[libclc] 39/79: math.h: Set HAVE_HW_FMA32 based on compiler provided macro

[Andreas Boll]

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commit e7fc75dcfb26ef614f72fac0c9077122c8488fd5
Author: Jan Vesely <jan.vesely at rutgers.edu>
Date:   Mon Jan 29 19:05:08 2018 +0000

    math.h: Set HAVE_HW_FMA32 based on compiler provided macro
    
    Fixes sin/cos piglits on non-FMA capable asics.
    Bugzilla: https://bugs.llvm.org/show_bug.cgi?id=35983
    
    Reviewer: Tom Stellard
    Signed-off-by: Jan Vesely <jan.vesely at rutgers.edu>
    
    git-svn-id: https://llvm.org/svn/llvm-project/libclc/trunk@323677 91177308-0d34-0410-b5e6-96231b3b80d8
---
 generic/lib/math/math.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/generic/lib/math/math.h b/generic/lib/math/math.h
index f46c7ea..0a10991 100644
--- a/generic/lib/math/math.h
+++ b/generic/lib/math/math.h
@@ -31,7 +31,12 @@
 #define PNOR 0x100
 #define PINF 0x200
 
+#if (defined __AMDGCN__ | defined __R600__) & !defined __HAS_FMAF__
+#define HAVE_HW_FMA32() (0)
+#else
 #define HAVE_HW_FMA32() (1)
+#endif
+
 #define HAVE_BITALIGN() (0)
 #define HAVE_FAST_FMA32() (0)
 

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