target/ppc: Use tcg_gen_negsetcond_*

Tested-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/ppc/translate/fixedpoint-impl.c.inc

@@ -342,12 +342,14 @@ static bool do_set_bool_cond(DisasContext *ctx, arg_X_bi *a, bool neg, bool rev)
     uint32_t mask = 0x08 >> (a->bi & 0x03);
     TCGCond cond = rev ? TCG_COND_EQ : TCG_COND_NE;
     TCGv temp = tcg_temp_new();
+    TCGv zero = tcg_constant_tl(0);
 
     tcg_gen_extu_i32_tl(temp, cpu_crf[a->bi >> 2]);
     tcg_gen_andi_tl(temp, temp, mask);
-    tcg_gen_setcondi_tl(cond, cpu_gpr[a->rt], temp, 0);
     if (neg) {
-        tcg_gen_neg_tl(cpu_gpr[a->rt], cpu_gpr[a->rt]);
+        tcg_gen_negsetcond_tl(cond, cpu_gpr[a->rt], temp, zero);
+    } else {
+        tcg_gen_setcond_tl(cond, cpu_gpr[a->rt], temp, zero);
     }
     return true;
 }

target/ppc/translate/vmx-impl.c.inc

@@ -1341,8 +1341,7 @@ static bool trans_VCMPEQUQ(DisasContext *ctx, arg_VC *a)
     tcg_gen_xor_i64(t1, t0, t1);
 
     tcg_gen_or_i64(t1, t1, t2);
-    tcg_gen_setcondi_i64(TCG_COND_EQ, t1, t1, 0);
-    tcg_gen_neg_i64(t1, t1);
+    tcg_gen_negsetcond_i64(TCG_COND_EQ, t1, t1, tcg_constant_i64(0));
 
     set_avr64(a->vrt, t1, true);
     set_avr64(a->vrt, t1, false);
@@ -1365,15 +1364,14 @@ static bool do_vcmpgtq(DisasContext *ctx, arg_VC *a, bool sign)
 
     get_avr64(t0, a->vra, false);
     get_avr64(t1, a->vrb, false);
-    tcg_gen_setcond_i64(TCG_COND_GTU, t2, t0, t1);
+    tcg_gen_negsetcond_i64(TCG_COND_GTU, t2, t0, t1);
 
     get_avr64(t0, a->vra, true);
     get_avr64(t1, a->vrb, true);
     tcg_gen_movcond_i64(TCG_COND_EQ, t2, t0, t1, t2, tcg_constant_i64(0));
-    tcg_gen_setcond_i64(sign ? TCG_COND_GT : TCG_COND_GTU, t1, t0, t1);
+    tcg_gen_negsetcond_i64(sign ? TCG_COND_GT : TCG_COND_GTU, t1, t0, t1);
 
     tcg_gen_or_i64(t1, t1, t2);
-    tcg_gen_neg_i64(t1, t1);
 
     set_avr64(a->vrt, t1, true);
     set_avr64(a->vrt, t1, false);