From bf8ca82240123cfd3e65739dc2318f5f1d145d12 Mon Sep 17 00:00:00 2001 From: Nicolás Reynolds Date: Sat, 10 May 2014 03:49:37 +0000 Subject: Sat May 10 03:41:34 UTC 2014 --- core/gcc/PKGBUILD | 25 +++++++++++++------- core/gcc/gcc-4.9-tree-ssa-threadedge.patch | 38 ++++++++++++++++++++++++++++++ 2 files changed, 54 insertions(+), 9 deletions(-) create mode 100644 core/gcc/gcc-4.9-tree-ssa-threadedge.patch (limited to 'core') diff --git a/core/gcc/PKGBUILD b/core/gcc/PKGBUILD index fa27b2680..5839c520e 100644 --- a/core/gcc/PKGBUILD +++ b/core/gcc/PKGBUILD @@ -1,4 +1,4 @@ -# $Id: PKGBUILD 211960 2014-05-02 08:39:39Z allan $ +# $Id: PKGBUILD 212143 2014-05-09 01:21:38Z allan $ # Maintainer: Allan McRae # toolchain build order: linux-api-headers->glibc->binutils->gcc->binutils->glibc @@ -7,8 +7,8 @@ pkgname=('gcc' 'gcc-libs' 'gcc-fortran' 'gcc-objc' 'gcc-ada' 'gcc-go') pkgver=4.9.0 _pkgver=4.9 -pkgrel=1 -#_snapshot=4.9.0-RC-20140411 +pkgrel=2 +_snapshot=4.9-20140507 pkgdesc="The GNU Compiler Collection" arch=('i686' 'x86_64') license=('GPL' 'LGPL' 'FDL' 'custom') @@ -16,11 +16,13 @@ url="http://gcc.gnu.org" makedepends=('binutils>=2.24' 'libmpc' 'cloog' 'gcc-ada' 'doxygen') checkdepends=('dejagnu' 'inetutils') options=('!emptydirs') -source=(ftp://gcc.gnu.org/pub/gcc/releases/gcc-${pkgver}/gcc-${pkgver}.tar.bz2 - #ftp://gcc.gnu.org/pub/gcc/snapshots/${_snapshot}/gcc-${_snapshot}.tar.bz2 - gcc-4.8-filename-output.patch) -md5sums=('9709b49ae0e904cbb0a6a1b62853b556' - '40cb437805e2f7a006aa0d0c3098ab0f') +source=(#ftp://gcc.gnu.org/pub/gcc/releases/gcc-${pkgver}/gcc-${pkgver}.tar.bz2 + ftp://gcc.gnu.org/pub/gcc/snapshots/${_snapshot}/gcc-${_snapshot}.tar.bz2 + gcc-4.8-filename-output.patch + gcc-4.9-tree-ssa-threadedge.patch) +md5sums=('47dc2b91d2876daff53c20c30164c38f' + '40cb437805e2f7a006aa0d0c3098ab0f' + '311ece7f5446d550e84e28692d2fb823') if [ -n "${_snapshot}" ]; then _basedir=gcc-${_snapshot} @@ -47,6 +49,9 @@ prepare() { # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57653 patch -p0 -i ${srcdir}/gcc-4.8-filename-output.patch + # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60902 + patch -p1 -i ${srcdir}/gcc-4.9-tree-ssa-threadedge.patch + mkdir ${srcdir}/gcc-build } @@ -177,6 +182,8 @@ package_gcc() make -C $CHOST/libsanitizer/asan DESTDIR=${pkgdir} install-nodist_toolexeclibHEADERS make -C libiberty DESTDIR=${pkgdir} install + # install PIC version of libiberty + install -m644 ${srcdir}/gcc-build/libiberty/pic/libiberty.a ${pkgdir}/usr/lib make -C gcc DESTDIR=${pkgdir} install-man install-info rm ${pkgdir}/usr/share/man/man1/{gccgo,gfortran}.1 @@ -185,7 +192,7 @@ package_gcc() make -C libcpp DESTDIR=${pkgdir} install make -C gcc DESTDIR=${pkgdir} install-po - # many packages expect this symlinks + # many packages expect this symlink ln -s gcc ${pkgdir}/usr/bin/cc # POSIX conformance launcher scripts for c89 and c99 diff --git a/core/gcc/gcc-4.9-tree-ssa-threadedge.patch b/core/gcc/gcc-4.9-tree-ssa-threadedge.patch new file mode 100644 index 000000000..8827427e4 --- /dev/null +++ b/core/gcc/gcc-4.9-tree-ssa-threadedge.patch @@ -0,0 +1,38 @@ +--- trunk/gcc/tree-ssa-threadedge.c 2014/04/23 17:53:56 209715 ++++ trunk/gcc/tree-ssa-threadedge.c 2014/04/23 18:04:46 209716 +@@ -387,7 +387,34 @@ + && (gimple_code (stmt) != GIMPLE_CALL + || gimple_call_lhs (stmt) == NULL_TREE + || TREE_CODE (gimple_call_lhs (stmt)) != SSA_NAME)) +- continue; ++ { ++ /* STMT might still have DEFS and we need to invalidate any known ++ equivalences for them. ++ ++ Consider if STMT is a GIMPLE_ASM with one or more outputs that ++ feeds a conditional inside a loop. We might derive an equivalence ++ due to the conditional. */ ++ tree op; ++ ssa_op_iter iter; ++ ++ if (backedge_seen) ++ FOR_EACH_SSA_TREE_OPERAND (op, stmt, iter, SSA_OP_DEF) ++ { ++ /* This call only invalidates equivalences created by ++ PHI nodes. This is by design to keep the cost of ++ of invalidation reasonable. */ ++ invalidate_equivalences (op, stack, src_map, dst_map); ++ ++ /* However, conditionals can imply values for real ++ operands as well. And those won't be recorded in the ++ maps. In fact, those equivalences may be recorded totally ++ outside the threading code. We can just create a new ++ temporary NULL equivalence here. */ ++ record_temporary_equivalence (op, NULL_TREE, stack); ++ } ++ ++ continue; ++ } + + /* The result of __builtin_object_size depends on all the arguments + of a phi node. Temporarily using only one edge produces invalid -- cgit v1.2.3-54-g00ecf