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| author | rms <rms@138bc75d-0d04-0410-961f-82ee72b054a4> | 1993-05-11 04:42:22 +0000 |
|---|---|---|
| committer | rms <rms@138bc75d-0d04-0410-961f-82ee72b054a4> | 1993-05-11 04:42:22 +0000 |
| commit | a06dece2dca2ff620b857210db8cce5d01ea208b (patch) | |
| tree | 3b2353e3282207922f59e925f48062ca493d3cdf /gcc/libgcc2.c | |
| parent | ee6d4b2a72d74858cd345ed1f6de151e642877a8 (diff) | |
| download | gcc-a06dece2dca2ff620b857210db8cce5d01ea208b.tar.gz | |
(__floatdisf): Use DFtype for intermediate values.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@4421 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/libgcc2.c')
| -rw-r--r-- | gcc/libgcc2.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/libgcc2.c b/gcc/libgcc2.c index 433627edf90..9dcccbe3d01 100644 --- a/gcc/libgcc2.c +++ b/gcc/libgcc2.c @@ -1018,7 +1018,10 @@ SFtype __floatdisf (u) DItype u; { - SFtype f; + /* Do the calculation in DFmode + so that we don't lose any of the precision of the high word + while multiplying it. */ + DFtype f; SItype negate = 0; if (u < 0) @@ -1029,7 +1032,7 @@ __floatdisf (u) f *= HIGH_HALFWORD_COEFF; f += (USItype) (u & (HIGH_WORD_COEFF - 1)); - return (negate ? -f : f); + return (SFtype) (negate ? -f : f); } #endif |