[Bug target/36259] New: libdecnumber/decNumber.c:711: internal compiler error: in reload_cse_simplify_operands, at postreload.c:395

[Bug target/36259] New: libdecnumber/decNumber.c:711: internal compiler error: in reload_cse_simplify_operands, at postreload.c:395

[danglin at gcc dot gnu dot org]

In stage2,

source='../../gcc/libdecnumber/decNumber.c' object='decNumber.o' libtool=no
/Users/dave/gnu/gcc/objdir/./prev-gcc/xgcc
-B/Users/dave/gnu/gcc/objdir/./prev-gcc/
-B/opt/gnu/gcc/gcc-4.4.0/i686-apple-darwin9/bin/  -I../../gcc/libdecnumber -I. 
-g -O2 -fomit-frame-pointer -W -Wall -Wwrite-strings -Wstrict-prototypes
-Wmissing-prototypes -Wold-style-definition -Wmissing-format-attribute
-Wcast-qual -pedantic -Wno-long-long -Werror -I../../gcc/libdecnumber -I.  -c
../../gcc/libdecnumber/decNumber.c
../../gcc/libdecnumber/decNumber.c: In function 'decNumberFromString':
../../gcc/libdecnumber/decNumber.c:711: error: insn does not satisfy its
constraints:
(insn 739 337 338 69 ../../gcc/libdecnumber/decNumber.c:599 (set (mem/c:QI
(plus:SI (reg/f:SI 7 sp)
                (const_int 31 [0x1f])) [316 prephitmp.4485+0 S1 A8])
        (reg:QI 4 si)) 62 {*movqi_1} (nil))
../../gcc/libdecnumber/decNumber.c:711: internal compiler error: in
reload_cse_simplify_operands, at postreload.c:395

dave@john-david-anglins-mac-pro:~/gnu/gcc/objdir/prev-gcc$ ./xgcc -B./ -v
Reading specs from ./specs
Target: i686-apple-darwin9
Configured with: ../gcc/configure --build=i686-apple-darwin9
--host=i686-apple-darwin9 --target=i686-apple-darwin9 --with-gnu-as
--with-tune=generic --prefix=/opt/gnu/gcc/gcc-4.4.0 --enable-debug=no
--disable-nls --enable-languages=c,c++,objc,fortran,ada,obj-c++,java
Thread model: posix
gcc version 4.4.0 20080518 (experimental) [trunk revision 135503] (GCC)


-- 
           Summary: libdecnumber/decNumber.c:711: internal compiler error:
                    in reload_cse_simplify_operands, at postreload.c:395
           Product: gcc
           Version: 4.4.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: danglin at gcc dot gnu dot org
 GCC build triplet: i686-apple-darwin9
  GCC host triplet: i686-apple-darwin9
GCC target triplet: i686-apple-darwin9


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36259

[Bug target/36259] libdecnumber/decNumber.c:711: internal compiler error: in reload_cse_simplify_operands, at postreload.c:395

[ubizjak at gmail dot com]

------- Comment #1 from ubizjak at gmail dot com  2008-05-18 17:02 -------
Hm, I have reverted my TARGET_SECONDARY_RELOAD patch while this issue is being
investigated. For some reason, copying %esi to Q_REGS class doesn't happen...

Fixed by reverting the problematic patch for now.


-- 

ubizjak at gmail dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |FIXED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36259

[Bug target/36259] libdecnumber/decNumber.c:711: internal compiler error: in reload_cse_simplify_operands, at postreload.c:395

[dominiq at lps dot ens dot fr]

------- Comment #2 from dominiq at lps dot ens dot fr  2008-05-18 17:51 -------
I got similar errors for an incremental update:

...
/opt/gcc/i686-darwin/./prev-gcc/xgcc -B/opt/gcc/i686-darwin/./prev-gcc/
-B/opt/gcc/gcc4.4w/i686-apple-darwin9/bin/ -c  -g -O2 -fomit-frame-pointer
-DIN_GCC   -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes
-Wold-style-definition -Wmissing-format-attribute -pedantic -Wno-long-long
-Wno-variadic-macros                                     
-Wno-overlength-strings -Werror -fno-common  -DHAVE_CONFIG_H -I. -I.
-I../../gcc-4.4-work/gcc -I../../gcc-4.4-work/gcc/.
-I../../gcc-4.4-work/gcc/../include -I./../intl
-I../../gcc-4.4-work/gcc/../libcpp/include -I/sw/include 
-I../../gcc-4.4-work/gcc/../libdecnumber
-I../../gcc-4.4-work/gcc/../libdecnumber/dpd -I../libdecnumber 
../../gcc-4.4-work/gcc/tree.c -o tree.o
../../gcc-4.4-work/gcc/tree-vrp.c: In function 'find_case_label_range':
../../gcc-4.4-work/gcc/tree-vrp.c:5593: error: insn does not satisfy its
constraints:
(insn 692 79 80 6 ../../gcc-4.4-work/gcc/tree-vrp.c:5564 (set (mem/c:QI
(plus:SI (reg/f:SI 7 sp)
                (const_int 35 [0x23])) [278 take_default+0 S1 A8])
        (reg:QI 4 si)) 62 {*movqi_1} (nil))
../../gcc-4.4-work/gcc/tree-vrp.c:5593: internal compiler error: in
reload_cse_simplify_operands, at postreload.c:395
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[3]: *** [tree-vrp.o] Error 1
make[3]: *** Waiting for unfinished jobs....
../../gcc-4.4-work/gcc/tree.c: In function 'build2_stat':
../../gcc-4.4-work/gcc/tree.c:3214: error: insn does not satisfy its
constraints:
(insn 698 299 699 51 ../../gcc-4.4-work/gcc/tree.c:3201 (set (mem/c:QI (plus:SI
(reg/f:SI 7 sp)
                (const_int 64 [0x40])) [621 side_effects+0 S1 A8])
        (reg:QI 4 si)) 62 {*movqi_1} (nil))
../../gcc-4.4-work/gcc/tree.c:3214: internal compiler error: in
reload_cse_simplify_operands, at postreload.c:395
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[3]: *** [tree.o] Error 1
make[2]: *** [all-stage2-gcc] Error 2
make[1]: *** [stage2-bubble] Error 2
make: *** [all] Error 2


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36259