From 434254aa5f1a9497710dd10993a72ec434e149a6 Mon Sep 17 00:00:00 2001 From: Aurelien Jarno Date: Mon, 8 Feb 2010 19:05:00 +0100 Subject: tcg/mips: implement setcond2 Signed-off-by: Aurelien Jarno --- tcg/mips/tcg-target.c | 92 ++++++++++++++++++++++++++++++++++++++++++++------- 1 file changed, 80 insertions(+), 12 deletions(-) (limited to 'tcg/mips/tcg-target.c') diff --git a/tcg/mips/tcg-target.c b/tcg/mips/tcg-target.c index d181ff1e05..7fe6707c91 100644 --- a/tcg/mips/tcg-target.c +++ b/tcg/mips/tcg-target.c @@ -595,8 +595,8 @@ static void tcg_out_setcond(TCGContext *s, int cond, int ret, } 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); + tcg_out_opc_reg(s, OPC_XOR, ret, arg1, arg2); + tcg_out_opc_imm(s, OPC_SLTIU, ret, ret, 1); } break; case TCG_COND_NE: @@ -605,8 +605,8 @@ static void tcg_out_setcond(TCGContext *s, int cond, int ret, } 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); + tcg_out_opc_reg(s, OPC_XOR, ret, arg1, arg2); + tcg_out_opc_reg(s, OPC_SLTU, ret, TCG_REG_ZERO, ret); } break; case TCG_COND_LT: @@ -616,20 +616,20 @@ static void tcg_out_setcond(TCGContext *s, int cond, int ret, 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); + tcg_out_opc_reg(s, OPC_SLT, ret, arg1, arg2); + tcg_out_opc_imm(s, OPC_XORI, ret, ret, 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); + tcg_out_opc_reg(s, OPC_SLTU, ret, arg1, arg2); + tcg_out_opc_imm(s, OPC_XORI, ret, ret, 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); + tcg_out_opc_reg(s, OPC_SLT, ret, arg2, arg1); + tcg_out_opc_imm(s, OPC_XORI, ret, ret, 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); + tcg_out_opc_reg(s, OPC_SLTU, ret, arg2, arg1); + tcg_out_opc_imm(s, OPC_XORI, ret, ret, 1); break; case TCG_COND_GT: tcg_out_opc_reg(s, OPC_SLT, ret, arg2, arg1); @@ -643,6 +643,70 @@ static void tcg_out_setcond(TCGContext *s, int cond, int ret, } } +/* XXX: we implement it at the target level to avoid having to + handle cross basic blocks temporaries */ +static void tcg_out_setcond2(TCGContext *s, int cond, int ret, + int arg1, int arg2, int arg3, int arg4) +{ + switch (cond) { + case TCG_COND_EQ: + tcg_out_setcond(s, TCG_COND_EQ, TCG_REG_AT, arg2, arg4); + tcg_out_setcond(s, TCG_COND_EQ, TCG_REG_T0, arg1, arg3); + tcg_out_opc_reg(s, OPC_AND, ret, TCG_REG_AT, TCG_REG_T0); + return; + case TCG_COND_NE: + tcg_out_setcond(s, TCG_COND_NE, TCG_REG_AT, arg2, arg4); + tcg_out_setcond(s, TCG_COND_NE, TCG_REG_T0, arg1, arg3); + tcg_out_opc_reg(s, OPC_OR, ret, TCG_REG_AT, TCG_REG_T0); + return; + case TCG_COND_LT: + case TCG_COND_LE: + tcg_out_setcond(s, TCG_COND_LT, TCG_REG_AT, arg2, arg4); + break; + case TCG_COND_GT: + case TCG_COND_GE: + tcg_out_setcond(s, TCG_COND_GT, TCG_REG_AT, arg2, arg4); + break; + case TCG_COND_LTU: + case TCG_COND_LEU: + tcg_out_setcond(s, TCG_COND_LTU, TCG_REG_AT, arg2, arg4); + break; + case TCG_COND_GTU: + case TCG_COND_GEU: + tcg_out_setcond(s, TCG_COND_GTU, TCG_REG_AT, arg2, arg4); + break; + default: + tcg_abort(); + break; + } + + tcg_out_setcond(s, TCG_COND_EQ, TCG_REG_T0, arg2, arg4); + + switch(cond) { + case TCG_COND_LT: + case TCG_COND_LTU: + tcg_out_setcond(s, TCG_COND_LTU, ret, arg1, arg3); + break; + case TCG_COND_LE: + case TCG_COND_LEU: + tcg_out_setcond(s, TCG_COND_LEU, ret, arg1, arg3); + break; + case TCG_COND_GT: + case TCG_COND_GTU: + tcg_out_setcond(s, TCG_COND_GTU, ret, arg1, arg3); + break; + case TCG_COND_GE: + case TCG_COND_GEU: + tcg_out_setcond(s, TCG_COND_GEU, ret, arg1, arg3); + break; + default: + tcg_abort(); + } + + tcg_out_opc_reg(s, OPC_AND, ret, ret, TCG_REG_T0); + tcg_out_opc_reg(s, OPC_OR, ret, ret, TCG_REG_AT); +} + #if defined(CONFIG_SOFTMMU) #include "../../softmmu_defs.h" @@ -1218,6 +1282,9 @@ static inline void tcg_out_op(TCGContext *s, int opc, case INDEX_op_setcond_i32: tcg_out_setcond(s, args[3], args[0], args[1], args[2]); break; + case INDEX_op_setcond2_i32: + tcg_out_setcond2(s, args[5], args[0], args[1], args[2], args[3], args[4]); + break; case INDEX_op_qemu_ld8u: tcg_out_qemu_ld(s, args, 0); @@ -1293,6 +1360,7 @@ static const TCGTargetOpDef mips_op_defs[] = { { INDEX_op_brcond_i32, { "rZ", "rZ" } }, { INDEX_op_setcond_i32, { "r", "rZ", "rZ" } }, + { INDEX_op_setcond2_i32, { "r", "rZ", "rZ", "rZ", "rZ" } }, { INDEX_op_add2_i32, { "r", "r", "rZ", "rZ", "rJZ", "rJZ" } }, { INDEX_op_sub2_i32, { "r", "r", "rZ", "rZ", "rJZ", "rJZ" } }, -- cgit v1.2.1