From f23c346e69e293d26fdbb2bd06310b4e261b4749 Mon Sep 17 00:00:00 2001 From: aurel32 Date: Mon, 15 Dec 2008 17:14:27 +0000 Subject: target-ppc: use the new fp functions Signed-off-by: Aurelien Jarno git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6051 c046a42c-6fe2-441c-8c8c-71466251a162 --- target-ppc/op_helper.c | 73 ++++++++++++++++---------------------------------- 1 file changed, 23 insertions(+), 50 deletions(-) (limited to 'target-ppc/op_helper.c') diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c index 20b124a63b..4368df8e4e 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -554,15 +554,6 @@ uint32_t helper_float64_to_float32(uint64_t arg) return f.l; } -static always_inline int fpisneg (float64 d) -{ - CPU_DoubleU u; - - u.d = d; - - return u.ll >> 63 != 0; -} - static always_inline int isden (float64 d) { CPU_DoubleU u; @@ -572,24 +563,6 @@ static always_inline int isden (float64 d) return ((u.ll >> 52) & 0x7FF) == 0; } -static always_inline int iszero (float64 d) -{ - CPU_DoubleU u; - - u.d = d; - - return (u.ll & ~0x8000000000000000ULL) == 0; -} - -static always_inline int isinfinity (float64 d) -{ - CPU_DoubleU u; - - u.d = d; - - return ((u.ll >> 52) & 0x7FF) == 0x7FF && - (u.ll & 0x000FFFFFFFFFFFFFULL) == 0; -} #ifdef CONFIG_SOFTFLOAT static always_inline int isfinite (float64 d) @@ -618,7 +591,7 @@ uint32_t helper_compute_fprf (uint64_t arg, uint32_t set_fprf) int isneg; int ret; farg.ll = arg; - isneg = fpisneg(farg.d); + isneg = float64_is_neg(farg.d); if (unlikely(float64_is_nan(farg.d))) { if (float64_is_signaling_nan(farg.d)) { /* Signaling NaN: flags are undefined */ @@ -627,14 +600,14 @@ uint32_t helper_compute_fprf (uint64_t arg, uint32_t set_fprf) /* Quiet NaN */ ret = 0x11; } - } else if (unlikely(isinfinity(farg.d))) { + } else if (unlikely(float64_is_infinity(farg.d))) { /* +/- infinity */ if (isneg) ret = 0x09; else ret = 0x05; } else { - if (iszero(farg.d)) { + if (float64_is_zero(farg.d)) { /* +/- zero */ if (isneg) ret = 0x12; @@ -1056,7 +1029,7 @@ uint64_t helper_fadd (uint64_t arg1, uint64_t arg2) /* sNaN addition */ farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); } else if (likely(isfinite(farg1.d) || isfinite(farg2.d) || - fpisneg(farg1.d) == fpisneg(farg2.d))) { + float64_is_neg(farg1.d) == float64_is_neg(farg2.d))) { farg1.d = float64_add(farg1.d, farg2.d, &env->fp_status); } else { /* Magnitude subtraction of infinities */ @@ -1082,7 +1055,7 @@ uint64_t helper_fsub (uint64_t arg1, uint64_t arg2) /* sNaN subtraction */ farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); } else if (likely(isfinite(farg1.d) || isfinite(farg2.d) || - fpisneg(farg1.d) != fpisneg(farg2.d))) { + float64_is_neg(farg1.d) != float64_is_neg(farg2.d))) { farg1.d = float64_sub(farg1.d, farg2.d, &env->fp_status); } else { /* Magnitude subtraction of infinities */ @@ -1107,8 +1080,8 @@ uint64_t helper_fmul (uint64_t arg1, uint64_t arg2) float64_is_signaling_nan(farg2.d))) { /* sNaN multiplication */ farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); - } else if (unlikely((isinfinity(farg1.d) && iszero(farg2.d)) || - (iszero(farg1.d) && isinfinity(farg2.d)))) { + } else if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) || + (float64_is_zero(farg1.d) && float64_is_infinity(farg2.d)))) { /* Multiplication of zero by infinity */ farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXIMZ); } else { @@ -1132,11 +1105,11 @@ uint64_t helper_fdiv (uint64_t arg1, uint64_t arg2) float64_is_signaling_nan(farg2.d))) { /* sNaN division */ farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); - } else if (unlikely(isinfinity(farg1.d) && isinfinity(farg2.d))) { + } else if (unlikely(float64_is_infinity(farg1.d) && float64_is_infinity(farg2.d))) { /* Division of infinity by infinity */ farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXIDI); - } else if (unlikely(!float64_is_nan(farg1.d) && iszero(farg2.d))) { - if (iszero(farg1.d)) { + } else if (unlikely(!float64_is_nan(farg1.d) && float64_is_zero(farg2.d))) { + if (float64_is_zero(farg1.d)) { /* Division of zero by zero */ farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXZDZ); } else { @@ -1192,7 +1165,7 @@ uint64_t helper_fctiw (uint64_t arg) if (unlikely(float64_is_signaling_nan(farg.d))) { /* sNaN conversion */ farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI); - } else if (unlikely(float64_is_nan(farg.d) || isinfinity(farg.d))) { + } else if (unlikely(float64_is_nan(farg.d) || float64_is_infinity(farg.d))) { /* qNan / infinity conversion */ farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI); } else { @@ -1216,7 +1189,7 @@ uint64_t helper_fctiwz (uint64_t arg) if (unlikely(float64_is_signaling_nan(farg.d))) { /* sNaN conversion */ farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI); - } else if (unlikely(float64_is_nan(farg.d) || isinfinity(farg.d))) { + } else if (unlikely(float64_is_nan(farg.d) || float64_is_infinity(farg.d))) { /* qNan / infinity conversion */ farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI); } else { @@ -1249,7 +1222,7 @@ uint64_t helper_fctid (uint64_t arg) if (unlikely(float64_is_signaling_nan(farg.d))) { /* sNaN conversion */ farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI); - } else if (unlikely(float64_is_nan(farg.d) || isinfinity(farg.d))) { + } else if (unlikely(float64_is_nan(farg.d) || float64_is_infinity(farg.d))) { /* qNan / infinity conversion */ farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI); } else { @@ -1267,7 +1240,7 @@ uint64_t helper_fctidz (uint64_t arg) if (unlikely(float64_is_signaling_nan(farg.d))) { /* sNaN conversion */ farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI); - } else if (unlikely(float64_is_nan(farg.d) || isinfinity(farg.d))) { + } else if (unlikely(float64_is_nan(farg.d) || float64_is_infinity(farg.d))) { /* qNan / infinity conversion */ farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI); } else { @@ -1286,7 +1259,7 @@ static always_inline uint64_t do_fri (uint64_t arg, int rounding_mode) if (unlikely(float64_is_signaling_nan(farg.d))) { /* sNaN round */ farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI); - } else if (unlikely(float64_is_nan(farg.d) || isinfinity(farg.d))) { + } else if (unlikely(float64_is_nan(farg.d) || float64_is_infinity(farg.d))) { /* qNan / infinity round */ farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI); } else { @@ -1503,7 +1476,7 @@ uint64_t helper_fsqrt (uint64_t arg) if (unlikely(float64_is_signaling_nan(farg.d))) { /* sNaN square root */ farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); - } else if (unlikely(fpisneg(farg.d) && !iszero(farg.d))) { + } else if (unlikely(float64_is_neg(farg.d) && !float64_is_zero(farg.d))) { /* Square root of a negative nonzero number */ farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSQRT); } else { @@ -1522,7 +1495,7 @@ uint64_t helper_fre (uint64_t arg) if (unlikely(float64_is_signaling_nan(farg.d))) { /* sNaN reciprocal */ farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); - } else if (unlikely(iszero(farg.d))) { + } else if (unlikely(float64_is_zero(farg.d))) { /* Zero reciprocal */ farg.ll = float_zero_divide_excp(fone.d, farg.d); } else if (likely(isnormal(farg.d))) { @@ -1534,7 +1507,7 @@ uint64_t helper_fre (uint64_t arg) farg.ll = 0x7FF0000000000000ULL; } else if (float64_is_nan(farg.d)) { farg.ll = 0x7FF8000000000000ULL; - } else if (fpisneg(farg.d)) { + } else if (float64_is_neg(farg.d)) { farg.ll = 0x8000000000000000ULL; } else { farg.ll = 0x0000000000000000ULL; @@ -1553,7 +1526,7 @@ uint64_t helper_fres (uint64_t arg) if (unlikely(float64_is_signaling_nan(farg.d))) { /* sNaN reciprocal */ farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); - } else if (unlikely(iszero(farg.d))) { + } else if (unlikely(float64_is_zero(farg.d))) { /* Zero reciprocal */ farg.ll = float_zero_divide_excp(fone.d, farg.d); } else if (likely(isnormal(farg.d))) { @@ -1570,7 +1543,7 @@ uint64_t helper_fres (uint64_t arg) farg.ll = 0x7FF0000000000000ULL; } else if (float64_is_nan(farg.d)) { farg.ll = 0x7FF8000000000000ULL; - } else if (fpisneg(farg.d)) { + } else if (float64_is_neg(farg.d)) { farg.ll = 0x8000000000000000ULL; } else { farg.ll = 0x0000000000000000ULL; @@ -1589,7 +1562,7 @@ uint64_t helper_frsqrte (uint64_t arg) if (unlikely(float64_is_signaling_nan(farg.d))) { /* sNaN reciprocal square root */ farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); - } else if (unlikely(fpisneg(farg.d) && !iszero(farg.d))) { + } else if (unlikely(float64_is_neg(farg.d) && !float64_is_zero(farg.d))) { /* Reciprocal square root of a negative nonzero number */ farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSQRT); } else if (likely(isnormal(farg.d))) { @@ -1602,7 +1575,7 @@ uint64_t helper_frsqrte (uint64_t arg) farg.ll = 0x7FF0000000000000ULL; } else if (float64_is_nan(farg.d)) { farg.ll |= 0x000FFFFFFFFFFFFFULL; - } else if (fpisneg(farg.d)) { + } else if (float64_is_neg(farg.d)) { farg.ll = 0x7FF8000000000000ULL; } else { farg.ll = 0x0000000000000000ULL; @@ -1618,7 +1591,7 @@ uint64_t helper_fsel (uint64_t arg1, uint64_t arg2, uint64_t arg3) farg1.ll = arg1; - if (!fpisneg(farg1.d) || iszero(farg1.d)) + if (!float64_is_neg(farg1.d) || float64_is_zero(farg1.d)) return arg2; else return arg3; -- cgit v1.2.3