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-rw-r--r--sysdeps/m68k/fpu/__math.h12
-rw-r--r--sysdeps/m68k/fpu/fraiseexcpt.c22
-rw-r--r--sysdeps/m68k/huge_val.h51
-rw-r--r--sysdeps/m68k/nan.h59
4 files changed, 101 insertions, 43 deletions
diff --git a/sysdeps/m68k/fpu/__math.h b/sysdeps/m68k/fpu/__math.h
index 5dc4d2e066..fd90a2de1b 100644
--- a/sysdeps/m68k/fpu/__math.h
+++ b/sysdeps/m68k/fpu/__math.h
@@ -414,7 +414,7 @@ __inline_forward(void,sincosl,
#define isgreater(x, y) \
__extension__ \
({ char __result; \
- __asm__ ("fcmp %2,%1; fsogt %0" \
+ __asm__ ("fcmp%.x %2,%1; fsogt %0" \
: "=dm" (__result) : "f" (x), "f" (y)); \
(int) __result; })
@@ -422,7 +422,7 @@ __inline_forward(void,sincosl,
#define isgreaterequal(x, y) \
__extension__ \
({ char __result; \
- __asm__ ("fcmp %2,%1; fsoge %0" \
+ __asm__ ("fcmp%.x %2,%1; fsoge %0" \
: "=dm" (__result) : "f" (x), "f" (y)); \
(int) __result; })
@@ -430,7 +430,7 @@ __inline_forward(void,sincosl,
#define isless(x, y) \
__extension__ \
({ char __result; \
- __asm__ ("fcmp %2,%1; fsolt %0" \
+ __asm__ ("fcmp%.x %2,%1; fsolt %0" \
: "=dm" (__result) : "f" (x), "f" (y)); \
(int) __result; })
@@ -438,7 +438,7 @@ __inline_forward(void,sincosl,
#define islessequal(x, y) \
__extension__ \
({ char __result; \
- __asm__ ("fcmp %2,%1; fsole %0" \
+ __asm__ ("fcmp%.x %2,%1; fsole %0" \
: "=dm" (__result) : "f" (x), "f" (y)); \
(int) __result; })
@@ -446,7 +446,7 @@ __inline_forward(void,sincosl,
#define islessgreater(x, y) \
__extension__ \
({ char __result; \
- __asm__ ("fcmp %2,%1; fsogl %0" \
+ __asm__ ("fcmp%.x %2,%1; fsogl %0" \
: "=dm" (__result) : "f" (x), "f" (y)); \
(int) __result; })
@@ -454,7 +454,7 @@ __inline_forward(void,sincosl,
#define isunordered(x, y) \
__extension__ \
({ char __result; \
- __asm__ ("fcmp %2,%1; fsun %0" \
+ __asm__ ("fcmp%.x %2,%1; fsun %0" \
: "=dm" (__result) : "f" (x), "f" (y)); \
(int) __result; })
#endif
diff --git a/sysdeps/m68k/fpu/fraiseexcpt.c b/sysdeps/m68k/fpu/fraiseexcpt.c
index b6ff82760d..51411dd292 100644
--- a/sysdeps/m68k/fpu/fraiseexcpt.c
+++ b/sysdeps/m68k/fpu/fraiseexcpt.c
@@ -34,9 +34,8 @@ feraiseexcept (int excepts)
if (excepts & FE_INVALID)
{
/* One example of a invalid operation is 0 * Infinity. */
- double d = 0.0 * HUGE_VAL;
- /* Now force the exception. */
- __asm__ __volatile__ ("fnop" : : "f" (d));
+ double d = HUGE_VAL;
+ __asm__ __volatile__ ("fmul%.s %#0r0,%0; fnop" : "=f" (d) : "0" (d));
}
/* Next: division by zero. */
@@ -49,26 +48,21 @@ feraiseexcept (int excepts)
/* Next: overflow. */
if (excepts & FE_OVERFLOW)
{
- long double d = LDBL_MAX * LDBL_MAX;
- /* Now force the exception. */
- __asm__ __volatile__ ("fnop" : : "f" (d));
+ long double d = LDBL_MAX;
+ __asm__ __volatile__ ("fmul%.x %0,%0; fnop" : "=f" (d) : "0" (d));
}
/* Next: underflow. */
if (excepts & FE_UNDERFLOW)
{
- long double d = LDBL_MIN / 16.0;
- /* Now force the exception. */
- __asm__ __volatile__ ("fnop" : : "f" (d));
+ long double d = LDBL_MIN;
+ __asm__ __volatile__ ("fdiv%.s %#0r16,%0; fnop" : "=f" (d) : "0" (d));
}
/* Last: inexact. */
if (excepts & FE_INEXACT)
{
- long double d1, d2 = 1.0;
- __asm__ __volatile__ ("fmovecr %#0,%0\n\t"
- "fdiv%.x %1,%0\n\t"
- "fnop"
- : "=&f" (d1) : "f" (d2));
+ long double d = 1.0;
+ __asm__ __volatile__ ("fdiv%.s %#0r3,%0; fnop" : "=f" (d) : "0" (d));
}
}
diff --git a/sysdeps/m68k/huge_val.h b/sysdeps/m68k/huge_val.h
index 8d45aaec2b..c71454e9a8 100644
--- a/sysdeps/m68k/huge_val.h
+++ b/sysdeps/m68k/huge_val.h
@@ -26,15 +26,19 @@
/* IEEE positive infinity (-HUGE_VAL is negative infinity). */
-#define __HUGE_VAL_bytes { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 }
-
-#define __huge_val_t union { unsigned char __c[8]; double __d; }
#ifdef __GNUC__
-#define HUGE_VAL (__extension__ \
- ((__huge_val_t) { __c: __HUGE_VAL_bytes }).__d)
-#else /* Not GCC. */
-static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
+
+#define HUGE_VAL \
+ (__extension__ \
+ ((union { unsigned long long __l; double __d; }) \
+ { __l: 0x7ff0000000000000ULL }).__d)
+
+#else /* not GCC */
+
+static union { unsigned char __c[8]; double __d; } __huge_val =
+ { { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 } };
#define HUGE_VAL (__huge_val.__d)
+
#endif /* GCC. */
@@ -42,27 +46,28 @@ static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
#ifdef __USE_ISOC9X
-#define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 }
+#ifdef __GNUC__
-#define __huge_valf_t union { unsigned char __c[4]; float __f; }
-#ifdef __GNUC__
-#define HUGE_VALF (__extension__ \
- ((__huge_valf_t) { __c: __HUGE_VALF_bytes }).__f)
-#else /* Not GCC. */
-static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes };
-#define HUGE_VALF (__huge_valf.__f)
-#endif /* GCC. */
+#define HUGE_VALF \
+ (__extension__ \
+ ((union { unsigned long __l; float __f; }) \
+ { __l: 0x7f800000UL }).__f)
+#define HUGE_VALL \
+ (__extension__ \
+ ((union { unsigned long __l[3]; long double __ld; }) \
+ { __l: { 0x7fff0000UL, 0x80000000UL, 0UL } }).__ld)
-#define __HUGE_VALL_bytes { 0x7f, 0xff, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+#else /* not GCC */
-#define __huge_vall_t union { unsigned char __c[12]; long double __ld; }
-#ifdef __GNUC__
-#define HUGE_VALL (__extension__ \
- ((__huge_vall_t) { __c: __HUGE_VALL_bytes }).__ld)
-#else /* Not GCC. */
-static __huge_vall_t __huge_vall = { __HUGE_VALL_bytes };
+static union { unsigned char __c[4]; float __f; } __huge_valf =
+ { { 0x7f, 0x80, 0, 0 } };
+#define HUGE_VALF (__huge_valf.__f)
+
+static union { unsigned char __c[12]; long double __ld; } __huge_vall =
+ { { 0x7f, 0xff, 0, 0, 0x80, 0, 0, 0, 0, 0, 0, 0 } };
#define HUGE_VALL (__huge_vall.__ld)
+
#endif /* GCC. */
#endif /* __USE_ISOC9X. */
diff --git a/sysdeps/m68k/nan.h b/sysdeps/m68k/nan.h
new file mode 100644
index 0000000000..b4efddfe91
--- /dev/null
+++ b/sysdeps/m68k/nan.h
@@ -0,0 +1,59 @@
+/* `NAN' constants for m68k.
+ Copyright (C) 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _NAN_H
+
+#define _NAN_H 1
+
+/* IEEE Not A Number. */
+
+#ifdef __GNUC__
+
+#define NAN \
+ (__extension__ \
+ ((union { unsigned long long __l; double __d; }) \
+ { __l: 0x7fffffffffffffffULL }).__d)
+
+#define NANF \
+ (__extension__ \
+ ((union { unsigned long __l; float __f; }) \
+ { __l: 0x7fffffffUL }).__f)
+
+#define NANL \
+ (__extension__ \
+ ((union { unsigned long __l[3]; long double __ld; }) \
+ { __l: { 0x7fff0000UL, 0xffffffffUL, 0xffffffffUL } }).__ld)
+
+#else
+
+static union { unsigned char __c[8]; double __d; } __nan =
+ { { 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } };
+#define NAN (__nan.__d)
+
+static union { unsigned char __c[4]; float __f; } __nanf =
+ { { 0x7f, 0xff, 0xff, 0xff } };
+#define NANF (__nanf.__f)
+
+static union { unsigned char __c[12]; long double __ld; } __nanl =
+ { { 0x7f, 0xff, 0, 0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } };
+#define NANL (__nanl.__ld)
+
+#endif /* GCC. */
+
+#endif /* nan.h */
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