Compiling libgfortran results in this ICE:
../../../libgfortran/generated/maxloc0_16_i4.c: In function
‘maxloc0_16_i4’:
../../../libgfortran/generated/maxloc0_16_i4.c:154: error: unrecognizable insn:
(insn 592 591 593 22 ../../../libgfortran/generated/maxloc0_16_i4.c:107 (set
(mem:DI (post_modify:DI (reg:DI 17 r17 [orig:382 ivtmp.83 ] [382])
(plus:DI (reg:DI 17 r17 [orig:382 ivtmp.83 ] [382])
(reg:DI 23 r23 [orig:377 ivtmp.115 ] [377]))) [11 S8 A64])
(reg:DI 15 r15)) -1 (nil)
(expr_list:REG_INC (reg:DI 17 r17 [orig:382 ivtmp.83 ] [382])
(nil)))
../../../libgfortran/generated/maxloc0_16_i4.c:154: internal compiler error: in
extract_insn, at recog.c:2084
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
This appears to be a very old bug, I was able to reproduce it with 3.3
20020930.
--
Summary: ICE in extract_insn while compiling libgfortran
Product: gcc
Version: 4.1.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code, build
Severity: normal
Priority: P2
Component: target
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: schwab at suse dot de
GCC target triplet: ia64-*-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24193
