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path: root/target-mips/translate.c
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Diffstat (limited to 'target-mips/translate.c')
-rw-r--r--target-mips/translate.c38
1 files changed, 12 insertions, 26 deletions
diff --git a/target-mips/translate.c b/target-mips/translate.c
index 6e4d9c8ed4..677981c02c 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -2166,7 +2166,7 @@ static void gen_trap (DisasContext *ctx, uint32_t opc,
int rs, int rt, int16_t imm)
{
int cond;
- TCGv t0 = tcg_temp_local_new();
+ TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
cond = 0;
@@ -2208,7 +2208,7 @@ static void gen_trap (DisasContext *ctx, uint32_t opc,
case OPC_TGEU: /* rs >= rs unsigned */
case OPC_TGEIU: /* r0 >= 0 unsigned */
/* Always trap */
- tcg_gen_movi_tl(t0, 1);
+ generate_exception(ctx, EXCP_TRAP);
break;
case OPC_TLT: /* rs < rs */
case OPC_TLTI: /* r0 < 0 */
@@ -2217,54 +2217,40 @@ static void gen_trap (DisasContext *ctx, uint32_t opc,
case OPC_TNE: /* rs != rs */
case OPC_TNEI: /* r0 != 0 */
/* Never trap: treat as NOP. */
- goto out;
- default:
- MIPS_INVAL("trap");
- generate_exception(ctx, EXCP_RI);
- goto out;
+ break;
}
} else {
+ int l1 = gen_new_label();
+
switch (opc) {
case OPC_TEQ:
case OPC_TEQI:
- gen_op_eq(t0, t0, t1);
+ tcg_gen_brcond_tl(TCG_COND_NE, t0, t1, l1);
break;
case OPC_TGE:
case OPC_TGEI:
- gen_op_ge(t0, t0, t1);
+ tcg_gen_brcond_tl(TCG_COND_LT, t0, t1, l1);
break;
case OPC_TGEU:
case OPC_TGEIU:
- gen_op_geu(t0, t0, t1);
+ tcg_gen_brcond_tl(TCG_COND_LTU, t0, t1, l1);
break;
case OPC_TLT:
case OPC_TLTI:
- gen_op_lt(t0, t0, t1);
+ tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1);
break;
case OPC_TLTU:
case OPC_TLTIU:
- gen_op_ltu(t0, t0, t1);
+ tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1);
break;
case OPC_TNE:
case OPC_TNEI:
- gen_op_ne(t0, t0, t1);
+ tcg_gen_brcond_tl(TCG_COND_EQ, t0, t1, l1);
break;
- default:
- MIPS_INVAL("trap");
- generate_exception(ctx, EXCP_RI);
- goto out;
}
- }
- save_cpu_state(ctx, 1);
- {
- int l1 = gen_new_label();
-
- tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
- gen_helper_0i(raise_exception, EXCP_TRAP);
+ generate_exception(ctx, EXCP_TRAP);
gen_set_label(l1);
}
- ctx->bstate = BS_STOP;
- out:
tcg_temp_free(t0);
tcg_temp_free(t1);
}