diff options
Diffstat (limited to 'sysdeps/i386/fpu/e_atanhf.S')
| -rw-r--r-- | sysdeps/i386/fpu/e_atanhf.S | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/sysdeps/i386/fpu/e_atanhf.S b/sysdeps/i386/fpu/e_atanhf.S index 0021d9c47d..1c8969e5ec 100644 --- a/sysdeps/i386/fpu/e_atanhf.S +++ b/sysdeps/i386/fpu/e_atanhf.S @@ -36,6 +36,13 @@ limit: .double 0.29 ln2_2: .tfloat 0.3465735902799726547086160 ASM_SIZE_DIRECTIVE(ln2_2) + .section .rodata.cst4,"aM",@progbits,4 + + .p2align 2 + .type flt_min,@object +flt_min: .byte 0, 0, 0x80, 0 + ASM_SIZE_DIRECTIVE(flt_min) + #ifdef PIC #define MO(op) op##@GOTOFF(%edx) #else @@ -77,7 +84,18 @@ ENTRY(__ieee754_atanhf) sahf jae 4f fyl2xp1 // 0.5*ln2*ld(1+2*|x|+(2*|x|^2)/(1-|x|)) - jecxz 3f + fcoms MO(flt_min) + fnstsw + sahf + jae 6f + subl $4, %esp + cfi_adjust_cfa_offset (4) + fld %st(0) + fmul %st(0) + fstps (%esp) + addl $4, %esp + cfi_adjust_cfa_offset (-4) +6: jecxz 3f fchs // 0.5*ln2*ld(1+2*x+(2*x^2)/(1-x)) 3: ret |