58 lines
1.3 KiB
Plaintext
58 lines
1.3 KiB
Plaintext
|
$OpenBSD: patch-target-ppc_op_helper_c,v 1.1.1.1 2005/03/07 16:41:28 todd Exp $
|
||
|
|
--- target-ppc/op_helper.c.orig Tue Feb 15 17:06:19 2005
|
||
|
|
+++ target-ppc/op_helper.c Sun Feb 27 15:47:13 2005
|
||
|
|
@@ -226,6 +226,18 @@ void do_store_fpscr (uint32_t mask)
|
||
|
|
/* Set rounding mode */
|
||
|
|
switch (env->fpscr[0] & 0x3) {
|
||
|
|
case 0:
|
||
|
|
+#ifdef _BSD
|
||
|
|
+ fpsetround(FP_RN);
|
||
|
|
+ break;
|
||
|
|
+ case 1:
|
||
|
|
+ fpsetround(FP_RZ);
|
||
|
|
+ break;
|
||
|
|
+ case 2:
|
||
|
|
+ fpsetround(FP_RP);
|
||
|
|
+ break;
|
||
|
|
+ case 3:
|
||
|
|
+ fpsetround(FP_RM);
|
||
|
|
+#else
|
||
|
|
/* Best approximation (round to nearest) */
|
||
|
|
fesetround(FE_TONEAREST);
|
||
|
|
break;
|
||
|
|
@@ -240,6 +252,7 @@ void do_store_fpscr (uint32_t mask)
|
||
|
|
case 3:
|
||
|
|
/* Round toward -infinite */
|
||
|
|
fesetround(FE_DOWNWARD);
|
||
|
|
+#endif
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
@@ -267,9 +280,14 @@ void do_fctiwz (void)
|
||
|
|
double d;
|
||
|
|
uint64_t i;
|
||
|
|
} *p = (void *)&FT1;
|
||
|
|
+#ifdef _BSD
|
||
|
|
+ int cround = fpgetround();
|
||
|
|
+ fpsetround(FP_RZ);
|
||
|
|
+#else
|
||
|
|
int cround = fegetround();
|
||
|
|
|
||
|
|
fesetround(FE_TOWARDZERO);
|
||
|
|
+#endif
|
||
|
|
if (FT0 > (double)0x7FFFFFFF)
|
||
|
|
p->i = 0x7FFFFFFFULL << 32;
|
||
|
|
else if (FT0 < -(double)0x80000000)
|
||
|
|
@@ -278,7 +296,11 @@ void do_fctiwz (void)
|
||
|
|
p->i = 0;
|
||
|
|
p->i |= (uint32_t)FT0;
|
||
|
|
FT0 = p->d;
|
||
|
|
+#ifdef _BSD
|
||
|
|
+ fpsetround(cround);
|
||
|
|
+#else
|
||
|
|
fesetround(cround);
|
||
|
|
+#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
void do_fnmadd (void)
|