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authorJim Wilson <wilson@tuliptree.org>1992-09-16 00:23:52 +0000
committerJim Wilson <wilson@tuliptree.org>1992-09-16 00:23:52 +0000
commit23996caa33cba0811673d5d2642437850eb82084 (patch)
treefe49fa80ab17cc159ed5387d72e8b3f6a53d50c7 /opcodes/sparc-opc.c
parent5640944588014155afff369a7da8c0cd9882ad9b (diff)
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Update to SPARC V9 draft 1.1. Put brfcx before brfc to avoid superfluous
symbol table entries. Document unimplemented synthetic instructions.
Diffstat (limited to 'opcodes/sparc-opc.c')
-rw-r--r--opcodes/sparc-opc.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/opcodes/sparc-opc.c b/opcodes/sparc-opc.c
index 40240f8..b8206fb 100644
--- a/opcodes/sparc-opc.c
+++ b/opcodes/sparc-opc.c
@@ -23,6 +23,9 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
instruction's name rather than the args. This would make gas faster, pinsn
slower, but would mess up some macros a bit. xoxorich. */
+/* v9 FIXME: Doesn't accept `iprefetch', `setX', `signx', `cleartop', `cas',
+ `casx', `clrx', `clruw' synthetic instructions for v9. */
+
#include <stdio.h>
#include "ansidecl.h"
#define BFD_EMIT_TABLE
@@ -37,7 +40,7 @@ const char *architecture_pname[] = {
NULL,
};
-/* v9: This file is correct for SPARC Version 9 Draft 1.0.4. */
+/* v9: This file is correct for SPARC Version 9 Draft 1.1. */
#define COND(x) (((x)&0xf)<<25)
#define MCOND(x,i_or_f) ((((i_or_f)&1)<<18)|(((x)>>11)&(0xf<<14))) /* v9 */
@@ -1686,10 +1689,15 @@ cond ("bz", "tz", CONDZ, F_ALIAS), /* for e */
{ opcode, FBFCC(3)|(mask)|BPRED, ANNUL|FBFCC(~3)|(lose), ",T 9,G", flags|F_DELAYED, v9 }, \
{ opcode, FBFCC(3)|(mask)|BPRED|ANNUL, FBFCC(~3)|(lose), ",a,T 9,G", flags|F_DELAYED, v9 }
+/* v9: We must put `brfcx' before `brfc', to ensure that we never match
+ v9: something against an expression unless it is an expression. Otherwise,
+ v9: we end up with undefined symbol tables entries, because they get added,
+ v9: but are not deleted if the pattern fails to match. */
+
#define condfc(fop, cop, mask, flags) \
- brfc(fop, F2(0, 6)|COND(mask), F2(~0, ~6)|COND(~(mask)), flags), \
brfcx(fop, F2(0, 5)|COND(mask), F2(~0, ~5)|COND(~(mask)), flags), /* v9 */ \
- brfc(cop, F2(0, 7)|COND(mask), F2(~0, ~7)|COND(~(mask)), flags) \
+ brfc(fop, F2(0, 6)|COND(mask), F2(~0, ~6)|COND(~(mask)), flags), \
+ brfc(cop, F2(0, 7)|COND(mask), F2(~0, ~7)|COND(~(mask)), flags)
#define condf(fop, mask, flags) \
brfcx(fop, F2(0, 5)|COND(mask), F2(~0, ~5)|COND(~(mask)), flags), /* v9 */ \
@@ -1723,7 +1731,8 @@ condfc("fbule", "cb013", 0xe, 0),
{ "jmp", F3(2, 0x38, 0), F3(~2, ~0x38, ~0)|RD_G0|ASI_RS2(~0), "1", F_DELAYED, v6 }, /* jmpl rs1+%g0,%g0 */
{ "jmp", F3(2, 0x38, 1), F3(~2, ~0x38, ~1)|RD_G0, "1+i", F_DELAYED, v6 }, /* jmpl rs1+i,%g0 */
{ "jmp", F3(2, 0x38, 1), F3(~2, ~0x38, ~1)|RD_G0, "i+1", F_DELAYED, v6 }, /* jmpl i+rs1,%g0 */
-{ "jmp", F3(2, 0x38, 1), F3(~2, ~0x38, ~1)|RD_G0|RS1_G0, "i", F_DELAYED, v6 }, /* jmpl %g0+i,%g0 */
+{ "jmp", F3(2, 0x38, 1), F3(~2, ~0x38, ~1)|RD_G0|RS1_G0, "i", F_DELAYED, v6 }, /* jmpl %g0+i,%g0 */
+{ "jmp", F3(2, 0x38, 1), F3(~2, ~0x38, ~1)|RD_G0|SIMM13(~0), "1", F_DELAYED, v6 }, /* jmpl rs1+0,%g0 */
{ "nop", F2(0, 4), 0xfeffffff, "", 0, v6 }, /* sethi 0, %g0 */