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When building GCC with Clang, disable optimizations for tree.c until I 

can figure out what is responsible for the miscompilation.
This commit is contained in:
joerg 2014-07-06 00:21:24 +00:00
parent d54dab14a9
commit 2c9706a997
2 changed files with 7 additions and 2 deletions
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5
doc/TODO.clang
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@ -1,4 +1,4 @@
$NetBSD: TODO.clang,v 1.11 2014/07/05 20:45:49 joerg Exp $
$NetBSD: TODO.clang,v 1.12 2014/07/06 00:21:24 joerg Exp $
Hacks for the clang integration
-------------------------------
@ -8,3 +8,6 @@ for the incomplete explicit positioning support in LLVM MC.
Workaround for .fpu handling in src/sys/lib/libunwind for ARM by forcing
GNU as.
src/external/gpl3/gcc/usr.bin/backend forces tree.c to be compiled with -O0.
g++ otherwise on trivial input.

4
external/gpl3/gcc/usr.bin/backend/Makefile vendored
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@ -1,4 +1,4 @@
# $NetBSD: Makefile,v 1.21 2014/03/15 20:46:38 mrg Exp $
# $NetBSD: Makefile,v 1.22 2014/07/06 00:21:24 joerg Exp $
LIBISPRIVATE= yes
@ -402,5 +402,7 @@ COPTS.lambda-code.c= -O0
COPTS.tree-loop-linear.c= -O0
.endif
COPTS.tree.c= ${${ACTIVE_CC} == "clang" :? -O0 :}
.PATH: ${DIST}/gcc ${DIST}/libiberty ${GCCARCH} ${G_out_file:H} ${DIST}/include
.PATH: ${DIST}/gcc/config