diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libc/sparc64/fpu/fpu_emu.h | 3 | ||||
| -rw-r--r-- | lib/libc/sparc64/fpu/fpu_mul.c | 4 |
2 files changed, 3 insertions, 4 deletions
diff --git a/lib/libc/sparc64/fpu/fpu_emu.h b/lib/libc/sparc64/fpu/fpu_emu.h index 0d1d16d..0822de8 100644 --- a/lib/libc/sparc64/fpu/fpu_emu.h +++ b/lib/libc/sparc64/fpu/fpu_emu.h @@ -159,7 +159,8 @@ struct fpemu { * Each of these may modify its inputs (f1,f2) and/or the temporary. * Each returns a pointer to the result and/or sets exceptions. */ -#define __fpu_sub(fe) ((fe)->fe_f2.fp_sign ^= 1, __fpu_add(fe)) +#define __fpu_sub(fe) (ISNAN(&(fe)->fe_f2) ? 0 : ((fe)->fe_f2.fp_sign ^= 1), \ + __fpu_add(fe)) #ifdef FPU_DEBUG #define FPE_INSN 0x1 diff --git a/lib/libc/sparc64/fpu/fpu_mul.c b/lib/libc/sparc64/fpu/fpu_mul.c index 173810e..3fe27c4 100644 --- a/lib/libc/sparc64/fpu/fpu_mul.c +++ b/lib/libc/sparc64/fpu/fpu_mul.c @@ -125,10 +125,8 @@ __fpu_mul(fe) * The result is x * y (XOR sign, multiply bits, add exponents). */ ORDER(x, y); - if (ISNAN(y)) { - y->fp_sign ^= x->fp_sign; + if (ISNAN(y)) return (y); - } if (ISINF(y)) { if (ISZERO(x)) return (__fpu_newnan(fe)); |
