LLVM uses the single instruction "FRINTI" to implement llvm.nearbyint. Fixes the rounding tests of lp_test_arit.
Bug: https://bugs.gentoo.org/665570 --- src/gallium/auxiliary/gallivm/lp_bld_arit.c | 4 +++- src/gallium/drivers/llvmpipe/lp_test_arit.c | 3 ++- 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, -- 2.19.2 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev
