[Qemu-devel] [6051] target-ppc: use the new fp functions

[Aurelien Jarno]

Revision: 6051
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6051
Author:   aurel32
Date:     2008-12-15 17:14:27 +0000 (Mon, 15 Dec 2008)

Log Message:
-----------
target-ppc: use the new fp functions

Signed-off-by: Aurelien Jarno <address@hidden>

Modified Paths:
--------------
    trunk/target-ppc/op_helper.c

Modified: trunk/target-ppc/op_helper.c
===================================================================
--- trunk/target-ppc/op_helper.c        2008-12-15 17:14:20 UTC (rev 6050)
+++ trunk/target-ppc/op_helper.c        2008-12-15 17:14:27 UTC (rev 6051)
@@ -554,15 +554,6 @@
     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;
@@ -572,25 +563,7 @@
     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 @@
     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 @@
             /* 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 @@
         /* 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 @@
         /* 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 @@
                  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 @@
                  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 @@
     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 @@
     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 @@
     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 @@
     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 @@
     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 @@
     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 @@
     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 @@
             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 @@
     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 @@
             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 @@
     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 @@
             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 @@
 
     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;