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Re: [Ada] Patch needed to boostrap Ada on x86_64 as of 20050628
- From: Laurent GUERBY <laurent at guerby dot net>
- To: gcc at gcc dot gnu dot org
- Date: Wed, 29 Jun 2005 08:16:02 +0200
- Subject: Re: [Ada] Patch needed to boostrap Ada on x86_64 as of 20050628
- References: <1119991811.8919.400.camel@pc.site>
flag_wrapv=1 also restores bootstrap on x86_64-linux without
needing -O0 in Makefiles.
Laurent
Index: misc.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/ada/misc.c,v
retrieving revision 1.104
diff -u -r1.104 misc.c
--- misc.c 28 Jun 2005 19:51:26 -0000 1.104
+++ misc.c 29 Jun 2005 06:12:29 -0000
@@ -339,6 +339,8 @@
/* Uninitialized really means uninitialized in Ada. */
flag_zero_initialized_in_bss = 0;
+ flag_wrapv = 1;
+
return CL_Ada;
}
On Tue, 2005-06-28 at 22:50 +0200, Laurent GUERBY wrote:
> Ada bootstraps fine without patch on x86-linux, however
> on x86_64 bootstrap fail because of:
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22212
>
> The following patch is a workaround for it, it enables
> a full bootstrap and only 2 additional FAIL in ACATS,
> results here:
>
> http://gcc.gnu.org/ml/gcc-testresults/2005-06/msg01693.html
>
> Laurent
>
> Index: gnattools/Makefile.in
> ===================================================================
> RCS file: /cvs/gcc/gcc/gnattools/Makefile.in,v
> retrieving revision 1.4
> diff -u -r1.4 Makefile.in
> --- gnattools/Makefile.in 30 Mar 2005 08:56:55 -0000 1.4
> +++ gnattools/Makefile.in 28 Jun 2005 20:45:29 -0000
> @@ -83,7 +83,7 @@
> "CC=../../xgcc -B../../" \
> "CFLAGS=$(CFLAGS) $(WARN_CFLAGS)" \
> "LDFLAGS=$(LDFLAGS)" \
> - "ADAFLAGS=$(ADAFLAGS)" \
> + "ADAFLAGS=$(ADAFLAGS) -O0" \
> "INCLUDES=$(INCLUDES_FOR_SUBDIR)" \
> "ADA_INCLUDES=-I- -I../rts $(ADA_INCLUDES_FOR_SUBDIR)"\
> "exeext=$(exeext)" \
> @@ -112,7 +112,7 @@
> TOOLS_FLAGS_TO_PASS_NATIVE= \
> "CC=../../xgcc -B../../" \
> "CFLAGS=$(CFLAGS)" \
> - "ADAFLAGS=$(ADAFLAGS)" \
> + "ADAFLAGS=$(ADAFLAGS) -O0" \
> "INCLUDES=$(INCLUDES_FOR_SUBDIR)" \
> "ADA_INCLUDES=-I../rts $(ADA_INCLUDES_FOR_SUBDIR)" \
> "exeext=$(exeext)" \
> Index: gcc/ada/Makefile.in
> ===================================================================
> RCS file: /cvs/gcc/gcc/gcc/ada/Makefile.in,v
> retrieving revision 1.118
> diff -u -r1.118 Makefile.in
> --- gcc/ada/Makefile.in 16 Jun 2005 09:00:01 -0000 1.118
> +++ gcc/ada/Makefile.in 28 Jun 2005 20:45:30 -0000
> @@ -1994,6 +1994,10 @@
> $(CC) -c $(ALL_ADAFLAGS) $(FORCE_DEBUG_ADAFLAGS) -O1 -fno-inline
> \
> $(ADA_INCLUDES) $< $(OUTPUT_OPTION)
>
> +a-strfix.o : a-strfix.adb a-strfix.ads
> + $(CC) -c $(ALL_ADAFLAGS) $(FORCE_DEBUG_ADAFLAGS) -O0 \
> + $(ADA_INCLUDES) $< $(OUTPUT_OPTION)
> +
> # force debugging information on s-assert.o so that it is always
> # possible to set breakpoint on assert failures.
>
>
>
>