ad7a0a60a7 (diff) | |
i965/fs: Implement HSW BFI exec size workarounds in the SIMD lowering pass.
Reviewed-by: Jason Ekstrand <[email protected]>
Diffstat (limited to 'src/mesa/drivers')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.cpp | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index 0b7c84a9e40..2b6cf221f4c 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -4745,8 +4745,6 @@ get_lowered_simd_width(const struct brw_device_info *devinfo, case BRW_OPCODE_F16TO32: case BRW_OPCODE_BFREV: case BRW_OPCODE_BFE: - case BRW_OPCODE_BFI1: - case BRW_OPCODE_BFI2: case BRW_OPCODE_ADD: case BRW_OPCODE_MUL: case BRW_OPCODE_AVG: @@ -4781,6 +4779,14 @@ get_lowered_simd_width(const struct brw_device_info *devinfo, !inst->dst.is_null() ? 8 : ~0); return MIN2(max_width, get_fpu_lowered_simd_width(devinfo, inst)); } + case BRW_OPCODE_BFI1: + case BRW_OPCODE_BFI2: + /* The Haswell WaForceSIMD8ForBFIInstruction workaround says that we + * should + * "Force BFI instructions to be executed always in SIMD8." + */ + return MIN2(devinfo->is_haswell ? 8 : ~0u, + get_fpu_lowered_simd_width(devinfo, inst)); case SHADER_OPCODE_RCP: case SHADER_OPCODE_RSQ: |