On Sun, Jul 12, 2009 at 9:41 PM, Jack Howarth<howa...@bromo.med.uc.edu> wrote: > I am seeing a new failure on x86_64-apple-darwin10 in current gcc 4.4 branch > that wasn't present in the gcc 4.4.0 release. At -m32, the testsuite > failure... > > FAIL: gcc.c-torture/compile/20000804-1.c -O0 (test for excess errors) > > appears with the error logged as... > > Executing on host: > /sw/src/fink.build/gcc44-4.4.099-20090711/darwin_objdir/gcc/xgcc > -B/sw/src/fink.build/gcc44-4.4.099-20090711/darwin_objdir/gcc/ -O3 > -fomit-frame-pointer ...skipping... > Executing on host: > /sw/src/fink.build/gcc44-4.4.099-20090711/darwin_objdir/gcc/xgcc > -B/sw/src/fink.build/gcc44-4.4.099-20090711/darwin_objdir/gcc/ -O0 -w -c > -m32 -o 20000804-1.o > /sw/src/fink.build/gcc44-4.4.099-20090711/gcc-4.4-20090711/gcc/testsuite/gcc.c-torture/compile/20000804-1.c > (timeout = 300) > /sw/src/fink.build/gcc44-4.4.099-20090711/gcc-4.4-20090711/gcc/testsuite/gcc.c-torture/compile/20000804-1.c: > In function 'f': > /sw/src/fink.build/gcc44-4.4.099-20090711/gcc-4.4-20090711/gcc/testsuite/gcc.c-torture/compile/20000804-1.c:16: > error: can't find a register in class 'GENERAL_REGS' while reloading 'asm' > /sw/src/fink.build/gcc44-4.4.099-20090711/gcc-4.4-20090711/gcc/testsuite/gcc.c-torture/compile/20000804-1.c:16: > error: 'asm' operand has impossible constraints > compiler exited with status 1 > output is: > /sw/src/fink.build/gcc44-4.4.099-20090711/gcc-4.4-20090711/gcc/testsuite/gcc.c-torture/compile/20000804-1.c: > In function 'f': > /sw/src/fink.build/gcc44-4.4.099-20090711/gcc-4.4-20090711/gcc/testsuite/gcc.c-torture/compile/20000804-1.c:16: > error: can't find a register in class 'GENERAL_REGS' while reloading 'asm' > /sw/src/fink.build/gcc44-4.4.099-20090711/gcc-4.4-20090711/gcc/testsuite/gcc.c-torture/compile/20000804-1.c:16: > error: 'asm' operand has impossible constraints > > FAIL: gcc.c-torture/compile/20000804-1.c -O0 (test for excess errors) > Excess errors: > /sw/src/fink.build/gcc44-4.4.099-20090711/gcc-4.4-20090711/gcc/testsuite/gcc.c-torture/compile/20000804-1.c:16: > error: can't find a register in class 'GENERAL_REGS' while reloading 'asm' > /sw/src/fink.build/gcc44-4.4.099-20090711/gcc-4.4-20090711/gcc/testsuite/gcc.c-torture/compile/20000804-1.c:16: > error: 'asm' operand has impossible constraints > > The failure doesn't occur at -m32 if I pass -fno-PIC on the compilation line. > Could someone with current gcc 4.4 branch > on x86_64-*-linux check to see if they get the same failure with -m32 -fPIC > at -O0 for gcc.c-torture/compile/20000804-1.c? > This looks like a regression from gcc 4.4.0.
Please file a bugreport about this. Can you constrain the revisions where the regression was introduced? Thanks, Richard. > Jack >
