diff options
| author | Hugh Graham <hugh@cvs.openbsd.org> | 2001-04-18 11:53:40 +0000 |
|---|---|---|
| committer | Hugh Graham <hugh@cvs.openbsd.org> | 2001-04-18 11:53:40 +0000 |
| commit | 54c22b4e455c4ee5bf806552c61fe0e104eca7e1 (patch) | |
| tree | 89d43686c1fa148bc138ceca6563994682f81d00 | |
| parent | 333fd2a223850c59c490c2a30350bb5883f1586a (diff) | |
Most of the systems we run on require an emulated EMODD, so avoid using
it if a CVTDL would do instead. This path is 80x faster on such systems,
and falling back to EMODD if necessary hurts little.
Helps programs like nawk, a heavy modf user.
| -rw-r--r-- | lib/libc/arch/vax/gen/modf.S | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/lib/libc/arch/vax/gen/modf.S b/lib/libc/arch/vax/gen/modf.S index 0caa0aaef97..06a05b6bf91 100644 --- a/lib/libc/arch/vax/gen/modf.S +++ b/lib/libc/arch/vax/gen/modf.S @@ -33,7 +33,7 @@ #if defined(LIBC_SCCS) .text - .asciz "$OpenBSD: modf.S,v 1.3 2001/03/18 07:29:04 bjc Exp $" + .asciz "$OpenBSD: modf.S,v 1.4 2001/04/18 11:53:39 hugh Exp $" #endif /* LIBC_SCCS */ /* @@ -47,8 +47,14 @@ #include "DEFS.h" ENTRY(modf, R2) + cvtdl 4(ap),r2 + bvs 0f + cvtld r2,*12(ap) + subd3 *12(ap),4(ap),r0 + ret +0: emodd 4(ap),$0,$0f1.0,r2,r0 - jvs 1f # integer overflow + bvs 1f # integer overflow cvtld r2,*12(ap) ret 1: |