https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77953
Bug ID: 77953
Summary: [MIPS] ice: insn does not satisfy its constraints -
__bswapsi2
Product: gcc
Version: 6.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: james410 at cowgill dot org.uk
Target Milestone: ---
Created attachment 39795
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39795&action=edit
reduced source
Compiling the attached source with:
mipsel-linux-gnu-gcc -c -mabi=64 -mno-abicalls -march=mips64 -mlong-calls -O2
-fno-strict-aliasing -fstack-protector-strong ice.c
Gives the following ICE:
ice.c:33:1: error: insn does not satisfy its constraints:
}
^
(insn 124 42 122 3 (parallel [
(set (reg/f:DI 22 $22 [228])
(symbol_ref:DI ("__bswapsi2") [flags 0x241]))
(clobber (scratch:DI))
]) ice.c:28 287 {*lea64}
(nil))
ice.c:33:1: internal compiler error: in extract_constrain_insn, at recog.c:2190
Tested on Debian's GCC 5.4.0, 6.1.1 and 6.2.0.
The bug does NOT occur on 4.9.2.
