diff options
Diffstat (limited to 'tcg/s390/tcg-target.c')
| -rw-r--r-- | tcg/s390/tcg-target.c | 41 |
1 files changed, 39 insertions, 2 deletions
diff --git a/tcg/s390/tcg-target.c b/tcg/s390/tcg-target.c index 81e2f6ab4c..dbe2fa66d0 100644 --- a/tcg/s390/tcg-target.c +++ b/tcg/s390/tcg-target.c @@ -158,6 +158,9 @@ typedef enum S390Opcode { RRE_SLBGR = 0xb989, RRE_XGR = 0xb982, + RRF_LOCR = 0xb9f2, + RRF_LOCGR = 0xb9e2, + RR_AR = 0x1a, RR_ALR = 0x1e, RR_BASR = 0x0d, @@ -342,6 +345,7 @@ static uint8_t *tb_ret_addr; #define FACILITY_LONG_DISP (1ULL << (63 - 18)) #define FACILITY_EXT_IMM (1ULL << (63 - 21)) #define FACILITY_GEN_INST_EXT (1ULL << (63 - 34)) +#define FACILITY_LOAD_ON_COND (1ULL << (63 - 45)) static uint64_t facilities; @@ -638,6 +642,12 @@ static void tcg_out_insn_RRE(TCGContext *s, S390Opcode op, tcg_out32(s, (op << 16) | (r1 << 4) | r2); } +static void tcg_out_insn_RRF(TCGContext *s, S390Opcode op, + TCGReg r1, TCGReg r2, int m3) +{ + tcg_out32(s, (op << 16) | (m3 << 12) | (r1 << 4) | r2); +} + static void tcg_out_insn_RI(TCGContext *s, S390Opcode op, TCGReg r1, int i2) { tcg_out32(s, (op << 16) | (r1 << 20) | (i2 & 0xffff)); @@ -1169,9 +1179,9 @@ static int tgen_cmp(TCGContext *s, TCGType type, TCGCond c, TCGReg r1, } static void tgen_setcond(TCGContext *s, TCGType type, TCGCond c, - TCGReg dest, TCGReg r1, TCGArg c2, int c2const) + TCGReg dest, TCGReg c1, TCGArg c2, int c2const) { - int cc = tgen_cmp(s, type, c, r1, c2, c2const); + int cc = tgen_cmp(s, type, c, c1, c2, c2const); /* Emit: r1 = 1; if (cc) goto over; r1 = 0; over: */ tcg_out_movi(s, type, dest, 1); @@ -1179,6 +1189,23 @@ static void tgen_setcond(TCGContext *s, TCGType type, TCGCond c, tcg_out_movi(s, type, dest, 0); } +static void tgen_movcond(TCGContext *s, TCGType type, TCGCond c, TCGReg dest, + TCGReg c1, TCGArg c2, int c2const, TCGReg r3) +{ + int cc; + if (facilities & FACILITY_LOAD_ON_COND) { + cc = tgen_cmp(s, type, c, c1, c2, c2const); + tcg_out_insn(s, RRF, LOCGR, dest, r3, cc); + } else { + c = tcg_invert_cond(c); + cc = tgen_cmp(s, type, c, c1, c2, c2const); + + /* Emit: if (cc) goto over; dest = r3; over: */ + tcg_out_insn(s, RI, BRC, cc, (4 + 4) >> 1); + tcg_out_insn(s, RRE, LGR, dest, r3); + } +} + static void tgen_gotoi(TCGContext *s, int cc, tcg_target_long dest) { tcg_target_long off = (dest - (tcg_target_long)s->code_ptr) >> 1; @@ -1855,6 +1882,10 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc, tgen_setcond(s, TCG_TYPE_I32, args[3], args[0], args[1], args[2], const_args[2]); break; + case INDEX_op_movcond_i32: + tgen_movcond(s, TCG_TYPE_I32, args[5], args[0], args[1], + args[2], const_args[2], args[3]); + break; case INDEX_op_qemu_ld8u: tcg_out_qemu_ld(s, args, LD_UINT8); @@ -2060,6 +2091,10 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc, tgen_setcond(s, TCG_TYPE_I64, args[3], args[0], args[1], args[2], const_args[2]); break; + case INDEX_op_movcond_i64: + tgen_movcond(s, TCG_TYPE_I64, args[5], args[0], args[1], + args[2], const_args[2], args[3]); + break; case INDEX_op_qemu_ld32u: tcg_out_qemu_ld(s, args, LD_UINT32); @@ -2125,6 +2160,7 @@ static const TCGTargetOpDef s390_op_defs[] = { { INDEX_op_brcond_i32, { "r", "rWC" } }, { INDEX_op_setcond_i32, { "r", "r", "rWC" } }, + { INDEX_op_movcond_i32, { "r", "r", "rWC", "r", "0" } }, { INDEX_op_qemu_ld8u, { "r", "L" } }, { INDEX_op_qemu_ld8s, { "r", "L" } }, @@ -2191,6 +2227,7 @@ static const TCGTargetOpDef s390_op_defs[] = { { INDEX_op_brcond_i64, { "r", "rC" } }, { INDEX_op_setcond_i64, { "r", "r", "rC" } }, + { INDEX_op_movcond_i64, { "r", "r", "rC", "r", "0" } }, { INDEX_op_qemu_ld32u, { "r", "L" } }, { INDEX_op_qemu_ld32s, { "r", "L" } }, |