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[Bug middle-end/55247] [4.8 Regression] internal compiler error: Max. number of generated reload insns per insn is achieved (90)
- From: "ubizjak at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sat, 10 Nov 2012 11:55:55 +0000
- Subject: [Bug middle-end/55247] [4.8 Regression] internal compiler error: Max. number of generated reload insns per insn is achieved (90)
- Auto-submitted: auto-generated
- References: <bug-55247-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55247
--- Comment #11 from Uros Bizjak <ubizjak at gmail dot com> 2012-11-10 11:55:55 UTC ---
~/gcc-build/gcc/cc1 -O2 -mx32 -maddress-mode=long pr55247.c
results in following sequence:
movdqu (%eax), %xmm0
movdqa %xmm0, (%rsp)
movq (%rsp), %rax
movq 8(%rsp), %rdx
movq %rax, 16(%rsp)
movq %rdx, 24(%rsp)
while -maddress=mode=short produces expected code:
movq 8(%eax), %rdx
movq (%eax), %rax
movq %rdx, 8(%esp)
movq %rax, (%esp)