https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67643
Bug ID: 67643
Summary: [SH] ICE with ISR and -mfmovd
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: olegendo at gcc dot gnu.org
Target Milestone: ---
Target: sh*-*-*
The following ...
extern void foo (void);
void __attribute__((interrupt_handler))
isr2 (void)
{
foo ();
}
compiled with -m4a -ml -mfmovd -O2 results in:
sh_tmp2.cpp: In function 'isr2':
sh_tmp2.cpp:11:1: error: unrecognizable insn:
}
^
(insn 15 14 16 2 (parallel [
(set (reg:SI 151 )
(mem/c:SI (reg:SI 1 r1) [2 __fpscr_values+4 S4 A32]))
(set (reg:SI 155 fpscr1)
(unspec_volatile:SI [
(const_int 0 [0])
] UNSPECV_FPSCR_STAT))
(set (reg:SI 154 fpscr0)
(unspec_volatile:SI [
(const_int 0 [0])
] UNSPECV_FPSCR_MODES))
]) sh_tmp2.cpp:9 -1
(expr_list:REG_UNUSED (reg:SI 155 fpscr1)
(expr_list:REG_UNUSED (reg:SI 151 )
(nil))))
sh_tmp2.cpp:11:1: internal compiler error: in extract_insn, at recog.c:2297
0xa18333 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
../../gcc-trunk2/gcc/rtl-error.c:109
0xa18369 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
../../gcc-trunk2/gcc/rtl-error.c:117
0x9e0c0f extract_insn(rtx_insn*)
../../gcc-trunk2/gcc/recog.c:2297
0x9e1d28 extract_constrain_insn(rtx_insn*)
../../gcc-trunk2/gcc/recog.c:2198
0x9e540e copyprop_hardreg_forward_1
../../gcc-trunk2/gcc/regcprop.c:778
0x9e618d execute
../../gcc-trunk2/gcc/regcprop.c:1268
Please submit a full bug report,
