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| author |   kettenis <kettenis@openbsd.org> | 2012-08-30 16:10:32 +0000 |
|---|---|---|
| committer | kettenis <kettenis@openbsd.org> | 2012-08-30 16:10:32 +0000 |
| commit | fd55105b5e8e6d33fc812901c70466c01005fc77 (patch) | |
| tree | 7cc73f7cf6a55be6a13a7f363601e3f5a16079df | |
| parent | sync (diff) | |
| download | wireguard-openbsd-fd55105b5e8e6d33fc812901c70466c01005fc77.tar.xz wireguard-openbsd-fd55105b5e8e6d33fc812901c70466c01005fc77.zip | |
Use an explicit suffix for the "fld" instruction to shut up clang. The correct
instruction is fldl sinze we try to load a double-precision value.
GCC actually gets it wrong and emits "flds" (which is harmless).
Pointed out by Brad. ok guenther@
| -rw-r--r-- | sys/arch/amd64/amd64/fpu.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/arch/amd64/amd64/fpu.c b/sys/arch/amd64/amd64/fpu.c index 779a713a398..6322bfe0579 100644 --- a/sys/arch/amd64/amd64/fpu.c +++ b/sys/arch/amd64/amd64/fpu.c @@ -1,4 +1,4 @@ -/* $OpenBSD: fpu.c,v 1.26 2011/07/11 15:40:47 guenther Exp $ */ +/* $OpenBSD: fpu.c,v 1.27 2012/08/30 16:10:32 kettenis Exp $ */ /* $NetBSD: fpu.c,v 1.1 2003/04/26 18:39:28 fvdl Exp $ */ /*- @@ -262,7 +262,7 @@ fpudna(struct cpu_info *ci) * thus leaking other process's execution history. */ fnclex(); - __asm __volatile("ffree %%st(7)\n\tfld %0" : : "m" (zero)); + __asm __volatile("ffree %%st(7)\n\tfldl %0" : : "m" (zero)); fxrstor(sfp); } } |