diff options
author | Richard Henderson <richard.henderson@linaro.org> | 2023-08-05 00:07:59 +0000 |
---|---|---|
committer | Richard Henderson <richard.henderson@linaro.org> | 2023-08-24 11:22:42 -0700 |
commit | 27f9af76e11441c498aedf34cb08d0a148fc71f1 (patch) | |
tree | cdecd9b0d637ab73132b4c6e2ee9e18462389110 /target/m68k | |
parent | a1264259902039ad4427f6c912d453f7d3763059 (diff) |
target/m68k: Use tcg_gen_negsetcond_*
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/m68k')
-rw-r--r-- | target/m68k/translate.c | 24 |
1 files changed, 10 insertions, 14 deletions
diff --git a/target/m68k/translate.c b/target/m68k/translate.c index d08e823b6c..15b3701b8f 100644 --- a/target/m68k/translate.c +++ b/target/m68k/translate.c @@ -1350,8 +1350,7 @@ static void gen_cc_cond(DisasCompare *c, DisasContext *s, int cond) case 14: /* GT (!(Z || (N ^ V))) */ case 15: /* LE (Z || (N ^ V)) */ c->v1 = tmp = tcg_temp_new(); - tcg_gen_setcond_i32(TCG_COND_EQ, tmp, QREG_CC_Z, c->v2); - tcg_gen_neg_i32(tmp, tmp); + tcg_gen_negsetcond_i32(TCG_COND_EQ, tmp, QREG_CC_Z, c->v2); tmp2 = tcg_temp_new(); tcg_gen_xor_i32(tmp2, QREG_CC_N, QREG_CC_V); tcg_gen_or_i32(tmp, tmp, tmp2); @@ -1430,9 +1429,8 @@ DISAS_INSN(scc) gen_cc_cond(&c, s, cond); tmp = tcg_temp_new(); - tcg_gen_setcond_i32(c.tcond, tmp, c.v1, c.v2); + tcg_gen_negsetcond_i32(c.tcond, tmp, c.v1, c.v2); - tcg_gen_neg_i32(tmp, tmp); DEST_EA(env, insn, OS_BYTE, tmp, NULL); } @@ -2764,13 +2762,14 @@ DISAS_INSN(mull) tcg_gen_muls2_i32(QREG_CC_N, QREG_CC_V, src1, DREG(ext, 12)); /* QREG_CC_V is -(QREG_CC_V != (QREG_CC_N >> 31)) */ tcg_gen_sari_i32(QREG_CC_Z, QREG_CC_N, 31); - tcg_gen_setcond_i32(TCG_COND_NE, QREG_CC_V, QREG_CC_V, QREG_CC_Z); + tcg_gen_negsetcond_i32(TCG_COND_NE, QREG_CC_V, + QREG_CC_V, QREG_CC_Z); } else { tcg_gen_mulu2_i32(QREG_CC_N, QREG_CC_V, src1, DREG(ext, 12)); /* QREG_CC_V is -(QREG_CC_V != 0), use QREG_CC_C as 0 */ - tcg_gen_setcond_i32(TCG_COND_NE, QREG_CC_V, QREG_CC_V, QREG_CC_C); + tcg_gen_negsetcond_i32(TCG_COND_NE, QREG_CC_V, + QREG_CC_V, QREG_CC_C); } - tcg_gen_neg_i32(QREG_CC_V, QREG_CC_V); tcg_gen_mov_i32(DREG(ext, 12), QREG_CC_N); tcg_gen_mov_i32(QREG_CC_Z, QREG_CC_N); @@ -3339,14 +3338,13 @@ static inline void shift_im(DisasContext *s, uint16_t insn, int opsize) if (!logical && m68k_feature(s->env, M68K_FEATURE_M68K)) { /* if shift count >= bits, V is (reg != 0) */ if (count >= bits) { - tcg_gen_setcond_i32(TCG_COND_NE, QREG_CC_V, reg, QREG_CC_V); + tcg_gen_negsetcond_i32(TCG_COND_NE, QREG_CC_V, reg, QREG_CC_V); } else { TCGv t0 = tcg_temp_new(); tcg_gen_sari_i32(QREG_CC_V, reg, bits - 1); tcg_gen_sari_i32(t0, reg, bits - count - 1); - tcg_gen_setcond_i32(TCG_COND_NE, QREG_CC_V, QREG_CC_V, t0); + tcg_gen_negsetcond_i32(TCG_COND_NE, QREG_CC_V, QREG_CC_V, t0); } - tcg_gen_neg_i32(QREG_CC_V, QREG_CC_V); } } else { tcg_gen_shri_i32(QREG_CC_C, reg, count - 1); @@ -3430,9 +3428,8 @@ static inline void shift_reg(DisasContext *s, uint16_t insn, int opsize) /* Ignore the bits below the sign bit. */ tcg_gen_andi_i64(t64, t64, -1ULL << (bits - 1)); /* If any bits remain set, we have overflow. */ - tcg_gen_setcondi_i64(TCG_COND_NE, t64, t64, 0); + tcg_gen_negsetcond_i64(TCG_COND_NE, t64, t64, tcg_constant_i64(0)); tcg_gen_extrl_i64_i32(QREG_CC_V, t64); - tcg_gen_neg_i32(QREG_CC_V, QREG_CC_V); } } else { tcg_gen_shli_i64(t64, t64, 32); @@ -5311,9 +5308,8 @@ DISAS_INSN(fscc) gen_fcc_cond(&c, s, cond); tmp = tcg_temp_new(); - tcg_gen_setcond_i32(c.tcond, tmp, c.v1, c.v2); + tcg_gen_negsetcond_i32(c.tcond, tmp, c.v1, c.v2); - tcg_gen_neg_i32(tmp, tmp); DEST_EA(env, insn, OS_BYTE, tmp, NULL); } |