Re: ALIAS instructions are messed up?

[Joern Rennecke <joern.rennecke@embecosm.com>]

Quoting Doug Evans <dje@sebabeach.org>:
> Let's fix this.  Do you have an example readily available?

The port where I have most recently encountered this is under NDA,
so I just made up a relevant macro insn for the frv:

Index: frv.cpu
===================================================================
RCS file: /cvs/src/src/cpu/frv.cpu,v
retrieving revision 1.25
diff -u -r1.25 frv.cpu
--- frv.cpu     7 Jan 2009 01:09:24 -0000       1.25
+++ frv.cpu     5 Oct 2009 21:36:15 -0000
@@ -5786,6 +5786,12 @@
  (register-transfer-spr movgs OP_03 OPE1_06 GRj spr u-gr2spr  
"transfer gr->spr")
  (register-transfer-spr movsg OP_03 OPE1_07 spr GRj u-spr2gr  
"transfer spr->gr")

+(dnmi movgs_pcsr ""
+       ()
+       ("movgs_pcsr$pack $GRj")
+       (emit movgs pack GRj (spr 1))
+)
+
  ; Integer Branch Conditions
  (define-pmacro (Inev cc) (const BI 0))
  (define-pmacro (Ira  cc) (const BI 1))
[bld-frv]$ cat tst.S
movgs sp,pcsr
movgs sp,hsr49
movgs_pcsr sp
[bld-frv]$ gas/as-new -ahld tst.S
FRV GAS  tst.S                  page 1


    1 0000 800C1181      movgs sp,pcsr
    2 0004 820C1181      movgs sp,hsr49
    3 0008 820C1181      movgs_pcsr sp