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[m68k] ColdFire long long support
- From: Bernardo Innocenti <bernie at develer dot com>
- To: gcc-patches at gcc dot gnu dot org
- Cc: Peter Barada <peter at baradas dot org>
- Date: Mon, 11 Aug 2003 05:06:20 +0200
- Subject: [m68k] ColdFire long long support
- Organization: Develer S.r.l.
This patch adds a ColdFire specific version of the
umul_ppmm() macro, required to enable long long support
for this processor. (based on Peter Barada's GCC 3.2.3
ColdFire patch).
2003-08-06 Peter Barada <peter@baradas.org>
Bernardo Innocenti <bernie@develer.com>
* longlong.h (umul_ppmm): Add ColdFire support.
diff -Nrup gcc-3.4.orig/gcc/longlong.h gcc-3.4/gcc/longlong.h
--- gcc-3.4.orig/gcc/longlong.h 2003-04-02 21:33:22.000000000 +0200
+++ gcc-3.4/gcc/longlong.h 2003-08-02 02:31:28.000000000 +0200
@@ -443,7 +443,42 @@ UDItype __umulsidi3 (USItype, USItype);
"dmi" ((USItype) (d)))
#else /* not mc68020 */
-#if !defined(__mcf5200__)
+#if defined(__mcoldfire__)
+#define umul_ppmm(xh, xl, a, b) \
+ __asm__ ("| Inlined umul_ppmm\n" \
+ " move%.l %2,%/d0\n" \
+ " move%.l %3,%/d1\n" \
+ " move%.l %/d0,%/d2\n" \
+ " swap %/d0\n" \
+ " move%.l %/d1,%/d3\n" \
+ " swap %/d1\n" \
+ " move%.w %/d2,%/d4\n" \
+ " mulu %/d3,%/d4\n" \
+ " mulu %/d1,%/d2\n" \
+ " mulu %/d0,%/d3\n" \
+ " mulu %/d0,%/d1\n" \
+ " move%.l %/d4,%/d0\n" \
+ " clr%.w %/d0\n" \
+ " swap %/d0\n" \
+ " add%.l %/d0,%/d2\n" \
+ " add%.l %/d3,%/d2\n" \
+ " jcc 1f\n" \
+ " add%.l %#65536,%/d1\n" \
+ "1: swap %/d2\n" \
+ " moveq %#0,%/d0\n" \
+ " move%.w %/d2,%/d0\n" \
+ " move%.w %/d4,%/d2\n" \
+ " move%.l %/d2,%1\n" \
+ " add%.l %/d1,%/d0\n" \
+ " move%.l %/d0,%0" \
+ : "=g" ((USItype) (xh)), \
+ "=g" ((USItype) (xl)) \
+ : "g" ((USItype) (a)), \
+ "g" ((USItype) (b)) \
+ : "d0", "d1", "d2", "d3", "d4")
+#define UMUL_TIME 100
+#define UDIV_TIME 400
+#else /* not ColdFire */
/* %/ inserts REGISTER_PREFIX, %# inserts IMMEDIATE_PREFIX. */
#define umul_ppmm(xh, xl, a, b) \
__asm__ ("| Inlined umul_ppmm\n" \
@@ -479,7 +514,7 @@ UDItype __umulsidi3 (USItype, USItype);
: "d0", "d1", "d2", "d3", "d4")
#define UMUL_TIME 100
#define UDIV_TIME 400
-#endif /* not mcf5200 */
+#endif /* not ColdFire */
#endif /* not mc68020 */
/* The '020, '030, '040 and '060 have bitfield insns. */
--
// Bernardo Innocenti - Develer S.r.l., R&D dept.
\X/ http://www.develer.com/
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