[Mesa-dev] [PATCH] gallivm: allow arch rounding with avx512

Tim Rowley timothy.o.rowley at intel.com
Wed Nov 1 19:17:09 UTC 2017


Fixes piglit vs-roundeven-{float,vec[234]} with simd16 VS.
---
 src/gallium/auxiliary/gallivm/lp_bld_arit.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/gallium/auxiliary/gallivm/lp_bld_arit.c b/src/gallium/auxiliary/gallivm/lp_bld_arit.c
index cf1958b3b6..a1edd349f1 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_arit.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_arit.c
@@ -1953,7 +1953,8 @@ arch_rounding_available(const struct lp_type type)
 {
    if ((util_cpu_caps.has_sse4_1 &&
        (type.length == 1 || type.width*type.length == 128)) ||
-       (util_cpu_caps.has_avx && type.width*type.length == 256))
+       (util_cpu_caps.has_avx && type.width*type.length == 256) ||
+       (util_cpu_caps.has_avx512f && type.width*type.length == 512))
       return TRUE;
    else if ((util_cpu_caps.has_altivec &&
             (type.width == 32 && type.length == 4)))
-- 
2.14.1



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