https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99663
--- Comment #5 from Matthias Klose <doko at debian dot org> ---
and the reduction for the original ICE:
typedef struct {
int exponent;
unsigned short lsu[];
} decNumber;
decNumber decDivideOp_lhs;
short decDivideOp_varbuff;
void decDivideOp(decNumber *rhs) {
short *msu1;
int exponent;
unsigned short *source;
for (; source >= decDivideOp_lhs.lsu; source--, msu1--)
*msu1 = *source;
for (;;)
if (exponent)
if (decDivideOp_varbuff)
exponent = rhs->exponent;
}
$ build/gcc/xgcc -Bbuild/gcc/ -c -mtune=z15 -march=z13 -mzarch -O2
-fno-stack-protector -fPIC decNumber.i
decNumber.i: In function ‘decDivideOp’:
decNumber.i:17:1: error: insn does not satisfy its constraints:
17 | }
| ^
(insn 7 6 2 2 (set (reg:DI 3 %r3 [69])
(plus:DI (reg:DI 0 %r0 [77])
(const_int 4 [0x4]))) "decNumber.i":11:17 1471 {*la_64}
(nil))
during RTL pass: reload
decNumber.i:17:1: internal compiler error: in extract_constrain_insn, at
recog.c:2670
0x218b329 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
../../src/gcc/rtl-error.c:108
0x218b4b5 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
../../src/gcc/rtl-error.c:118
0x20d66a1 extract_constrain_insn(rtx_insn*)
../../src/gcc/recog.c:2670
0x1ead125 check_rtl
../../src/gcc/lra.c:2087
0x1eae299 lra(_IO_FILE*)
../../src/gcc/lra.c:2505
0x1e13ec3 do_reload
../../src/gcc/ira.c:5834
0x1e145f1 execute
../../src/gcc/ira.c:6020
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
