diff options
Diffstat (limited to 'sysdeps/i386')
| -rw-r--r-- | sysdeps/i386/fpu/libm-test-ulps | 7 | ||||
| -rw-r--r-- | sysdeps/i386/stackinfo.h | 12 |
2 files changed, 18 insertions, 1 deletions
diff --git a/sysdeps/i386/fpu/libm-test-ulps b/sysdeps/i386/fpu/libm-test-ulps index 4efc714b29..5231789be1 100644 --- a/sysdeps/i386/fpu/libm-test-ulps +++ b/sysdeps/i386/fpu/libm-test-ulps @@ -453,6 +453,10 @@ Test "exp10 (3) == 1000": ildouble: 8 ldouble: 8 +# expm1 +Test "expm1 (1) == M_El - 1.0": +ildouble: 1 + # gamma Test "gamma (-0.5) == log(2*sqrt(pi))": double: 1 @@ -1134,6 +1138,9 @@ Function: "exp10": ildouble: 8 ldouble: 8 +Function: "expm1": +ildouble: 1 + Function: "gamma": double: 1 idouble: 1 diff --git a/sysdeps/i386/stackinfo.h b/sysdeps/i386/stackinfo.h index a9a6745aaf..2530ea7234 100644 --- a/sysdeps/i386/stackinfo.h +++ b/sysdeps/i386/stackinfo.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1999 Free Software Foundation, Inc. +/* Copyright (C) 1999, 2009 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -25,4 +25,14 @@ /* On x86 the stack grows down. */ #define _STACK_GROWS_DOWN 1 +/* Access to the stack pointer. The macros are used in alloca_account + for which they need to act as barriers as well, hence the additional + (unnecessary) parameters. */ +#define stackinfo_get_sp() \ + ({ void *p__; asm volatile ("mov %%esp, %0" : "=r" (p__)); p__; }) +#define stackinfo_sub_sp(ptr) \ + ({ ptrdiff_t d__; \ + asm volatile ("sub %%esp, %0" : "=r" (d__) : "0" (ptr)); \ + d__; }) + #endif /* stackinfo.h */ |