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$NetBSD: patch-al,v 1.4 1999/12/16 08:18:05 jonb Exp $
--- gmp-2.0.2-ssh-2/longlong.h.orig Wed Apr 29 19:32:35 1998
+++ gmp-2.0.2-ssh-2/longlong.h Tue Dec 14 23:03:54 1999
@@ -190,26 +190,40 @@
"rI" ((USItype)(bh)), \
"r" ((USItype)(al)), \
"rI" ((USItype)(bl)))
+#if defined(__ARM_ARCH_3M__) || defined(__ARM_ARCH_4__) || defined(__ARM_ARCH_4T__)
+/* Use umull if available */
#define umul_ppmm(xh, xl, a, b) \
__asm__ ("%@ Inlined umul_ppmm
- mov %|r0, %2, lsr #16
- mov %|r2, %3, lsr #16
- bic %|r1, %2, %|r0, lsl #16
- bic %|r2, %3, %|r2, lsl #16
- mul %1, %|r1, %|r2
- mul %|r2, %|r0, %|r2
- mul %|r1, %0, %|r1
- mul %0, %|r0, %0
- adds %|r1, %|r2, %|r1
+ umull %0, %1, %2, %3" \
+ : "=&r" ((USItype) (xl)), \
+ "=&r" ((USItype) (xh)) \
+ : "r" ((USItype) (a)), \
+ "r" ((USItype) (b)))
+#define UMUL_TIME 4
+#else /* umull */
+#define umul_ppmm(xh, xl, a, b) \
+do {register USItype __t0, __t1, __t2; \
+ __asm__ ("%@ Inlined umul_ppmm
+ mov %2, %5, lsr #16
+ mov %0, %6, lsr #16
+ bic %3, %5, %2, lsl #16
+ bic %4, %6, %0, lsl #16
+ mul %1, %3, %4
+ mul %4, %2, %4
+ mul %3, %0, %3
+ mul %0, %2, %0
+ adds %3, %4, %3
addcs %0, %0, #65536
- adds %1, %1, %|r1, lsl #16
- adc %0, %0, %|r1, lsr #16" \
- : "=&r" ((USItype)(xh)), \
- "=r" ((USItype)(xl)) \
- : "r" ((USItype)(a)), \
- "r" ((USItype)(b)) \
- : "r0", "r1", "r2")
+ adds %1, %1, %3, lsl #16
+ adc %0, %0, %3, lsr #16" \
+ : "=&r" ((USItype) (xh)), \
+ "=r" ((USItype) (xl)), \
+ "=&r" (__t0), "=&r" (__t1), "=r" (__t2) \
+ : "r" ((USItype) (a)), \
+ "r" ((USItype) (b)));} while (0)
+
#define UMUL_TIME 20
+#endif /* umull */
#define UDIV_TIME 100
#endif /* __arm__ */
@@ -719,7 +733,7 @@
"g" ((USItype)(d))); \
(r) = __xx.__i.__l; (q) = __xx.__i.__h; })
#define count_trailing_zeros(count,x) \
- do {
+ do { \
__asm__ ("ffsd %2,%0" \
: "=r" ((USItype) (count)) \
: "0" ((USItype) 0), \
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