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gallivm: Use new LLVM fast-math-flags API

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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>
This commit is contained in:
Tobias Droste 2017-11-08 10:44:19 +01:00 • committed by Michel Dänzer
parent d5a641106b
commit 5d61fa4e68
1 changed files with 4 additions and 0 deletions
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4
src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
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@ -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;
}