diff options
author | Richard Henderson <richard.henderson@linaro.org> | 2019-04-17 14:45:47 -1000 |
---|---|---|
committer | Richard Henderson <richard.henderson@linaro.org> | 2019-05-13 22:52:08 +0000 |
commit | fe21b785ff41709a03e614183c01a6fb1de3d1b7 (patch) | |
tree | 7fd86abd0075530da6bedf0660d5c2aba41c2548 | |
parent | d577dbaac7553767232faabb6a3e291aebd348ae (diff) |
target/ppc: Use tcg_gen_abs_tl
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
-rw-r--r-- | target/ppc/translate.c | 68 |
1 files changed, 24 insertions, 44 deletions
diff --git a/target/ppc/translate.c b/target/ppc/translate.c index 8d08625c33..b5217f632f 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -5075,40 +5075,26 @@ static void gen_ecowx(DisasContext *ctx) /* abs - abs. */ static void gen_abs(DisasContext *ctx) { - TCGLabel *l1 = gen_new_label(); - TCGLabel *l2 = gen_new_label(); - tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rA(ctx->opcode)], 0, l1); - tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); - tcg_gen_br(l2); - gen_set_label(l1); - tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); - gen_set_label(l2); + TCGv d = cpu_gpr[rD(ctx->opcode)]; + TCGv a = cpu_gpr[rA(ctx->opcode)]; + + tcg_gen_abs_tl(d, a); if (unlikely(Rc(ctx->opcode) != 0)) { - gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); + gen_set_Rc0(ctx, d); } } /* abso - abso. */ static void gen_abso(DisasContext *ctx) { - TCGLabel *l1 = gen_new_label(); - TCGLabel *l2 = gen_new_label(); - TCGLabel *l3 = gen_new_label(); - /* Start with XER OV disabled, the most likely case */ - tcg_gen_movi_tl(cpu_ov, 0); - tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rA(ctx->opcode)], 0, l2); - tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[rA(ctx->opcode)], 0x80000000, l1); - tcg_gen_movi_tl(cpu_ov, 1); - tcg_gen_movi_tl(cpu_so, 1); - tcg_gen_br(l2); - gen_set_label(l1); - tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); - tcg_gen_br(l3); - gen_set_label(l2); - tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); - gen_set_label(l3); + TCGv d = cpu_gpr[rD(ctx->opcode)]; + TCGv a = cpu_gpr[rA(ctx->opcode)]; + + tcg_gen_setcondi_tl(TCG_COND_EQ, cpu_ov, a, 0x80000000); + tcg_gen_abs_tl(d, a); + tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); if (unlikely(Rc(ctx->opcode) != 0)) { - gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); + gen_set_Rc0(ctx, d); } } @@ -5344,34 +5330,28 @@ static void gen_mulo(DisasContext *ctx) /* nabs - nabs. */ static void gen_nabs(DisasContext *ctx) { - TCGLabel *l1 = gen_new_label(); - TCGLabel *l2 = gen_new_label(); - tcg_gen_brcondi_tl(TCG_COND_GT, cpu_gpr[rA(ctx->opcode)], 0, l1); - tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); - tcg_gen_br(l2); - gen_set_label(l1); - tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); - gen_set_label(l2); + TCGv d = cpu_gpr[rD(ctx->opcode)]; + TCGv a = cpu_gpr[rA(ctx->opcode)]; + + tcg_gen_abs_tl(d, a); + tcg_gen_neg_tl(d, d); if (unlikely(Rc(ctx->opcode) != 0)) { - gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); + gen_set_Rc0(ctx, d); } } /* nabso - nabso. */ static void gen_nabso(DisasContext *ctx) { - TCGLabel *l1 = gen_new_label(); - TCGLabel *l2 = gen_new_label(); - tcg_gen_brcondi_tl(TCG_COND_GT, cpu_gpr[rA(ctx->opcode)], 0, l1); - tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); - tcg_gen_br(l2); - gen_set_label(l1); - tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); - gen_set_label(l2); + TCGv d = cpu_gpr[rD(ctx->opcode)]; + TCGv a = cpu_gpr[rA(ctx->opcode)]; + + tcg_gen_abs_tl(d, a); + tcg_gen_neg_tl(d, d); /* nabs never overflows */ tcg_gen_movi_tl(cpu_ov, 0); if (unlikely(Rc(ctx->opcode) != 0)) { - gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); + gen_set_Rc0(ctx, d); } } |