diff options
| author | bde <bde@FreeBSD.org> | 2002-06-01 17:39:46 +0000 |
|---|---|---|
| committer | bde <bde@FreeBSD.org> | 2002-06-01 17:39:46 +0000 |
| commit | dee070ee6ebd2cd6a3ee6cbb6a1b2ccbc675c27e (patch) | |
| tree | 0877d24fee87fa10496985fc95f978bcbe49719d /sys/amd64/include/floatingpoint.h | |
| parent | acb72828eebaf8273141606122f43a400a0214b8 (diff) | |
| download | FreeBSD-src-dee070ee6ebd2cd6a3ee6cbb6a1b2ccbc675c27e.zip FreeBSD-src-dee070ee6ebd2cd6a3ee6cbb6a1b2ccbc675c27e.tar.gz | |
Fixed the return value of fpsetmask(). The API requires inversion of the
mask on both input and output to fpsetmask(), but this was only done for
input, so fpsetmask() returned the complement of the old mask (ANDed with
the mask bitfield).
PR: 38170
MFC after: 4 weeks
Diffstat (limited to 'sys/amd64/include/floatingpoint.h')
| -rw-r--r-- | sys/amd64/include/floatingpoint.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/amd64/include/floatingpoint.h b/sys/amd64/include/floatingpoint.h index cea1691..56c781a 100644 --- a/sys/amd64/include/floatingpoint.h +++ b/sys/amd64/include/floatingpoint.h @@ -119,7 +119,8 @@ __fpsetreg(int _m, int _reg, int _fld, int _off) #define fpgetmask() ((fp_except_t) \ ((~__fpgetreg(FP_MSKS_REG) & FP_MSKS_FLD) >> FP_MSKS_OFF)) #define fpsetmask(m) ((fp_except_t) \ - (__fpsetreg(~(m), FP_MSKS_REG, FP_MSKS_FLD, FP_MSKS_OFF))) + (~__fpsetreg(~(m), FP_MSKS_REG, FP_MSKS_FLD, FP_MSKS_OFF)) & \ + (FP_MSKS_FLD >> FP_MSKS_OFF)) #define fpgetsticky() ((fp_except_t) \ ((__fpgetreg(FP_STKY_REG) & FP_STKY_FLD) >> FP_STKY_OFF)) #define fpresetsticky(m) ((fp_except_t) \ |
