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path: root/target-ppc/translate.c
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Diffstat (limited to 'target-ppc/translate.c')
-rw-r--r--target-ppc/translate.c123
1 files changed, 82 insertions, 41 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index c07bb01..d03daea 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -1128,9 +1128,19 @@ static void gen_mulhwu(DisasContext *ctx)
/* mullw mullw. */
static void gen_mullw(DisasContext *ctx)
{
- tcg_gen_mul_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
- cpu_gpr[rB(ctx->opcode)]);
- tcg_gen_ext32s_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)]);
+#if defined(TARGET_PPC64)
+ TCGv_i64 t0, t1;
+ t0 = tcg_temp_new_i64();
+ t1 = tcg_temp_new_i64();
+ tcg_gen_ext32s_tl(t0, cpu_gpr[rA(ctx->opcode)]);
+ tcg_gen_ext32s_tl(t1, cpu_gpr[rB(ctx->opcode)]);
+ tcg_gen_mul_i64(cpu_gpr[rD(ctx->opcode)], t0, t1);
+ tcg_temp_free(t0);
+ tcg_temp_free(t1);
+#else
+ tcg_gen_mul_i32(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
+ cpu_gpr[rB(ctx->opcode)]);
+#endif
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}
@@ -1144,7 +1154,11 @@ static void gen_mullwo(DisasContext *ctx)
tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]);
tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]);
tcg_gen_muls2_i32(t0, t1, t0, t1);
- tcg_gen_ext_i32_tl(cpu_gpr[rD(ctx->opcode)], t0);
+#if defined(TARGET_PPC64)
+ tcg_gen_concat_i32_i64(cpu_gpr[rD(ctx->opcode)], t0, t1);
+#else
+ tcg_gen_mov_i32(cpu_gpr[rD(ctx->opcode)], t0);
+#endif
tcg_gen_sari_i32(t0, t0, 31);
tcg_gen_setcond_i32(TCG_COND_NE, t0, t0, t1);
@@ -1201,8 +1215,20 @@ static void gen_mulld(DisasContext *ctx)
/* mulldo mulldo. */
static void gen_mulldo(DisasContext *ctx)
{
- gen_helper_mulldo(cpu_gpr[rD(ctx->opcode)], cpu_env,
- cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
+ TCGv_i64 t0 = tcg_temp_new_i64();
+ TCGv_i64 t1 = tcg_temp_new_i64();
+
+ tcg_gen_muls2_i64(t0, t1, cpu_gpr[rA(ctx->opcode)],
+ cpu_gpr[rB(ctx->opcode)]);
+ tcg_gen_mov_i64(cpu_gpr[rD(ctx->opcode)], t0);
+
+ tcg_gen_sari_i64(t0, t0, 63);
+ tcg_gen_setcond_i64(TCG_COND_NE, cpu_ov, t0, t1);
+ tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov);
+
+ tcg_temp_free_i64(t0);
+ tcg_temp_free_i64(t1);
+
if (unlikely(Rc(ctx->opcode) != 0)) {
gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}
@@ -1616,18 +1642,17 @@ static void gen_rlwimi(DisasContext *ctx)
mb = MB(ctx->opcode);
me = ME(ctx->opcode);
sh = SH(ctx->opcode);
- if (likely(sh == 0 && mb == 0 && me == 31)) {
- tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
+ if (likely(sh == (31-me) && mb <= me)) {
+ tcg_gen_deposit_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
+ cpu_gpr[rS(ctx->opcode)], sh, me - mb + 1);
} else {
target_ulong mask;
TCGv t1;
TCGv t0 = tcg_temp_new();
#if defined(TARGET_PPC64)
- TCGv_i32 t2 = tcg_temp_new_i32();
- tcg_gen_trunc_i64_i32(t2, cpu_gpr[rS(ctx->opcode)]);
- tcg_gen_rotli_i32(t2, t2, sh);
- tcg_gen_extu_i32_i64(t0, t2);
- tcg_temp_free_i32(t2);
+ tcg_gen_deposit_i64(t0, cpu_gpr[rS(ctx->opcode)],
+ cpu_gpr[rS(ctx->opcode)], 32, 32);
+ tcg_gen_rotli_i64(t0, t0, sh);
#else
tcg_gen_rotli_i32(t0, cpu_gpr[rS(ctx->opcode)], sh);
#endif
@@ -1672,14 +1697,18 @@ static void gen_rlwinm(DisasContext *ctx)
tcg_gen_shri_tl(t0, t0, mb);
tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], t0);
tcg_temp_free(t0);
+ } else if (likely(mb == 0 && me == 31)) {
+ TCGv_i32 t0 = tcg_temp_new_i32();
+ tcg_gen_trunc_tl_i32(t0, cpu_gpr[rS(ctx->opcode)]);
+ tcg_gen_rotli_i32(t0, t0, sh);
+ tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t0);
+ tcg_temp_free_i32(t0);
} else {
TCGv t0 = tcg_temp_new();
#if defined(TARGET_PPC64)
- TCGv_i32 t1 = tcg_temp_new_i32();
- tcg_gen_trunc_i64_i32(t1, cpu_gpr[rS(ctx->opcode)]);
- tcg_gen_rotli_i32(t1, t1, sh);
- tcg_gen_extu_i32_i64(t0, t1);
- tcg_temp_free_i32(t1);
+ tcg_gen_deposit_i64(t0, cpu_gpr[rS(ctx->opcode)],
+ cpu_gpr[rS(ctx->opcode)], 32, 32);
+ tcg_gen_rotli_i64(t0, t0, sh);
#else
tcg_gen_rotli_i32(t0, cpu_gpr[rS(ctx->opcode)], sh);
#endif
@@ -1698,37 +1727,49 @@ static void gen_rlwinm(DisasContext *ctx)
static void gen_rlwnm(DisasContext *ctx)
{
uint32_t mb, me;
- TCGv t0;
+ mb = MB(ctx->opcode);
+ me = ME(ctx->opcode);
+
+ if (likely(mb == 0 && me == 31)) {
+ TCGv_i32 t0, t1;
+ t0 = tcg_temp_new_i32();
+ t1 = tcg_temp_new_i32();
+ tcg_gen_trunc_tl_i32(t0, cpu_gpr[rB(ctx->opcode)]);
+ tcg_gen_trunc_tl_i32(t1, cpu_gpr[rS(ctx->opcode)]);
+ tcg_gen_andi_i32(t0, t0, 0x1f);
+ tcg_gen_rotl_i32(t1, t1, t0);
+ tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t1);
+ tcg_temp_free_i32(t0);
+ tcg_temp_free_i32(t1);
+ } else {
+ TCGv t0;
#if defined(TARGET_PPC64)
- TCGv_i32 t1, t2;
+ TCGv t1;
#endif
- mb = MB(ctx->opcode);
- me = ME(ctx->opcode);
- t0 = tcg_temp_new();
- tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1f);
+ t0 = tcg_temp_new();
+ tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1f);
#if defined(TARGET_PPC64)
- t1 = tcg_temp_new_i32();
- t2 = tcg_temp_new_i32();
- tcg_gen_trunc_i64_i32(t1, cpu_gpr[rS(ctx->opcode)]);
- tcg_gen_trunc_i64_i32(t2, t0);
- tcg_gen_rotl_i32(t1, t1, t2);
- tcg_gen_extu_i32_i64(t0, t1);
- tcg_temp_free_i32(t1);
- tcg_temp_free_i32(t2);
+ t1 = tcg_temp_new_i64();
+ tcg_gen_deposit_i64(t1, cpu_gpr[rS(ctx->opcode)],
+ cpu_gpr[rS(ctx->opcode)], 32, 32);
+ tcg_gen_rotl_i64(t0, t1, t0);
+ tcg_temp_free_i64(t1);
#else
- tcg_gen_rotl_i32(t0, cpu_gpr[rS(ctx->opcode)], t0);
+ tcg_gen_rotl_i32(t0, cpu_gpr[rS(ctx->opcode)], t0);
#endif
- if (unlikely(mb != 0 || me != 31)) {
+ if (unlikely(mb != 0 || me != 31)) {
#if defined(TARGET_PPC64)
- mb += 32;
- me += 32;
+ mb += 32;
+ me += 32;
#endif
- tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], t0, MASK(mb, me));
- } else {
- tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
+ tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], t0, MASK(mb, me));
+ } else {
+ tcg_gen_andi_tl(t0, t0, MASK(32, 63));
+ tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
+ }
+ tcg_temp_free(t0);
}
- tcg_temp_free(t0);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
@@ -1924,7 +1965,7 @@ static void gen_srawi(DisasContext *ctx)
TCGv dst = cpu_gpr[rA(ctx->opcode)];
TCGv src = cpu_gpr[rS(ctx->opcode)];
if (sh == 0) {
- tcg_gen_mov_tl(dst, src);
+ tcg_gen_ext32s_tl(dst, src);
tcg_gen_movi_tl(cpu_ca, 0);
} else {
TCGv t0;
generated by cgit v1.1 at 2025-01-04 12:20:57 +0000