diff options
Diffstat (limited to 'media-libs/mesa/files/enableFastMath.patch')
| -rw-r--r-- | media-libs/mesa/files/enableFastMath.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/media-libs/mesa/files/enableFastMath.patch b/media-libs/mesa/files/enableFastMath.patch new file mode 100644 index 00000000..ab8a25a1 --- /dev/null +++ b/media-libs/mesa/files/enableFastMath.patch @@ -0,0 +1,43 @@ +From 5d61fa4e68b7eb6d481a37efdbb35fdce675a6ad Mon Sep 17 00:00:00 2001 +From: Tobias Droste <tdroste@gmx.de> +Date: Wed, 8 Nov 2017 10:44:19 +0100 +Subject: gallivm: Use new LLVM fast-math-flags API +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +LLVM 6 changed the API on the fast-math-flags: +https://reviews.llvm.org/rL317488 + +NOTE: This also enables the new flag 'ApproxFunc' to allow for +approximations for library functions (sin, cos, ...). I'm not completly +convinced, that this is something mesa should do. + +Signed-off-by: Tobias Droste <tdroste@gmx.de> +Reviewed-by: Marek Olšák <marek.olsak@amd.com> +Reviewed-and-Tested-by: Michel Dänzer <michel.daenzer@amd.com> +--- + src/gallium/auxiliary/gallivm/lp_bld_misc.cpp | 4 ++++ + 1 file changed, 4 insertions(+) + +(limited to 'src/gallium/auxiliary/gallivm/lp_bld_misc.cpp') + +diff --git a/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp b/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp +index d988910..1319407 100644 +--- a/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp ++++ b/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp +@@ -830,7 +830,11 @@ lp_create_builder(LLVMContextRef ctx, enum lp_float_mode float_mode) + llvm::unwrap(builder)->setFastMathFlags(flags); + break; + case LP_FLOAT_MODE_UNSAFE_FP_MATH: ++#if HAVE_LLVM >= 0x0600 ++ flags.setFast(); ++#else + flags.setUnsafeAlgebra(); ++#endif + llvm::unwrap(builder)->setFastMathFlags(flags); + break; + } +-- +cgit v1.1 + |