diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc32/fpu/s_trunc.S')
| -rw-r--r-- | sysdeps/powerpc/powerpc32/fpu/s_trunc.S | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/sysdeps/powerpc/powerpc32/fpu/s_trunc.S b/sysdeps/powerpc/powerpc32/fpu/s_trunc.S index 08acc00cb2..a4be651f8c 100644 --- a/sysdeps/powerpc/powerpc32/fpu/s_trunc.S +++ b/sysdeps/powerpc/powerpc32/fpu/s_trunc.S @@ -26,12 +26,20 @@ TWO52.0: .long 0x43300000 .long 0 + .type NEGZERO.0,@object + .size NEGZERO.0,8 +NEGZERO.0: + .long 0x80000000 + .long 0 .section .rodata.cst8,"aM",@progbits,8 .align 3 .LC0: /* 2**52 */ .long 0x43300000 .long 0 +.LC1: /* -0.0 */ + .long 0x80000000 + .long 0 /* double [fp1] trunc (double x [fp1]) IEEE 1003.1 trunc function. IEEE specifies "trunc to the integer @@ -62,18 +70,23 @@ ENTRY (__trunc) ble- cr6,.L4 fadd fp1,fp1,fp13 /* x+= TWO52; */ fsub fp1,fp1,fp13 /* x-= TWO52; */ - fabs fp1,fp1 /* if (x == 0.0) */ - /* x = 0.0; */ +.L9: mtfsf 0x01,fp11 /* restore previous truncing mode. */ blr .L4: bge- cr6,.L9 /* if (x < 0.0) */ fsub fp1,fp1,fp13 /* x-= TWO52; */ fadd fp1,fp1,fp13 /* x+= TWO52; */ - fnabs fp1,fp1 /* if (x == 0.0) */ - /* x = -0.0; */ -.L9: + fcmpu cr5,fp1,fp12 /* if (x > 0.0) */ mtfsf 0x01,fp11 /* restore previous rounding mode. */ + bnelr+ cr5 +#ifdef SHARED + lwz r9,.LC1@got(10) + lfd fp1,0(r9) +#else + lis r9,.LC1@ha + lfd fp1,.LC1@l(r9) +#endif blr END (__trunc) |