Alpha: s?addl pattern doesn't work
>Submitter-Id: net
>Originator: "Falk Hueffner" <falk@debian.org>
>Organization: The Debian Project
>Confidential: no
>Synopsis:
>Severity: non-critical
>Priority: low
>Category: target
>Class: pessimizes-code
>Release: 3.2.1 (Debian) (Debian unstable)
>Environment:
System: Debian GNU/Linux (unstable)
Architecture: alpha
host: alpha-linux
Configured with: /home/packages/gcc/3.2/gcc-3.2-3.2.1ds5/src/configure -v --enable-languages=c,c++,java,f77,proto,objc,ada --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-gxx-include-dir=/usr/include/c++/3.2 --enable-shared --with-system-zlib --enable-nls --without-included-gettext --enable-__cxa_atexit --enable-clocale=gnu --enable-java-gc=boehm --enable-objc-gc alpha-linux
>Description:
[ Reported to the Debian BTS as report #161432.
Please CC 161432@bugs.debian.org on replies.
Log of report can be found at http://bugs.debian.org/161432 ]
[ gcc version was gcc-3.2 branch 20020913 ]
the s?addl and s?subl patterns don't work, as illustrated by these programs:
falk@juist:/tmp% cat test.c
int f(int x, int y) { return 4 * x + y; }
int g(int x) { return 3 * x; }
falk@juist:/tmp% gcc-3.2 -O3 -c test.c
falk@juist:/tmp% objdump -d test.o
test.o: file format elf64-alpha
Disassembly of section .text:
0000000000000000 <f>:
0: 41 04 11 42 s4addq a0,a1,t0
4: 00 00 3f 40 addl t0,zero,v0
8: 01 80 fa 6b ret
c: 00 00 fe 2f unop
0000000000000010 <g>:
10: 61 05 10 42 s4subq a0,a0,t0
14: 00 00 3f 40 addl t0,zero,v0
18: 01 80 fa 6b ret
1c: 00 00 fe 2f unop
>How-To-Repeat:
>Fix:
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