diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_opt_algebraic.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/gallium/drivers/vc4/vc4_opt_algebraic.c b/src/gallium/drivers/vc4/vc4_opt_algebraic.c index b5cde0511d0..f88a5c17d2a 100644 --- a/src/gallium/drivers/vc4/vc4_opt_algebraic.c +++ b/src/gallium/drivers/vc4/vc4_opt_algebraic.c @@ -117,6 +117,17 @@ qir_opt_algebraic(struct vc4_compile *c) } break; + case QOP_FSUB: + case QOP_SUB: + if (is_zero(c, defs, inst->src[1])) { + dump_from(c, inst); + inst->op = QOP_MOV; + inst->src[1] = c->undef; + progress = true; + dump_to(c, inst); + } + break; + default: break; } |