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| author | Alan Modra <amodra@gmail.com> | 2013-08-17 18:31:45 +0930 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2013-10-04 10:35:43 +0930 |
| commit | 7b88401f3b25325b1381798a0eccb3efe7751fec (patch) | |
| tree | 862973bae84d0411a612406f7801529f1e3caf45 /sysdeps/powerpc/sysdep.h | |
| parent | 9c008155b7d5d1bd81d909497850a2ece28aec50 (diff) | |
| download | glibc-7b88401f3b25325b1381798a0eccb3efe7751fec.zip glibc-7b88401f3b25325b1381798a0eccb3efe7751fec.tar.gz glibc-7b88401f3b25325b1381798a0eccb3efe7751fec.tar.bz2 | |
PowerPC floating point little-endian [12 of 15]
http://sourceware.org/ml/libc-alpha/2013-08/msg00087.html
Fixes for little-endian in 32-bit assembly.
* sysdeps/powerpc/sysdep.h (LOWORD, HIWORD, HISHORT): Define.
* sysdeps/powerpc/powerpc32/fpu/s_copysign.S: Load little-endian
words of double from correct stack offsets.
* sysdeps/powerpc/powerpc32/fpu/s_copysignl.S: Likewise.
* sysdeps/powerpc/powerpc32/fpu/s_lrint.S: Likewise.
* sysdeps/powerpc/powerpc32/fpu/s_lround.S: Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/s_llrint.S: Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/s_llrintf.S: Likewise.
* sysdeps/powerpc/powerpc32/power5+/fpu/s_llround.S: Likewise.
* sysdeps/powerpc/powerpc32/power5+/fpu/s_lround.S: Likewise.
* sysdeps/powerpc/powerpc32/power5/fpu/s_isnan.S: Likewise.
* sysdeps/powerpc/powerpc32/power6/fpu/s_isnan.S: Likewise.
* sysdeps/powerpc/powerpc32/power6/fpu/s_llrint.S: Likewise.
* sysdeps/powerpc/powerpc32/power6/fpu/s_llrintf.S: Likewise.
* sysdeps/powerpc/powerpc32/power6/fpu/s_llround.S: Likewise.
* sysdeps/powerpc/powerpc32/power7/fpu/s_finite.S: Likewise.
* sysdeps/powerpc/powerpc32/power7/fpu/s_isinf.S: Likewise.
* sysdeps/powerpc/powerpc32/power7/fpu/s_isnan.S: Likewise.
* sysdeps/powerpc/powerpc64/power7/fpu/s_finite.S: Use HISHORT.
* sysdeps/powerpc/powerpc64/power7/fpu/s_isinf.S: Likewise.
Diffstat (limited to 'sysdeps/powerpc/sysdep.h')
| -rw-r--r-- | sysdeps/powerpc/sysdep.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sysdeps/powerpc/sysdep.h b/sysdeps/powerpc/sysdep.h index 1b5334a..bc2cb66 100644 --- a/sysdeps/powerpc/sysdep.h +++ b/sysdeps/powerpc/sysdep.h @@ -144,6 +144,21 @@ #define VRSAVE 256 +/* The 32-bit words of a 64-bit dword are at these offsets in memory. */ +#if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN +# define LOWORD 0 +# define HIWORD 4 +#else +# define LOWORD 4 +# define HIWORD 0 +#endif + +/* The high 16-bit word of a 64-bit dword is at this offset in memory. */ +#if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN +# define HISHORT 6 +#else +# define HISHORT 0 +#endif /* This seems to always be the case on PPC. */ #define ALIGNARG(log2) log2 |