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| author | Paul A. Clarke <pc@us.ibm.com> | 2019-09-19 09:13:14 -0500 |
|---|---|---|
| committer | Paul A. Clarke <pc@us.ibm.com> | 2019-09-27 08:48:56 -0500 |
| commit | e3d85df50b083c9ba68a40f5d45b201cbec4e68b (patch) | |
| tree | f56af21b923f1dcbd3a04137808c01643a2c9b68 /sysdeps/powerpc/fpu/fesetenv.c | |
| parent | 9a44050e745685c1e703b4402ef3df855ef6de80 (diff) | |
| download | glibc-e3d85df50b083c9ba68a40f5d45b201cbec4e68b.tar glibc-e3d85df50b083c9ba68a40f5d45b201cbec4e68b.tar.gz glibc-e3d85df50b083c9ba68a40f5d45b201cbec4e68b.tar.bz2 glibc-e3d85df50b083c9ba68a40f5d45b201cbec4e68b.zip | |
[powerpc] fenv_private.h clean up
fenv_private.h includes unused functions, magic macro constants, and
some replicated common code fragments.
Remove unused functions, replace magic constants with constants from
fenv_libc.h, and refactor replicated code.
Suggested-by: Paul E. Murphy <murphyp@linux.ibm.com>
Reviewed-By: Paul E Murphy <murphyp@linux.ibm.com>
Diffstat (limited to 'sysdeps/powerpc/fpu/fesetenv.c')
| -rw-r--r-- | sysdeps/powerpc/fpu/fesetenv.c | 15 |
1 files changed, 2 insertions, 13 deletions
diff --git a/sysdeps/powerpc/fpu/fesetenv.c b/sysdeps/powerpc/fpu/fesetenv.c index 96f8d99530..949d916d76 100644 --- a/sysdeps/powerpc/fpu/fesetenv.c +++ b/sysdeps/powerpc/fpu/fesetenv.c @@ -28,19 +28,8 @@ __fesetenv (const fenv_t *envp) new.fenv = *envp; old.fenv = fegetenv_status (); - /* If the old env has no enabled exceptions and the new env has any enabled - exceptions, then unmask SIGFPE in the MSR FE0/FE1 bits. This will put the - hardware into "precise mode" and may cause the FPU to run slower on some - hardware. */ - if ((old.l & FPSCR_ENABLES_MASK) == 0 && (new.l & FPSCR_ENABLES_MASK) != 0) - (void) __fe_nomask_env_priv (); - - /* If the old env had any enabled exceptions and the new env has no enabled - exceptions, then mask SIGFPE in the MSR FE0/FE1 bits. This may allow the - FPU to run faster because it always takes the default action and can not - generate SIGFPE. */ - if ((old.l & FPSCR_ENABLES_MASK) != 0 && (new.l & FPSCR_ENABLES_MASK) == 0) - (void)__fe_mask_env (); + __TEST_AND_EXIT_NON_STOP (old.l, new.l); + __TEST_AND_ENTER_NON_STOP (old.l, new.l); fesetenv_register (new.fenv); |