diff options
Diffstat (limited to 'src/intel/compiler/brw_eu_emit.c')
| -rw-r--r-- | src/intel/compiler/brw_eu_emit.c | 32 |
1 files changed, 18 insertions, 14 deletions
diff --git a/src/intel/compiler/brw_eu_emit.c b/src/intel/compiler/brw_eu_emit.c index fae74cf80ab..39f82913651 100644 --- a/src/intel/compiler/brw_eu_emit.c +++ b/src/intel/compiler/brw_eu_emit.c @@ -141,22 +141,26 @@ brw_set_dest(struct brw_codegen *p, brw_inst *inst, struct brw_reg dest) /* Generators should set a default exec_size of either 8 (SIMD4x2 or SIMD8) * or 16 (SIMD16), as that's normally correct. However, when dealing with - * small registers, we automatically reduce it to match the register size. - * - * In platforms that support fp64 we can emit instructions with a width of - * 4 that need two SIMD8 registers and an exec_size of 8 or 16. In these - * cases we need to make sure that these instructions have their exec sizes - * set properly when they are emitted and we can't rely on this code to fix - * it. + * small registers, it can be useful for us to automatically reduce it to + * match the register size. */ - bool fix_exec_size; - if (devinfo->gen >= 6) - fix_exec_size = dest.width < BRW_EXECUTE_4; - else - fix_exec_size = dest.width < BRW_EXECUTE_8; + if (p->automatic_exec_sizes) { + /* + * In platforms that support fp64 we can emit instructions with a width + * of 4 that need two SIMD8 registers and an exec_size of 8 or 16. In + * these cases we need to make sure that these instructions have their + * exec sizes set properly when they are emitted and we can't rely on + * this code to fix it. + */ + bool fix_exec_size; + if (devinfo->gen >= 6) + fix_exec_size = dest.width < BRW_EXECUTE_4; + else + fix_exec_size = dest.width < BRW_EXECUTE_8; - if (fix_exec_size) - brw_inst_set_exec_size(devinfo, inst, dest.width); + if (fix_exec_size) + brw_inst_set_exec_size(devinfo, inst, dest.width); + } } void |