http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57431
Bug ID: 57431
Summary: ICE in simplify_const_unary_operation
vld1_dup_s64/vst1_s64
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: christophe.lyon at st dot com
Created attachment 30204
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30204&action=edit
testcase
The attached program makes GCC crash when using -O1, -O2 or -O3. Compiles fine
with -O0.
$ arm-none-linux-gnueabi-gcc -mcpu=cortex-a9 -mfloat-abi=softfp -mfpu=neon -O1
-c myref_vld1_dup.c
myref_vld1_dup.c: In function 'exec_vld1_dup':
myref_vld1_dup.c:16:1: internal compiler error: in
simplify_const_unary_operation, at simplify-rtx.c:1503
}
^
0xa768aa simplify_const_unary_operation(rtx_code, machine_mode, rtx_def*,
machine_mode)
/work1/lyon/Work/ARM/Linaro/sources/gcc-fsf/trunk/gcc/simplify-rtx.c:1503
0xa743b4 simplify_unary_operation(rtx_code, machine_mode, rtx_def*,
machine_mode)
/work1/lyon/Work/ARM/Linaro/sources/gcc-fsf/trunk/gcc/simplify-rtx.c:791
0xffc467 fold_rtx
/work1/lyon/Work/ARM/Linaro/sources/gcc-fsf/trunk/gcc/cse.c:3287
0xfff4d0 cse_insn
/work1/lyon/Work/ARM/Linaro/sources/gcc-fsf/trunk/gcc/cse.c:4573
0x1004e2e cse_extended_basic_block
/work1/lyon/Work/ARM/Linaro/sources/gcc-fsf/trunk/gcc/cse.c:6405
0x10053ca cse_main
/work1/lyon/Work/ARM/Linaro/sources/gcc-fsf/trunk/gcc/cse.c:6583
0x10070b1 rest_of_handle_cse
/work1/lyon/Work/ARM/Linaro/sources/gcc-fsf/trunk/gcc/cse.c:7433
