diff options
Diffstat (limited to 'sysdeps/alpha/soft-fp/local-soft-fp.h')
| -rw-r--r-- | sysdeps/alpha/soft-fp/local-soft-fp.h | 63 |
1 files changed, 37 insertions, 26 deletions
diff --git a/sysdeps/alpha/soft-fp/local-soft-fp.h b/sysdeps/alpha/soft-fp/local-soft-fp.h index e93a2ad064..d562e0829e 100644 --- a/sysdeps/alpha/soft-fp/local-soft-fp.h +++ b/sysdeps/alpha/soft-fp/local-soft-fp.h @@ -5,40 +5,51 @@ /* Helpers for the Ots functions which receive long double arguments in two integer registers, and return values in $16+$17. */ -#undef _FP_UNPACK_RAW_2 -#define _FP_UNPACK_RAW_2(fs, X, val) \ - do { \ - union _FP_UNION_##fs _flo; \ +#define AXP_UNPACK_RAW_Q(X, val) \ + do { \ + union _FP_UNION_Q _flo; \ _flo.longs.a = val##l; \ _flo.longs.b = val##h; \ - X##_f0 = _flo.bits.frac0; \ - X##_f1 = _flo.bits.frac1; \ - X##_e = _flo.bits.exp; \ - X##_s = _flo.bits.sign; \ + FP_UNPACK_RAW_QP(X, &_flo); \ } while (0) -#undef _FP_PACK_RAW_2 -#define _FP_PACK_RAW_2(fs, val, X) \ - do { \ - union _FP_UNION_##fs _flo; \ - _flo.bits.frac0 = X##_f0; \ - _flo.bits.frac1 = X##_f1; \ - _flo.bits.exp = X##_e; \ - _flo.bits.sign = X##_s; \ - val##l = _flo.longs.a; \ - val##h = _flo.longs.b; \ +#define AXP_UNPACK_SEMIRAW_Q(X, val) \ + do { \ + union _FP_UNION_Q _flo; \ + _flo.longs.a = val##l; \ + _flo.longs.b = val##h; \ + FP_UNPACK_SEMIRAW_QP(X, &_flo); \ + } while (0) + +#define AXP_UNPACK_Q(X, val) \ + do { \ + AXP_UNPACK_RAW_Q(X, val); \ + _FP_UNPACK_CANONICAL(Q, 2, X); \ + } while (0) + +#define AXP_PACK_RAW_Q(val, X) FP_PACK_RAW_QP(&val##_flo, X) + +#define AXP_PACK_SEMIRAW_Q(val, X) \ + do { \ + _FP_PACK_SEMIRAW(Q, 2, X); \ + AXP_PACK_RAW_Q(val, X); \ } while (0) -#define FP_DECL_RETURN(X) \ - long X##l, X##h +#define AXP_PACK_Q(val, X) \ + do { \ + _FP_PACK_CANONICAL(Q, 2, X); \ + AXP_PACK_RAW_Q(val, X); \ + } while (0) + +#define AXP_DECL_RETURN_Q(X) union _FP_UNION_Q X##_flo /* ??? We don't have a real way to tell the compiler that we're wanting to return values in $16+$17. Instead use a volatile asm to make sure that the values are live, and just hope that nothing kills the values in between here and the end of the function. */ -#define FP_RETURN(X) \ -do { \ - register long r16 __asm__("16") = X##l; \ - register long r17 __asm__("17") = X##h; \ - asm volatile ("" : : "r"(r16), "r"(r17)); \ -} while (0) +#define AXP_RETURN_Q(X) \ + do { \ + register long r16 __asm__("16") = X##_flo.longs.a; \ + register long r17 __asm__("17") = X##_flo.longs.b; \ + asm volatile ("" : : "r"(r16), "r"(r17)); \ + } while (0) |