diff options
Diffstat (limited to 'amd64/emit.c')
| -rw-r--r-- | amd64/emit.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/amd64/emit.c b/amd64/emit.c index 7c88955..28fda92 100644 --- a/amd64/emit.c +++ b/amd64/emit.c @@ -540,6 +540,14 @@ DEFINSTR2(Xand, {4|8, PGPR, PI32, "\x81", EN_RI32, .ext=4}, /* AND r32/64, imm */ { 8, PGPR, PMEM, "\x23", EN_RM}, /* AND r64, m64 */ ) +DEFINSTR2(Xior, + {4|8, PGPR, PGPR, "\x0B", EN_RR}, /* OR r32/64, r32/64 */ + {4|8, PGPR, PI8, "\x83", EN_RI8, .ext=1}, /* OR r32/64, imm8 */ + {4|8, PRAX, PI32, "\x0D", EN_I32}, /* OR eax/rax, imm */ + {4|8, PGPR, PI32, "\x81", EN_RI32, .ext=1}, /* OR r32/64, imm */ + { 8, PGPR, PMEM, "\x0B", EN_RM}, /* OR r64, m64 */ + {4|8, PFPR, PFPR, "\x0F\x57", EN_RR}, /* ORPS xmm, xmm */ +) DEFINSTR2(Xxor, {4|8, PGPR, PGPR, "\x33", EN_RR}, /* XOR r32/64, r32/64 */ {4|8, PGPR, PI8, "\x83", EN_RI8, .ext=6}, /* XOR r32/64, imm8 */ @@ -586,6 +594,10 @@ DEFINSTR2(Xcmp, {4|8, PRAX, PI32, "\x3D", EN_I32}, /* CMP eax/rax, imm */ {4|8, PGPR, PI32, "\x81", EN_RI32, .ext=7}, /* CMP r32/64, imm */ { 8, PGPR, PMEM, "\x3B", EN_RM}, /* CMP r64, m64 */ + {4 , PFPR, PFPR, "\x0F\x2F", EN_RR}, /* COMISS xmm, xmm */ + {4 , PFPR, PMEM, "\x0F\x2F", EN_RM}, /* COMISS xmm, m32 */ + { 8, PFPR, PFPR, "\x66\x0F\x2F", EN_RR}, /* COMISD xmm, xmm */ + { 8, PFPR, PMEM, "\x66\x0F\x2F", EN_RM}, /* COMISD xmm, m64 */ ) DEFINSTR2(Xtest, {4|8, PRAX, PI8, "\xA8", EN_I8}, /* TEST AL, imm8 */ @@ -896,6 +908,7 @@ emitinstr(uchar **pcode, struct function *fn, struct block *blk, int curi, struc X = Xand; goto ALU2; case Oxor: X = Xxor; goto ALU2; + case Oior: X = Xior; goto ALU2; ALU2: dst = mkregoper(ins->l); assert(ins->reg-1 == dst.reg); @@ -943,10 +956,10 @@ emitinstr(uchar **pcode, struct function *fn, struct block *blk, int curi, struc Xxor(pcode, KI4, dst, dst); regzeroed = 1; } - if (ins->r.bits != ZEROREF.bits) - Xcmp(pcode, cls, dst, src); - else + if (kisint(ins->cls) && ins->r.bits == ZEROREF.bits) Xtest(pcode, cls, dst, dst); + else + Xcmp(pcode, cls, dst, src); if (ins->reg) { enum cc cc; dst = reg2oper(ins->reg-1); |