101 lines
3.2 KiB
Diff
101 lines
3.2 KiB
Diff
Create e5500 specific math_private.h and let it include when compiling for e5500/64bit core
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We prefefine __CPU_HAS_FSQRT to 0 and then in general ppc64 math_private.h we check if its
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already defined before redefining it. This way we can ensure that on e5500 builds it wont
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emit fsqrt intructions
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-Khem
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Upstream-Status: Pending
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Index: libc/sysdeps/powerpc/fpu/math_private.h
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===================================================================
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--- libc.orig/sysdeps/powerpc/fpu/math_private.h
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+++ libc/sysdeps/powerpc/fpu/math_private.h
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@@ -25,10 +25,12 @@
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#include <dl-procinfo.h>
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#include_next <math_private.h>
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-# if __WORDSIZE == 64 || defined _ARCH_PWR4
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-# define __CPU_HAS_FSQRT 1
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-# else
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-# define __CPU_HAS_FSQRT ((GLRO(dl_hwcap) & PPC_FEATURE_64) != 0)
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+# ifndef __CPU_HAS_FSQRT
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+# if __WORDSIZE == 64 || defined _ARCH_PWR4
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+# define __CPU_HAS_FSQRT 1
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+# else
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+# define __CPU_HAS_FSQRT ((GLRO(dl_hwcap) & PPC_FEATURE_64) != 0)
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+# endif
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# endif
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extern double __slow_ieee754_sqrt (double);
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Index: libc/ports/sysdeps/powerpc/powerpc64/e5500/fpu/math_private.h
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===================================================================
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--- /dev/null
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+++ libc/ports/sysdeps/powerpc/powerpc64/e5500/fpu/math_private.h
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@@ -0,0 +1,9 @@
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+#ifndef _E5500_MATH_PRIVATE_H_
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+#define _E5500_MATH_PRIVATE_H_ 1
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+/* E5500 core FPU does not implement
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+ fsqrt */
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+
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+#define __CPU_HAS_FSQRT 0
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+#include_next <math_private.h>
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+
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+#endif /* _E5500_MATH_PRIVATE_H_ */
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Index: libc/ports/sysdeps/powerpc/powerpc64/e6500/fpu/math_private.h
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===================================================================
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--- /dev/null
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+++ libc/ports/sysdeps/powerpc/powerpc64/e6500/fpu/math_private.h
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@@ -0,0 +1,9 @@
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+#ifndef _E6500_MATH_PRIVATE_H_
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+#define _E6500_MATH_PRIVATE_H_ 1
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+/* E6500 core FPU does not implement
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+ fsqrt */
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+
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+#define __CPU_HAS_FSQRT 0
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+#include_next <math_private.h>
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+
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+#endif /* _E6500_MATH_PRIVATE_H_ */
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Index: libc/ports/sysdeps/powerpc/powerpc32/e500mc/fpu/math_private.h
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===================================================================
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--- /dev/null
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+++ libc/ports/sysdeps/powerpc/powerpc32/e500mc/fpu/math_private.h
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@@ -0,0 +1,9 @@
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+#ifndef _E500MC_MATH_PRIVATE_H_
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+#define _E500MC_MATH_PRIVATE_H_ 1
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+/* E500MC core FPU does not implement
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+ fsqrt */
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+
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+#define __CPU_HAS_FSQRT 0
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+#include_next <math_private.h>
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+
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+#endif /* _E500MC_MATH_PRIVATE_H_ */
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Index: libc/ports/sysdeps/powerpc/powerpc32/e5500/fpu/math_private.h
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===================================================================
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--- /dev/null
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+++ libc/ports/sysdeps/powerpc/powerpc32/e5500/fpu/math_private.h
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@@ -0,0 +1,9 @@
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+#ifndef _E5500_MATH_PRIVATE_H_
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+#define _E5500_MATH_PRIVATE_H_ 1
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+/* E5500 core FPU does not implement
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+ fsqrt */
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+
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+#define __CPU_HAS_FSQRT 0
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+#include_next <math_private.h>
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+
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+#endif /* _E5500_MATH_PRIVATE_H_ */
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Index: libc/ports/sysdeps/powerpc/powerpc32/e6500/fpu/math_private.h
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===================================================================
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--- /dev/null
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+++ libc/ports/sysdeps/powerpc/powerpc32/e6500/fpu/math_private.h
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@@ -0,0 +1,9 @@
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+#ifndef _E6500_MATH_PRIVATE_H_
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+#define _E6500_MATH_PRIVATE_H_ 1
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+/* E6500 core FPU does not implement
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+ fsqrt */
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+
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+#define __CPU_HAS_FSQRT 0
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+#include_next <math_private.h>
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+
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+#endif /* _E6500_MATH_PRIVATE_H_ */
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