On Sat, Jul 10, 2010 at 03:11:51AM -0400, Joern Rennecke wrote:
> Quoting Jack Howarth <[email protected]>:
>
>> Also, I don't seem able to suppress this build failure with...
>
> I think fcode should be assigned some value in the default case instead.
>
>> Is that expected behavior in current gcc trunk?
>
> Strange, I just bootstrapped r162030 with a small unrelated change on gcc16
> (x86_64-unknown-linux-gnu), and it didn't complain about this...
>
> /home/amylaar/pr44874/bldxx/./prev-gcc/g++
> -B/home/amylaar/pr44874/bldxx/./prev-gcc/
> -B/home/amylaar/instxx/x86_64-unknown-linux-gnu/bin/ -nostdinc++
> -I/home/amylaar/pr44874/bldxx/prev-x86_64-unknown-linux-gnu/libstdc++-v3/include/x86_64-unknown-linux-gnu
>
> -I/home/amylaar/pr44874/bldxx/prev-x86_64-unknown-linux-gnu/libstdc++-v3/include
>
> -I/home/amylaar/pr44874/gcc/libstdc++-v3/libsupc++
> -L/home/amylaar/pr44874/bldxx/prev-x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs
>
> -c -g -O2 -gtoggle -DIN_GCC -W -Wall -Wwrite-strings -Wcast-qual
> -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros
> -Wno-overlength-strings -Werror -fno-common -DHAVE_CONFIG_H -I. -I.
> -I../../gcc/gcc -I../../gcc/gcc/. -I../../gcc/gcc/../include
> -I../../gcc/gcc/../libcpp/include -I/opt/cfarm/mpfr-2.4.1/include
> -I/opt/cfarm/mpc-0.8/include -I../../gcc/gcc/../libdecnumber
> -I../../gcc/gcc/../libdecnumber/bid -I../libdecnumber \
> ../../gcc/gcc/config/i386/i386.c -o i386.o
The change suggested by Iain Sandoe of...
Index: gcc/config/i386/i386.c
===================================================================
--- gcc/config/i386/i386.c (revision 162037)
+++ gcc/config/i386/i386.c (working copy)
@@ -30002,7 +30002,7 @@
tree itype = TREE_TYPE (vec_type);
bool u = TYPE_UNSIGNED (itype);
enum machine_mode vmode = TYPE_MODE (vec_type);
- enum ix86_builtins fcode = fcode; /* Silence bogus warning. */
+ enum ix86_builtins fcode = IX86_BUILTIN_MAX;
bool ok = TARGET_SSE2;
switch (vmode)
eliminates the bootstrap failure on x86_64-apple-darwin10
when --enable-build-with-cxx is used..
Jack