From ec6469a3b1da26247bdb3f5dd5276fabcc1b694a Mon Sep 17 00:00:00 2001
From: aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Sun, 9 Nov 2008 17:27:27 +0000
Subject: [PATCH] target-ppc: fixes for gen_op_neg()
---
target-ppc/translate.c | 29 ++++++++++++++---------------
1 file changed, 14 insertions(+), 15 deletions(-)
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index cc562ab..7b977a7 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -1288,44 +1288,43 @@ GEN_INT_ARITH_MUL_HELPER(mulldo, 0x17);
#endif
/* neg neg. nego nego. */
-static always_inline void gen_op_neg (DisasContext *ctx, TCGv ret, TCGv arg1, int ov_check)
+static always_inline void gen_op_arith_neg (DisasContext *ctx, TCGv ret, TCGv arg1, int ov_check)
{
- int l1, l2;
-
- l1 = gen_new_label();
- l2 = gen_new_label();
+ int l1 = gen_new_label();
+ int l2 = gen_new_label();
+ TCGv t0 = tcg_temp_local_new(TCG_TYPE_TL);
#if defined(TARGET_PPC64)
if (ctx->sf_mode) {
- tcg_gen_brcondi_tl(TCG_COND_EQ, arg1, INT64_MIN, l1);
- } else {
- TCGv t0 = tcg_temp_new(TCG_TYPE_TL);
- tcg_gen_ext32s_tl(t0, arg1);
+ tcg_gen_movi_tl(t0, arg1);
+ tcg_gen_brcondi_tl(TCG_COND_EQ, t0, INT64_MIN, l1);
+ } else
+#endif
+ {
+ tcg_gen_ext32s_tl(t0, arg1);
tcg_gen_brcondi_tl(TCG_COND_EQ, t0, INT32_MIN, l1);
}
-#else
- tcg_gen_brcondi_tl(TCG_COND_EQ, arg1, INT32_MIN, l1);
-#endif
tcg_gen_neg_tl(ret, arg1);
if (ov_check) {
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV));
}
tcg_gen_br(l2);
gen_set_label(l1);
- tcg_gen_mov_tl(ret, arg1);
+ tcg_gen_mov_tl(ret, t0);
if (ov_check) {
tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_OV) | (1 << XER_SO));
}
gen_set_label(l2);
+ tcg_temp_free(t0);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, ret);
}
GEN_HANDLER(neg, 0x1F, 0x08, 0x03, 0x0000F800, PPC_INTEGER)
{
- gen_op_neg(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 0);
+ gen_op_arith_neg(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 0);
}
GEN_HANDLER(nego, 0x1F, 0x08, 0x13, 0x0000F800, PPC_INTEGER)
{
- gen_op_neg(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 1);
+ gen_op_arith_neg(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 1);
}
/* Common subf function */
--
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