On Mon, May 19, 2014 at 2:37 PM, James Greenhalgh <james.greenha...@arm.com> wrote: > On Fri, May 16, 2014 at 06:49:45PM +0100, Vladimir Makarov wrote: >> The following patch fixes >> >> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60969 >> >> The patch was bootstrapped and tested on x86/x86-64. >> >> Committed as rev. 210519 to gcc 4.9 branch and as rev. 210520 to trunk. >> >> 2014-05-16 Vladimir Makarov <vmaka...@redhat.com> >> >> PR rtl-optimization/60969 >> * ira-costs.c (record_reg_classes): Allow only memory for pseudo. >> Calculate costs for this case. >> >> 2014-05-16 Vladimir Makarov <vmaka...@redhat.com> >> >> PR rtl-optimization/60969 >> * g++.dg/pr60969.C: New. > > This seems to have cause gcc.target/aarch64/vect-abs-compile.c to begin > failing on aarch64-none-elf: > > FAIL: gcc.target/aarch64/table-intrinsics.c (internal compiler error) > FAIL: gcc.target/aarch64/table-intrinsics.c (test for excess errors) > Excess errors: > /work/gcc-clean/src/gcc/gcc/testsuite/gcc.target/aarch64/table-intrinsics.c:172:1: > internal compiler error: Max. number of generated reload insns per insn is > achieved (90) > 0x8923cd lra_constraints(bool) > /work/gcc-clean/src/gcc/gcc/lra-constraints.c:4140 > 0x882f62 lra(_IO_FILE*) > /work/gcc-clean/src/gcc/gcc/lra.c:2353 > 0x8453f6 do_reload > /work/gcc-clean/src/gcc/gcc/ira.c:5457 > 0x8453f6 execute > /work/gcc-clean/src/gcc/gcc/ira.c:5618 >
I think x86 backend should disable 3DNOW mode if 3DNOW isn't enabled. Allowing SFmode with MMX doesn't buy us anything, but trouble. -- H.J.
