Bug of gas (binutils-2.9.1.0.23): Wrong code for SETHI on SPARC
H.J. Lu
hjl@lucon.org
Fri Apr 2 17:27:00 GMT 1999
> Let me know what you get.
>
> Thanks.
>
>
> H.J.
> ---
> Fri Apr 2 16:05:25 1999 H.J. Lu (hjl@gnu.org)
>
> * sparc-opc.c: Change "sethi" from "h,d" to "n,d".
>
> I don't think that can be right. I think it will do the wrong thing
> for
> sethi foo,%i0
>
First, the current gas handles
sethi foo,%i0
differently than Solaris' as. Solaris' as generates R_SPARC_22. But gas
generates R_SPARC_HI22. The patch enclosed here makes gas matches
Solaris' as. But I don't know if it is correct :-).
Thanks.
--
H.J. Lu (hjl@gnu.org)
---
Index: gas/ChangeLog.linux
===================================================================
RCS file: /local/work/cvs/gnu/binutils/gas/ChangeLog.linux,v
retrieving revision 1.62
diff -u -p -r1.62 ChangeLog.linux
--- gas/ChangeLog.linux 1999/03/31 18:21:59 1.62
+++ gas/ChangeLog.linux 1999/04/03 01:22:45
@@ -1,3 +1,7 @@
+Fri Apr 2 17:22:33 1999 H.J. Lu (hjl@gnu.org)
+
+ * config/tc-sparc.c (tc_gen_reloc): Handle BFD_RELOC_SPARC22.
+
Sun Mar 28 15:32:42 1999 H.J. Lu (hjl@gnu.org)
* Makefile.in: Regenerated with automake 1.4.
Index: gas/config/tc-sparc.c
===================================================================
RCS file: /local/work/cvs/gnu/binutils/gas/config/tc-sparc.c,v
retrieving revision 1.10
diff -u -p -r1.10 tc-sparc.c
--- gas/config/tc-sparc.c 1999/03/31 17:24:48 1.10
+++ gas/config/tc-sparc.c 1999/04/03 01:05:44
@@ -2721,6 +2721,7 @@ tc_gen_reloc (section, fixp)
case BFD_RELOC_LO10:
case BFD_RELOC_32_PCREL_S2:
case BFD_RELOC_SPARC13:
+ case BFD_RELOC_SPARC22:
case BFD_RELOC_SPARC_BASE13:
case BFD_RELOC_SPARC_WDISP16:
case BFD_RELOC_SPARC_WDISP19:
Index: opcodes/ChangeLog.linux
===================================================================
RCS file: /local/work/cvs/gnu/binutils/opcodes/ChangeLog.linux,v
retrieving revision 1.40
diff -u -p -r1.40 ChangeLog.linux
--- opcodes/ChangeLog.linux 1999/03/31 17:24:49 1.40
+++ opcodes/ChangeLog.linux 1999/04/03 01:07:01
@@ -1,3 +1,7 @@
+Fri Apr 2 16:05:25 1999 H.J. Lu (hjl@gnu.org)
+
+ * sparc-opc.c: Change "sethi" from "h,d" to "n,d".
+
Sun Mar 28 11:48:17 1999 H.J. Lu (hjl@gnu.org)
* i386-dis.c (INSN_FWAIT): New, defined.
Index: opcodes/sparc-opc.c
===================================================================
RCS file: /local/work/cvs/gnu/binutils/opcodes/sparc-opc.c,v
retrieving revision 1.7
diff -u -p -r1.7 sparc-opc.c
--- opcodes/sparc-opc.c 1998/12/05 03:38:56 1.7
+++ opcodes/sparc-opc.c 1999/04/03 01:06:34
@@ -1379,7 +1379,7 @@ CONDFC ("fbule", "cb013", 0xe, 0),
{ "setsw", F2(0x0, 0x4), F2(~0x0, ~0x4), "Sh,d", F_ALIAS, v9 },
{ "setx", F2(0x0, 0x4), F2(~0x0, ~0x4), "S0,1,d", F_ALIAS, v9 },
-{ "sethi", F2(0x0, 0x4), F2(~0x0, ~0x4), "h,d", 0, v6 },
+{ "sethi", F2(0x0, 0x4), F2(~0x0, ~0x4), "n,d", 0, v6 },
{ "taddcc", F3(2, 0x20, 0), F3(~2, ~0x20, ~0)|ASI(~0), "1,2,d", 0, v6 },
{ "taddcc", F3(2, 0x20, 1), F3(~2, ~0x20, ~1), "1,i,d", 0, v6 },
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