diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_opt_algebraic.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/gallium/drivers/vc4/vc4_opt_algebraic.c b/src/gallium/drivers/vc4/vc4_opt_algebraic.c index 4155e72fd21..e247f302ee9 100644 --- a/src/gallium/drivers/vc4/vc4_opt_algebraic.c +++ b/src/gallium/drivers/vc4/vc4_opt_algebraic.c @@ -91,6 +91,22 @@ qir_opt_algebraic(struct vc4_compile *c) defs[inst->dst.index] = inst; switch (inst->op) { + case QOP_SF: + /* SF just looks at the sign bit, or whether all the + * bits are 0. This is preserved across an itof + * transformation. + */ + if (inst->src[0].file == QFILE_TEMP && + defs[inst->src[0].index]->op == QOP_ITOF) { + dump_from(c, inst); + inst->src[0] = + defs[inst->src[0].index]->src[0]; + progress = true; + dump_to(c, inst); + break; + } + break; + case QOP_SEL_X_Y_ZS: case QOP_SEL_X_Y_ZC: case QOP_SEL_X_Y_NS: |