diff options
Diffstat (limited to 'sysdeps/i386/fpu')
| -rw-r--r-- | sysdeps/i386/fpu/bits/fenv.h | 6 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/bits/mathinline.h | 24 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/fesetenv.c | 8 |
3 files changed, 19 insertions, 19 deletions
diff --git a/sysdeps/i386/fpu/bits/fenv.h b/sysdeps/i386/fpu/bits/fenv.h index 4d06b01be3..cc2aa41634 100644 --- a/sysdeps/i386/fpu/bits/fenv.h +++ b/sysdeps/i386/fpu/bits/fenv.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1997 Free Software Foundation, Inc. +/* Copyright (C) 1997, 1998 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 @@ -52,8 +52,8 @@ enum #define FE_DOWNWARD FE_DOWNWARD FE_UPWARD = 0x800, #define FE_UPWARD FE_UPWARD - FE_TOWARDSZERO = 0xc00 -#define FE_TOWARDSZERO FE_TOWARDSZERO + FE_TOWARDZERO = 0xc00 +#define FE_TOWARDZERO FE_TOWARDZERO }; diff --git a/sysdeps/i386/fpu/bits/mathinline.h b/sysdeps/i386/fpu/bits/mathinline.h index 9917316f7a..77b6cd5e51 100644 --- a/sysdeps/i386/fpu/bits/mathinline.h +++ b/sysdeps/i386/fpu/bits/mathinline.h @@ -39,36 +39,36 @@ better code. */ # define isgreater(x, y) \ ({ register char __result; \ - __asm__ ("fucomip; seta %%al" \ + __asm__ ("fucomip %%st(1), %%st; seta %%al" \ : "=a" (__result) : "u" (y), "t" (x) : "cc", "st"); \ __result; }) # define isgreaterequal(x, y) \ ({ register char __result; \ - __asm__ ("fucomip; setae %%al" \ + __asm__ ("fucomip %%st(1), %%st; setae %%al" \ : "=a" (__result) : "u" (y), "t" (x) : "cc", "st"); \ __result; }) # define isless(x, y) \ ({ register char __result; \ - __asm__ ("fucomip; setb %%al" \ - : "=a" (__result) : "u" (y), "t" (x) : "cc", "st"); \ + __asm__ ("fucomip %%st(1), %%st; seta %%al" \ + : "=a" (__result) : "u" (x), "t" (y) : "cc", "st"); \ __result; }) # define islessequal(x, y) \ ({ register char __result; \ - __asm__ ("fucomip; setbe %%al" \ - : "=a" (__result) : "u" (y), "t" (x) : "cc", "st"); \ + __asm__ ("fucomip %%st(1), %%st; setae %%al" \ + : "=a" (__result) : "u" (x), "t" (y) : "cc", "st"); \ __result; }) # define islessgreater(x, y) \ ({ register char __result; \ - __asm__ ("fucomip; setne %%al" \ + __asm__ ("fucomip %%st(1), %%st; setne %%al" \ : "=a" (__result) : "u" (y), "t" (x) : "cc", "st"); \ __result; }) # define isunordered(x, y) \ ({ register char __result; \ - __asm__ ("fucomip; setp %%al" \ + __asm__ ("fucomip %%st(1), %%st; setp %%al" \ : "=a" (__result) : "u" (y), "t" (x) : "cc", "st"); \ __result; }) # else @@ -87,14 +87,14 @@ # define isless(x, y) \ ({ register char __result; \ - __asm__ ("fucompp; fnstsw; sahf; setb %%al" \ - : "=a" (__result) : "u" (y), "t" (x) : "cc", "st", "st(1)"); \ + __asm__ ("fucompp; fnstsw; testb $0x45, %%ah; setz %%al" \ + : "=a" (__result) : "u" (x), "t" (y) : "cc", "st", "st(1)"); \ __result; }) # define islessequal(x, y) \ ({ register char __result; \ - __asm__ ("fucompp; fnstsw; sahf; setbe %%al" \ - : "=a" (__result) : "u" (y), "t" (x) : "cc", "st", "st(1)"); \ + __asm__ ("fucompp; fnstsw; testb $0x05, %%ah; setz %%al" \ + : "=a" (__result) : "u" (x), "t" (y) : "cc", "st", "st(1)"); \ __result; }) # define islessgreater(x, y) \ diff --git a/sysdeps/i386/fpu/fesetenv.c b/sysdeps/i386/fpu/fesetenv.c index e7300ea1e6..3faf01a568 100644 --- a/sysdeps/i386/fpu/fesetenv.c +++ b/sysdeps/i386/fpu/fesetenv.c @@ -1,5 +1,5 @@ /* Install given floating-point environment. - Copyright (C) 1997 Free Software Foundation, Inc. + Copyright (C) 1997, 1998 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. @@ -50,7 +50,7 @@ fesetenv (const fenv_t *envp) } else if (envp == FE_NOMASK_ENV) { - temp.control_word &= ~(FE_ALL_EXCEPT | FE_TOWARDSZERO); + temp.control_word &= ~(FE_ALL_EXCEPT | FE_TOWARDZERO); temp.status_word &= ~FE_ALL_EXCEPT; temp.eip = 0; temp.cs_selector = 0; @@ -60,9 +60,9 @@ fesetenv (const fenv_t *envp) } else { - temp.control_word &= ~(FE_ALL_EXCEPT | FE_TOWARDSZERO); + temp.control_word &= ~(FE_ALL_EXCEPT | FE_TOWARDZERO); temp.control_word |= (envp->control_word - & (FE_ALL_EXCEPT | FE_TOWARDSZERO)); + & (FE_ALL_EXCEPT | FE_TOWARDZERO)); temp.status_word &= ~FE_ALL_EXCEPT; temp.status_word |= envp->status_word & FE_ALL_EXCEPT; temp.eip = envp->eip; |