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nir/alu_srcs_negative_equal: bail earlier if possible

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Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Sviatoslav Peleshko <sviatoslav.peleshko@globallogic.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27087>
This commit is contained in:
Lionel Landwerlin 2024-01-16 13:00:13 +02:00
parent 4740ee8d67
commit 873fe637e2
1 changed files with 5 additions and 1 deletions
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6
src/compiler/nir/nir_instr_set.c
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@ -455,13 +455,17 @@ nir_alu_srcs_negative_equal(const nir_alu_instr *alu1,
alu2_swizzle[i] = i;
}
/* Bail early if sources are not equal or we don't have parity. */
if (!parity || !nir_srcs_equal(alu1_actual_src, alu2_actual_src))
return false;
for (unsigned i = 0; i < nir_ssa_alu_instr_src_components(alu1, src1); i++) {
if (alu1_swizzle[alu1->src[src1].swizzle[i]] !=
alu2_swizzle[alu2->src[src2].swizzle[i]])
return false;
}
return parity && nir_srcs_equal(alu1_actual_src, alu2_actual_src);
return true;
}
bool