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authorMatt Turner <[email protected]>2019-01-22 15:06:38 -0800
committerMatt Turner <[email protected]>2019-01-24 11:07:24 -0800
commit70a7ece035785978167fe0019b6ff603415b1f3b (patch)
tree473c4590a37e5af830a9ecad2e95baf5202f01ab /src
parent385ee7c3d0536424eb9822fe873d4410b831cbfe (diff)
gallivm: Return true from arch_rounding_available() if NEON is available
LLVM uses the single instruction "FRINTI" to implement llvm.nearbyint. Fixes the rounding tests of lp_test_arit. Bug: https://bugs.gentoo.org/665570 Reviewed-by: Roland Scheidegger <[email protected]>
Diffstat (limited to 'src')
-rw-r--r--src/gallium/auxiliary/gallivm/lp_bld_arit.c4
-rw-r--r--src/gallium/drivers/llvmpipe/lp_test_arit.c3
2 files changed, 5 insertions, 2 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_arit.c b/src/gallium/auxiliary/gallivm/lp_bld_arit.c
index c050bfdb936..057c50ed278 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_arit.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_arit.c
@@ -1992,6 +1992,8 @@ arch_rounding_available(const struct lp_type type)
else if ((util_cpu_caps.has_altivec &&
(type.width == 32 && type.length == 4)))
return TRUE;
+ else if (util_cpu_caps.has_neon)
+ return TRUE;
return FALSE;
}
@@ -2099,7 +2101,7 @@ lp_build_round_arch(struct lp_build_context *bld,
LLVMValueRef a,
enum lp_build_round_mode mode)
{
- if (util_cpu_caps.has_sse4_1) {
+ if (util_cpu_caps.has_sse4_1 || util_cpu_caps.has_neon) {
LLVMBuilderRef builder = bld->gallivm->builder;
const struct lp_type type = bld->type;
const char *intrinsic_root;
diff --git a/src/gallium/drivers/llvmpipe/lp_test_arit.c b/src/gallium/drivers/llvmpipe/lp_test_arit.c
index acba7ed44a8..eb3f67dc1fe 100644
--- a/src/gallium/drivers/llvmpipe/lp_test_arit.c
+++ b/src/gallium/drivers/llvmpipe/lp_test_arit.c
@@ -458,7 +458,8 @@ test_unary(unsigned verbose, FILE *fp, const struct unary_test_t *test, unsigned
continue;
}
- if (test->ref == &nearbyintf && length == 2 &&
+ if (!util_cpu_caps.has_neon &&
+ test->ref == &nearbyintf && length == 2 &&
ref != roundf(testval)) {
/* FIXME: The generic (non SSE) path in lp_build_iround, which is
* always taken for length==2 regardless of native round support,