diff options
Diffstat (limited to 'src/gallium/drivers/r300')
| -rw-r--r-- | src/gallium/drivers/r300/compiler/radeon_optimize.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/compiler/radeon_optimize.c b/src/gallium/drivers/r300/compiler/radeon_optimize.c index b7a0e20797c..2d799a6547a 100644 --- a/src/gallium/drivers/r300/compiler/radeon_optimize.c +++ b/src/gallium/drivers/r300/compiler/radeon_optimize.c @@ -681,6 +681,20 @@ static void omod_filter_reader_cb( } } +static void omod_filter_writer_cb( + void * userdata, + struct rc_instruction * inst, + rc_register_file file, + unsigned int index, + unsigned int mask) +{ + struct peephole_mul_cb_data * d = userdata; + if (file == d->Writer->File && index == d->Writer->Index && + (mask & d->Writer->WriteMask)) { + d->Clobbered = 1; + } +} + static int peephole_mul_omod( struct radeon_compiler * c, struct rc_instruction * inst_mul, @@ -788,6 +802,8 @@ static int peephole_mul_omod( inst = inst->Prev) { rc_for_all_reads_mask(inst, omod_filter_reader_cb, &cb_data); + rc_for_all_writes_mask(inst, omod_filter_writer_cb, + &cb_data); if (cb_data.Clobbered) { break; } |