diff options
Diffstat (limited to 'sysdeps')
-rw-r--r-- | sysdeps/i386/fpu/e_scalbl.S | 16 | ||||
-rw-r--r-- | sysdeps/x86_64/fpu/e_scalbl.S | 13 |
2 files changed, 6 insertions, 23 deletions
diff --git a/sysdeps/i386/fpu/e_scalbl.S b/sysdeps/i386/fpu/e_scalbl.S index d10b22ea83..896f599cb0 100644 --- a/sysdeps/i386/fpu/e_scalbl.S +++ b/sysdeps/i386/fpu/e_scalbl.S @@ -45,7 +45,7 @@ ENTRY(__ieee754_scalbl) fnstsw andl $0x4500, %eax cmpl $0x0100, %eax - je 3f + je 2f fld %st(1) frndint fcomp %st(2) @@ -76,18 +76,8 @@ ENTRY(__ieee754_scalbl) fldl MOX(zero_nan, %eax, 1) ret - /* The result is NaN, but we must not raise an exception. - So use a variable. */ -2: fstp %st - fstp %st -#ifdef PIC - LOAD_PIC_REG (cx) -#endif - fldl MO(nan) - ret - - /* The first parameter is a NaN. Return it. */ -3: fstp %st(1) + /* The result is NaN; raise an exception for sNaN arguments. */ +2: faddp ret /* Return NaN and raise the invalid exception. */ diff --git a/sysdeps/x86_64/fpu/e_scalbl.S b/sysdeps/x86_64/fpu/e_scalbl.S index 331bee580c..2982dc3b9e 100644 --- a/sysdeps/x86_64/fpu/e_scalbl.S +++ b/sysdeps/x86_64/fpu/e_scalbl.S @@ -44,7 +44,7 @@ ENTRY(__ieee754_scalbl) fnstsw andl $0x4500, %eax cmpl $0x0100, %eax - je 3f + je 2f fld %st(1) frndint fcomip %st(2), %st @@ -75,15 +75,8 @@ ENTRY(__ieee754_scalbl) #endif ret - /* The result is NaN, but we must not raise an exception. - So use a variable. */ -2: fstp %st - fstp %st - fldl MO(nan) - ret - - /* The first parameter is a NaN. Return it. */ -3: fstp %st(1) + /* The result is NaN; raise an exception for sNaN arguments. */ +2: faddp ret /* Return NaN and raise the invalid exception. */ |