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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.
This commit is contained in:
Jim Wilson 1992-09-16 00:23:52 +00:00
parent 5640944588
commit 23996caa33
1 changed files with 13 additions and 4 deletions
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17
opcodes/sparc-opc.c
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@ -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 */