Package: gcc-4.0 Version: 4.0.0-12 Severity: important Compiling tin 1.7.10+20050727 on m68k fails.
gcc -DHAVE_CONFIG_H -I. -I../include -I/usr/include
-DLOCALEDIR=\"/usr/share/locale\" -I../include -DUSE_CANLOCK -D_GNU_SOURCE -g
-O2 -c ./save.c
./save.c: In function 'uudecode_line':
./save.c:1053: error: unable to find a register to spill in class 'ADDR_REGS'
./save.c:1053: error: this is the insn:
(insn 22 21 23 0 ./save.c:1031 (set (reg/v:SI 12 %a4 [orig:40 n.152 ] [40])
(plus:SI (subreg:SI (mem:QI (reg/v/f:SI 10 %a2 [orig:46 buf ] [46]) [0
S1 A8]) 0)
(const_int 32 [0x20]))) 95 {*addsi3_internal}
(insn_list:REG_DEP_TRUE 13 (nil))
(nil))
./save.c:1053: confused by earlier errors, bailing out
make: *** [save.o] Error 1
How to reproduce:
$ apt-get unpack tin
$ ./debian/rules configure
$ cd build-tree/tin-1.7.10/src/
$ make save.o
Using -O1 fixes it, and if I move uudecode_line() alone to a new file
I cannot reproduce the bug (so I cannot provide a simple test case).
I do not think that this function has changed in the last few years, so
it's probably a gcc 4.0 regression.
--
ciao,
Marco
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