60 lines
2.3 KiB
Diff
60 lines
2.3 KiB
Diff
--- stdlib/longlong.h~ 2002-09-29 18:45:58.000000000 +0100
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+++ stdlib/longlong.h 2004-03-20 19:16:44.000000000 +0000
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@@ -210,6 +210,14 @@
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"rI" ((USItype) (bh)), \
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"r" ((USItype) (al)), \
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"rI" ((USItype) (bl)))
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+/* v3m and all higher arches have long multiply support. */
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+#if !defined(__ARM_ARCH_2__) && !defined(__ARM_ARCH_3__)
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+#define umul_ppmm(xh, xl, a, b) \
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+ __asm__ ("umull %0,%1,%2,%3" : "=&r" (xl), "=&r" (xh) : "r" (a), "r" (b))
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+#define UMUL_TIME 5
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+#define smul_ppmm(xh, xl, a, b) \
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+ __asm__ ("smull %0,%1,%2,%3" : "=&r" (xl), "=&r" (xh) : "r" (a), "r" (b))
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+#else
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#define umul_ppmm(xh, xl, a, b) \
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{register USItype __t0, __t1, __t2; \
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__asm__ ("%@ Inlined umul_ppmm\n" \
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@@ -231,7 +239,14 @@
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: "r" ((USItype) (a)), \
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"r" ((USItype) (b)));}
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#define UMUL_TIME 20
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+#endif
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#define UDIV_TIME 100
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+
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+#if defined(__ARM_ARCH_5__) || defined(__ARM_ARCH_5T__) || defined(__ARM_ARCH_5TE__)
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+#define count_leading_zeros(COUNT,X) ((COUNT) = __builtin_clz (X))
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+#define COUNT_LEADING_ZEROS_0 32
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+#endif
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+
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#endif /* __arm__ */
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#if defined (__hppa) && W_TYPE_SIZE == 32
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--- /dev/null 2004-02-02 20:32:13.000000000 +0000
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+++ ports/sysdeps/arm/mp_clz_tab.c 2004-03-20 19:24:26.000000000 +0000
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@@ -0,0 +1,24 @@
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+/* __clz_tab -- support for longlong.h
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+ Copyright (C) 2004 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, write to the Free
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+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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+ 02111-1307 USA. */
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+
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+#if defined(__ARM_ARCH_5__) || defined(__ARM_ARCH_5T__) || defined(__ARM_ARCH_5TE__)
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+/* Nothing required. */
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+#else
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+#include <sysdeps/generic/mp_clz_tab.c>
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+#endif
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