diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp | 7 |
1 files changed, 7 insertions, 0 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 739f33eed34..55413abbc6e 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp +++ b/src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp @@ -151,6 +151,13 @@ try_constant_propagate(const struct gen_device_info *devinfo, if (value.file != IMM) return false; + /* 64-bit types can't be used except for one-source instructions, which + * higher levels should have constant folded away, so there's no point in + * propagating immediates here. + */ + if (type_sz(value.type) == 8 || type_sz(inst->src[arg].type) == 8) + return false; + if (value.type == BRW_REGISTER_TYPE_VF) { /* The result of bit-casting the component values of a vector float * cannot in general be represented as an immediate. |