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| author | Adrian Bunk <bunk@r063144.stusta.swh.mhn.de> | 2006-03-20 18:30:36 +0100 |
|---|---|---|
| committer | Adrian Bunk <bunk@r063144.stusta.swh.mhn.de> | 2006-03-20 18:30:36 +0100 |
| commit | 0f76ee451484d02c7405d92e7bceb39b415abb01 (patch) | |
| tree | 9722f84281f786ba48971dde057f5171a49969e4 /arch/mips/math-emu/dp_simple.c | |
| parent | 01d206a7c1167639f6ca6dac22140fbdca017558 (diff) | |
| parent | 7705a8792b0fc82fd7d4dd923724606bbfd9fb20 (diff) | |
| download | op-kernel-dev-0f76ee451484d02c7405d92e7bceb39b415abb01.zip op-kernel-dev-0f76ee451484d02c7405d92e7bceb39b415abb01.tar.gz | |
Merge with git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'arch/mips/math-emu/dp_simple.c')
| -rw-r--r-- | arch/mips/math-emu/dp_simple.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/arch/mips/math-emu/dp_simple.c b/arch/mips/math-emu/dp_simple.c index 495c1ac..1c555e6 100644 --- a/arch/mips/math-emu/dp_simple.c +++ b/arch/mips/math-emu/dp_simple.c @@ -48,16 +48,22 @@ ieee754dp ieee754dp_neg(ieee754dp x) CLEARCX; FLUSHXDP; + /* + * Invert the sign ALWAYS to prevent an endless recursion on + * pow() in libc. + */ + /* quick fix up */ + DPSIGN(x) ^= 1; + if (xc == IEEE754_CLASS_SNAN) { + ieee754dp y = ieee754dp_indef(); SETCX(IEEE754_INVALID_OPERATION); - return ieee754dp_nanxcpt(ieee754dp_indef(), "neg"); + DPSIGN(y) = DPSIGN(x); + return ieee754dp_nanxcpt(y, "neg"); } if (ieee754dp_isnan(x)) /* but not infinity */ return ieee754dp_nanxcpt(x, "neg", x); - - /* quick fix up */ - DPSIGN(x) ^= 1; return x; } |
