mirror/glibc
2
0
Fork 0
mirror of git://sourceware.org/git/glibc.git synced 2024-12-09 04:11:27 +08:00
Code Issues Packages Projects Releases Wiki Activity

Save/restore fpiar.

Browse Source
This commit is contained in:
Ulrich Drepper 1997-12-14 22:09:13 +00:00
parent 49f3765caf
commit 053ed29047
3 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sysdeps/m68k/fpu/fegetenv.c
View File

@ -23,5 +23,5 @@
void void
fegetenv (fenv_t *envp) fegetenv (fenv_t *envp)
{ {
__asm__ ("fmovem%.l %/fpcr/%/fpsr,%0" : "=m" (*envp)); __asm__ ("fmovem%.l %/fpcr/%/fpsr/%/fpiar,%0" : "=m" (*envp));
} }

2
sysdeps/m68k/fpu/feholdexcpt.c
View File

@ -26,7 +26,7 @@ feholdexcept (fenv_t *envp)
fexcept_t fpcr, fpsr; fexcept_t fpcr, fpsr;
/* Store the environment. */ /* Store the environment. */
__asm__ ("fmovem%.l %/fpcr/%/fpsr,%0" : "=m" (*envp)); __asm__ ("fmovem%.l %/fpcr/%/fpsr/%/fpiar,%0" : "=m" (*envp));
/* Now clear all exceptions. */ /* Now clear all exceptions. */
fpsr = envp->status_register & ~FE_ALL_EXCEPT; fpsr = envp->status_register & ~FE_ALL_EXCEPT;

4
sysdeps/m68k/fpu/fesetenv.c
View File

@ -29,7 +29,7 @@ fesetenv (const fenv_t *envp)
values which we do not want to come from the saved environment. values which we do not want to come from the saved environment.
Therefore, we get the current environment and replace the values Therefore, we get the current environment and replace the values
we want to use from the environment specified by the parameter. */ we want to use from the environment specified by the parameter. */
__asm__ ("fmovem%.l %/fpcr/%/fpsr,%0" : "=m" (*&temp)); __asm__ ("fmovem%.l %/fpcr/%/fpsr/%/fpiar,%0" : "=m" (*&temp));
temp.status_register &= ~FE_ALL_EXCEPT; temp.status_register &= ~FE_ALL_EXCEPT;
temp.control_register &= ~((FE_ALL_EXCEPT << 6) | FE_UPWARD); temp.control_register &= ~((FE_ALL_EXCEPT << 6) | FE_UPWARD);
@ -44,5 +44,5 @@ fesetenv (const fenv_t *envp)
temp.status_register |= envp->status_register & FE_ALL_EXCEPT; temp.status_register |= envp->status_register & FE_ALL_EXCEPT;
} }
__asm__ __volatile__ ("fmovem%.l %0,%/fpcr/%/fpsr" : : "m" (temp)); __asm__ __volatile__ ("fmovem%.l %0,%/fpcr/%/fpsr/%/fpiar" : : "m" (*&temp));
} }