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| author | Francisco Jerez <currojerez@riseup.net> | 2016-09-01 21:16:14 -0700 |
|---|---|---|
| committer | Francisco Jerez <currojerez@riseup.net> | 2016-09-14 14:50:55 -0700 |
| commit | 9ae77d702043231571b5ef08951224e3c77baddd (patch) | |
| tree | 44cef3a9e53f78783b75d2fb42081214df99ad9b /src/mesa/drivers/dri/i965/brw_fs_cmod_propagation.cpp | |
| parent | 3a4ea7cf803cb5af2b7d0e7d71ee4825294a94aa (diff) | |
| download | external_mesa3d-9ae77d702043231571b5ef08951224e3c77baddd.zip external_mesa3d-9ae77d702043231571b5ef08951224e3c77baddd.tar.gz external_mesa3d-9ae77d702043231571b5ef08951224e3c77baddd.tar.bz2 | |
i965/fs: Compare full register offsets in cmod propagation pass.
This could potentially have misoptimized a program in cases where
inst->src[0] had a non-zero sub-GRF offset.
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_fs_cmod_propagation.cpp')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_cmod_propagation.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_cmod_propagation.cpp b/src/mesa/drivers/dri/i965/brw_fs_cmod_propagation.cpp index 7607d20..291ae4c 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_cmod_propagation.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_cmod_propagation.cpp @@ -90,8 +90,7 @@ opt_cmod_propagation_local(const gen_device_info *devinfo, bblock_t *block) foreach_inst_in_block_reverse_starting_from(fs_inst, scan_inst, inst) { if (scan_inst->overwrites_reg(inst->src[0])) { if (scan_inst->is_partial_write() || - scan_inst->dst.offset / REG_SIZE != - inst->src[0].offset / REG_SIZE || + scan_inst->dst.offset != inst->src[0].offset || scan_inst->exec_size != inst->exec_size) break; |