------- Additional Comments From hjl at lucon dot org 2004-12-10 20:23 -------
Created an attachment (id=7721)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=7721&action=view)
A testcase
I got
[EMAIL PROTECTED] tmp]$ /usr/gcc-3.4/bin/gcc -O2 -march=pentium4 -S ~/foo.c
/export/home/hjl/foo.c: In function `amd74xx_ide_dma_check':
/export/home/hjl/foo.c:16297: error: insn does not satisfy its constraints:
(insn 106 48 50 1 (parallel [
(set (reg:CCNO 17 flags)
(compare:CCNO (and:QI (reg/v:QI 4 si [orig:66 speed ] [66])
(const_int -16 [0xfffffff0]))
(const_int 0 [0x0])))
(set (reg/v:QI 4 si [orig:66 speed ] [66])
(and:QI (reg/v:QI 4 si [orig:66 speed ] [66])
(const_int -16 [0xfffffff0])))
]) 205 {*andqi_2} (nil)
(expr_list:REG_UNUSED (reg/v:QI 4 si [orig:66 speed ] [66])
(nil)))
/export/home/hjl/foo.c:16297: internal compiler error: in
copyprop_hardreg_forward_1, at regrename.c:1549
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18932
