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yann@1
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Message-ID: <434576E1.6020305@sscd.de>
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yann@1
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Date: Thu, 06 Oct 2005 21:11:29 +0200
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yann@1
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From: Alexander Sieb <sieb@sscd.de>
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yann@1
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To: crossgcc@sourceware.org
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yann@1
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Subject: Crosstool sh4-linux-gcc-4.0.2-glibc-2.3.5 patches
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yann@1
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yann@1
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Hi,
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yann@1
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yann@1
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attached you find the files I needed to add to crosstool-0.38
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yann@1
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in order to build a sh4-linux gcc-4.0.2-glibc-2.3.5 tool chain.
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yann@1
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yann@1
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Files attached:
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yann@1
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yann@1
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sh4-gcc4.dat:
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yann@1
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* gcc4 needs --with-multilib-list=m4,m4-nofpu otherwise a linux
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yann@1
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kernel won't build as it uses the -m4-nofpu option.
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yann@1
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yann@1
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gcc-pr21623.patch:
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yann@1
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* Kaz Kojima provided a patch [really, a workaround -dank] for http://gcc.gnu.org/PR21623
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yann@1
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yann@1
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glibc-2.3.5-sh-memset.patch:
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yann@1
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* A patch for glibc-2.3.5 which corrects memset. From SUGIOKA Toshinobu.
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yann@1
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See content for rationale.
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yann@1
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yann@1
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-- snip --
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yann@1
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yann@1
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-- Here's patch 1 of 2, plus URLs showing where it is in CVS --
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yann@1
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yann@1
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[http://gcc.gnu.org/ml/gcc-cvs/2005-10/msg00081.html]
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yann@1
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yann@1
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2005-09-30 Kaz Kojima <kkojima@gcc.gnu.org>
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yann@1
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yann@1
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* config/sh/sh.c (sh_register_move_cost): Add case for moving
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yann@1
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from T_REGS to FP register class.
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yann@1
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yann@1
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[http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/sh/sh.c.diff?cvsroot=gcc&r1=1.347&r2=1.348]
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yann@1
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yann@1
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RCS file: /cvs/gcc/gcc/gcc/config/sh/sh.c,v
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yann@1
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retrieving revision 1.347
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yann@1
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retrieving revision 1.348
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yann@1
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diff -u -r1.347 -r1.348
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--- gcc/gcc/config/sh/sh.c 2005/09/05 12:45:22 1.347
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+++ gcc/gcc/config/sh/sh.c 2005/10/03 22:07:08 1.348
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yann@1
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@@ -9491,6 +9491,9 @@ sh_register_move_cost (enum machine_mode
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yann@1
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&& REGCLASS_HAS_FP_REG (dstclass))
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yann@1
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return 4;
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yann@1
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+ if (REGCLASS_HAS_FP_REG (dstclass) && srcclass == T_REGS)
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+ return ((TARGET_HARD_SH4 && !optimize_size) ? 10 : 7);
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+
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if ((REGCLASS_HAS_FP_REG (dstclass) && srcclass == MAC_REGS)
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yann@1
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|| (dstclass == MAC_REGS && REGCLASS_HAS_FP_REG (srcclass)))
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yann@1
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return 9;
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