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pan/midgard: Extend liveness analysis to trinary ops 

Fixes RA fails with multiple indirect SSBO writes.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
This commit is contained in:
Alyssa Rosenzweig 2019-08-09 10:40:01 -07:00
parent c690b37d76
commit 14b5b9ac38
1 changed files with 2 additions and 6 deletions
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8
src/panfrost/midgard/midgard_ra.c
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@ -636,12 +636,8 @@ allocate_registers(compiler_context *ctx, bool *spilled)
* invocations, and if there are none, the source dies
* */
int sources[2] = {
ins->ssa_args.src[0], ins->ssa_args.src[1]
};
for (int src = 0; src < 2; ++src) {
int s = sources[src];
for (int src = 0; src < ARRAY_SIZE(ins->ssa_args.src); ++src) {
int s = ins->ssa_args.src[src];
if (s < 0) continue;