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a1f78e411e
backport a patch to fix issue:
{standard input}: Assembler messages:
{standard input}:16966: rdhi, rdlo and rm must all be different
(From OE-Core rev: a8767bff39730e4905c55942109d69aae5867fe1)
Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
44 lines
1.4 KiB
Diff
44 lines
1.4 KiB
Diff
From a85c78ea1393985fdb6e6678dea19135c553d341 Mon Sep 17 00:00:00 2001
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From: Mark H Weaver <mhw@netris.org>
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Date: Fri, 19 Sep 2014 21:18:09 -0400
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Subject: [PATCH] VM: ASM_MUL for ARM: Add earlyclobber constraint to the SMULL
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outputs.
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Reported by Rob Browning <rlb@defaultvalue.org>.
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* libguile/vm-i-scheme.c (ASM_MUL)[ARM]: Add earlyclobber (&) constraint
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to the SMULL output registers.
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Author: Mark H Weaver <mhw@netris.org>
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Upstream-Status: Backport
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Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
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---
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libguile/vm-i-scheme.c | 5 ++---
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1 file changed, 2 insertions(+), 3 deletions(-)
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diff --git a/libguile/vm-i-scheme.c b/libguile/vm-i-scheme.c
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index 587aa95..162efab 100644
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--- a/libguile/vm-i-scheme.c
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+++ b/libguile/vm-i-scheme.c
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@@ -1,5 +1,4 @@
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-/* Copyright (C) 2001, 2009, 2010, 2011, 2012, 2013,
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- * 2014 Free Software Foundation, Inc.
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+/* Copyright (C) 2001, 2009-2014 Free Software Foundation, Inc.
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*
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* This 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 License
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@@ -363,7 +362,7 @@ VM_DEFINE_FUNCTION (149, ge, "ge?", 2)
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{ \
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scm_t_signed_bits rlo, rhi; \
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asm ("smull %0, %1, %2, %3\n" \
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- : "=r" (rlo), "=r" (rhi) \
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+ : "=&r" (rlo), "=&r" (rhi) \
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: "r" (SCM_UNPACK (x) - scm_tc2_int), \
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"r" (SCM_I_INUM (y))); \
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if (SCM_LIKELY (SCM_SRS (rlo, 31) == rhi)) \
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--
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2.3.5
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