diff options
| author | Aurelien Jarno <aurelien@aurel32.net> | 2010-02-08 16:37:37 +0100 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2010-02-08 16:37:37 +0100 |
| commit | 4cb26382182bf5256de1d9058739946d922e9f49 (patch) | |
| tree | 90bee28cb409a91cc32e1d66e2482ccdcf655b0a | |
| parent | 74f42e182ae1f95f9c88368c86b1177d6607bc76 (diff) | |
tcg/mips: implement setcond
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
| -rw-r--r-- | tcg/mips/tcg-target.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/tcg/mips/tcg-target.c b/tcg/mips/tcg-target.c index 8fcb5c99c3..d181ff1e05 100644 --- a/tcg/mips/tcg-target.c +++ b/tcg/mips/tcg-target.c @@ -274,6 +274,8 @@ enum { OPC_BEQ = 0x04 << 26, OPC_BNE = 0x05 << 26, OPC_ADDIU = 0x09 << 26, + OPC_SLTI = 0x0A << 26, + OPC_SLTIU = 0x0B << 26, OPC_ANDI = 0x0C << 26, OPC_ORI = 0x0D << 26, OPC_XORI = 0x0E << 26, @@ -583,6 +585,64 @@ static void tcg_out_brcond2(TCGContext *s, int cond, int arg1, reloc_pc16(label_ptr, (tcg_target_long) s->code_ptr); } +static void tcg_out_setcond(TCGContext *s, int cond, int ret, + int arg1, int arg2) +{ + switch (cond) { + case TCG_COND_EQ: + if (arg1 == 0) { + tcg_out_opc_imm(s, OPC_SLTIU, ret, arg2, 1); + } else if (arg2 == 0) { + tcg_out_opc_imm(s, OPC_SLTIU, ret, arg1, 1); + } else { + tcg_out_opc_reg(s, OPC_XOR, TCG_REG_AT, arg1, arg2); + tcg_out_opc_imm(s, OPC_SLTIU, ret, TCG_REG_AT, 1); + } + break; + case TCG_COND_NE: + if (arg1 == 0) { + tcg_out_opc_reg(s, OPC_SLTU, ret, TCG_REG_ZERO, arg2); + } else if (arg2 == 0) { + tcg_out_opc_reg(s, OPC_SLTU, ret, TCG_REG_ZERO, arg1); + } else { + tcg_out_opc_reg(s, OPC_XOR, TCG_REG_AT, arg1, arg2); + tcg_out_opc_reg(s, OPC_SLTU, ret, TCG_REG_ZERO, TCG_REG_AT); + } + break; + case TCG_COND_LT: + tcg_out_opc_reg(s, OPC_SLT, ret, arg1, arg2); + break; + case TCG_COND_LTU: + tcg_out_opc_reg(s, OPC_SLTU, ret, arg1, arg2); + break; + case TCG_COND_GE: + tcg_out_opc_reg(s, OPC_SLT, TCG_REG_AT, arg1, arg2); + tcg_out_opc_imm(s, OPC_XORI, ret, TCG_REG_AT, 1); + break; + case TCG_COND_GEU: + tcg_out_opc_reg(s, OPC_SLTU, TCG_REG_AT, arg1, arg2); + tcg_out_opc_imm(s, OPC_XORI, ret, TCG_REG_AT, 1); + break; + case TCG_COND_LE: + tcg_out_opc_reg(s, OPC_SLT, TCG_REG_AT, arg2, arg1); + tcg_out_opc_imm(s, OPC_XORI, ret, TCG_REG_AT, 1); + break; + case TCG_COND_LEU: + tcg_out_opc_reg(s, OPC_SLTU, TCG_REG_AT, arg2, arg1); + tcg_out_opc_imm(s, OPC_XORI, ret, TCG_REG_AT, 1); + break; + case TCG_COND_GT: + tcg_out_opc_reg(s, OPC_SLT, ret, arg2, arg1); + break; + case TCG_COND_GTU: + tcg_out_opc_reg(s, OPC_SLTU, ret, arg2, arg1); + break; + default: + tcg_abort(); + break; + } +} + #if defined(CONFIG_SOFTMMU) #include "../../softmmu_defs.h" @@ -1155,6 +1215,10 @@ static inline void tcg_out_op(TCGContext *s, int opc, tcg_out_brcond2(s, args[4], args[0], args[1], args[2], args[3], args[5]); break; + case INDEX_op_setcond_i32: + tcg_out_setcond(s, args[3], args[0], args[1], args[2]); + break; + case INDEX_op_qemu_ld8u: tcg_out_qemu_ld(s, args, 0); break; @@ -1228,6 +1292,7 @@ static const TCGTargetOpDef mips_op_defs[] = { { INDEX_op_sar_i32, { "r", "rZ", "riZ" } }, { INDEX_op_brcond_i32, { "rZ", "rZ" } }, + { INDEX_op_setcond_i32, { "r", "rZ", "rZ" } }, { INDEX_op_add2_i32, { "r", "r", "rZ", "rZ", "rJZ", "rJZ" } }, { INDEX_op_sub2_i32, { "r", "r", "rZ", "rZ", "rJZ", "rJZ" } }, |