diff options
Diffstat (limited to 'sysdeps/libm-i387/s_ceil.S')
| -rw-r--r-- | sysdeps/libm-i387/s_ceil.S | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/sysdeps/libm-i387/s_ceil.S b/sysdeps/libm-i387/s_ceil.S index eabe662a6c..a500b07d31 100644 --- a/sysdeps/libm-i387/s_ceil.S +++ b/sysdeps/libm-i387/s_ceil.S @@ -13,10 +13,14 @@ ENTRY(__ceil) subl $8,%esp fstcw -4(%ebp) /* store fpu control word */ - movw -4(%ebp),%dx - orw $0x0800,%dx /* round towards +oo */ - andw $0xfbff,%dx - movw %dx,-8(%ebp) + + /* We use here %edx although only the low 1 bits are defined. + But none of the operations should care and they are faster + than the 16 bit operations. */ + movl -4(%ebp),%edx + orl $0x0800,%edx /* round towards +oo */ + andl $0xfbff,%edx + movl %edx,-8(%ebp) fldcw -8(%ebp) /* load modfied control word */ fldl 8(%ebp); /* round */ @@ -26,4 +30,5 @@ ENTRY(__ceil) leave ret +PSEUDO_END (__ceil) weak_alias (__ceil, ceil) |