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In brx macro, check for XCC bit set in xcc insns, and not set in icc insns.

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In cond macro, do brx before br, to avoid getting extra symbol table entries
due to failed pattern matches.
This commit is contained in:
Jim Wilson 1992-09-15 19:55:26 +00:00
parent e25e2b2ccc
commit 866e23d055
1 changed files with 18 additions and 13 deletions
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31
opcodes/sparc-opc.c
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@ -945,18 +945,18 @@ struct sparc_opcode sparc_opcodes[] = {
{ opcode, (mask) , (lose)|ANNUL, "l", (flags), v6 }
#define brx(opcode, mask, lose, flags) /* v9 */ \
{ opcode, (mask), (lose)|ANNUL|BPRED, "Z,G", (flags), v9 }, \
{ opcode, (mask), (lose)|ANNUL|BPRED, ",N Z,G", (flags), v9 }, \
{ opcode, (mask)|ANNUL, (lose)|BPRED, ",a Z,G", (flags), v9 }, \
{ opcode, (mask)|ANNUL, (lose)|BPRED, ",a,N Z,G", (flags), v9 }, \
{ opcode, (mask)|BPRED, (lose)|ANNUL, ",T Z,G", (flags), v9 }, \
{ opcode, (mask)|ANNUL|BPRED, (lose), ",a,T Z,G", (flags), v9 }, \
{ opcode, (mask), (lose)|ANNUL|BPRED, "z,G", (flags), v9 }, \
{ opcode, (mask), (lose)|ANNUL|BPRED, ",N z,G", (flags), v9 }, \
{ opcode, (mask)|ANNUL, (lose)|BPRED, ",a z,G", (flags), v9 }, \
{ opcode, (mask)|ANNUL, (lose)|BPRED, ",a,N z,G", (flags), v9 }, \
{ opcode, (mask)|BPRED, (lose)|ANNUL, ",T z,G", (flags), v9 }, \
{ opcode, (mask)|ANNUL|BPRED, (lose), ",a,T z,G", (flags), v9 }
{ opcode, (mask)|(2<<20), (lose)|ANNUL|BPRED, "Z,G", (flags), v9 }, \
{ opcode, (mask)|(2<<20), (lose)|ANNUL|BPRED, ",N Z,G", (flags), v9 }, \
{ opcode, (mask)|(2<<20)|ANNUL, (lose)|BPRED, ",a Z,G", (flags), v9 }, \
{ opcode, (mask)|(2<<20)|ANNUL, (lose)|BPRED, ",a,N Z,G", (flags), v9 }, \
{ opcode, (mask)|(2<<20)|BPRED, (lose)|ANNUL, ",T Z,G", (flags), v9 }, \
{ opcode, (mask)|(2<<20)|ANNUL|BPRED, (lose), ",a,T Z,G", (flags), v9 }, \
{ opcode, (mask), (lose)|(2<<20)|ANNUL|BPRED, "z,G", (flags), v9 }, \
{ opcode, (mask), (lose)|(2<<20)|ANNUL|BPRED, ",N z,G", (flags), v9 }, \
{ opcode, (mask)|ANNUL, (lose)|(2<<20)|BPRED, ",a z,G", (flags), v9 }, \
{ opcode, (mask)|ANNUL, (lose)|(2<<20)|BPRED, ",a,N z,G", (flags), v9 }, \
{ opcode, (mask)|BPRED, (lose)|(2<<20)|ANNUL, ",T z,G", (flags), v9 }, \
{ opcode, (mask)|ANNUL|BPRED, (lose)|(2<<20), ",a,T z,G", (flags), v9 }
/* Define four traps: reg+reg, reg + immediate, immediate alone, reg alone. */
#define tr(opcode, mask, lose, flags) \
@ -973,10 +973,15 @@ struct sparc_opcode sparc_opcodes[] = {
{ opcode, (mask), IMMED|(lose), "1+2", (flags), v6 }, /* rs1 + rs2 */ \
{ opcode, (mask), IMMED|(lose)|RS2_G0, "1", (flags), v6 } /* rs1 + %g0 */
/* v9: We must put `brx' before `br', to ensure that we never match something
v9: against an expression unless it is an expression. Otherwise, we end
v9: up with undefined symbol tables entries, because they get added, but
v9: are not deleted if the pattern fails to match. */
/* Define both branches and traps based on condition mask */
#define cond(bop, top, mask, flags) \
br(bop, F2(0, 2)|(mask), F2(~0, ~2)|((~mask)&COND(~0)), F_DELAYED|(flags)), \
brx(bop, F2(0, 1)|(mask), F2(~0, ~1)|((~mask)&COND(~0)), F_DELAYED|(flags)), /* v9 */ \
br(bop, F2(0, 2)|(mask), F2(~0, ~2)|((~mask)&COND(~0)), F_DELAYED|(flags)), \
tr(top, F3(2, 0x3a, 0)|(mask), F3(~2, ~0x3a, 0)|((~mask)&COND(~0)), (flags))
/* Define all the conditions, all the branches, all the traps. */