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science/cdo: fix build on powerpc64le, powerpc64 with CPUTYPE=power6 and newer with Clang

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Clang doesn't have __fsel function.
Taken from https://gcc.gnu.org/git/?p=gcc.git;a=blob;f=gcc/config/rs6000/ppu_intrinsics.h;h=e17faae05932e33c22697a3178b26314b88c9a31;hb=HEAD#l530
This commit is contained in:
Piotr Kubaj 2021-02-16 16:42:28 +00:00
parent 6f7b90d884
commit bffe69af05
Notes: svn2git 2021-03-31 03:12:20 +00:00 
svn path=/head/; revision=565415
1 changed files with 31 additions and 0 deletions
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science/cdo/files/patch-libcdi_src_cgribexlib.c Normal file
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@ -0,0 +1,31 @@
--- libcdi/src/cgribexlib.c.orig 2021-02-16 14:56:42 UTC
+++ libcdi/src/cgribexlib.c
@@ -10,7 +10,7 @@
#pragma GCC diagnostic warning "-Wstrict-overflow"
#endif
-#ifdef _ARCH_PWR6
+#if defined(_ARCH_PWR6) && defined(__GLIBC__)
#pragma options nostrict
#include <ppu_intrinsics.h>
#endif
@@ -726,6 +726,19 @@ void sse2_minmax_val_double(const double *restrict buf
#endif // SIMD
#if defined(_ARCH_PWR6)
+
+#ifndef __fsel
+static __inline__ double __fsel(double x, double y, double z)
+ __attribute__((always_inline));
+static __inline__ double
+__fsel(double x, double y, double z)
+{
+ double r;
+ __asm__("fsel %0,%1,%2,%3" : "=d"(r) : "d"(x),"d"(y),"d"(z));
+ return r;
+}
+#endif
+
static
void pwr6_minmax_val_double_unrolled6(const double *restrict data, size_t datasize, double *fmin, double *fmax)
{