Re: extrwi mnemonic conversion bounding error?

[Alan Modra]

On Tue, Jan 07, 2003 at 01:44:19PM -0500, Jason Sullivan wrote:
> Gas refuses to assemble the following statement, citing a bounding error...
> 
> extrwi  G1,G2,6,26

Fixed like this.

opcodes/ChangeLog
        * ppc-opc.c (powerpc_macros <extrwi>): Accept a shift of 32.

Index: opcodes/ppc-opc.c
===================================================================
RCS file: /cvs/src/src/opcodes/ppc-opc.c,v
retrieving revision 1.46
diff -u -p -r1.46 ppc-opc.c
--- opcodes/ppc-opc.c   5 Dec 2002 23:48:23 -0000       1.46
+++ opcodes/ppc-opc.c   8 Jan 2003 01:34:57 -0000
@@ -4552,8 +4552,8 @@ const struct powerpc_macro powerpc_macro
 
 { "extlwi",  4,   PPCCOM,      "rlwinm %0,%1,%3,0,(%2)-1" },
 { "extlwi.", 4,   PPCCOM,      "rlwinm. %0,%1,%3,0,(%2)-1" },
-{ "extrwi",  4,   PPCCOM,      "rlwinm %0,%1,(%2)+(%3),32-(%2),31" },
-{ "extrwi.", 4,   PPCCOM,      "rlwinm. %0,%1,(%2)+(%3),32-(%2),31" },
+{ "extrwi",  4,   PPCCOM,      "rlwinm 
%0,%1,((%2)+(%3))&((%2)+(%3)<>32),32-(%2),31" },
+{ "extrwi.", 4,   PPCCOM,      "rlwinm. 
%0,%1,((%2)+(%3))&((%2)+(%3)<>32),32-(%2),31" },
 { "inslwi",  4,   PPCCOM,      "rlwimi 
%0,%1,(-(%3)!31)&((%3)|31),%3,(%2)+(%3)-1" },
 { "inslwi.", 4,   PPCCOM,      "rlwimi. 
%0,%1,(-(%3)!31)&((%3)|31),%3,(%2)+(%3)-1"},
 { "insrwi",  4,   PPCCOM,      "rlwimi %0,%1,32-((%2)+(%3)),%3,(%2)+(%3)-1" },

-- 
Alan Modra
IBM OzLabs - Linux Technology Centre