[PATCH 1/2] target/hppa: Use tcg_constant_*

[Richard Henderson <richard.henderson@linaro.org>]

Replace uses of tcg_const_* with the allocate and free
close together.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/hppa/translate.c | 56 +++++++++++++----------------------------
 1 file changed, 18 insertions(+), 38 deletions(-)

diff --git a/target/hppa/translate.c b/target/hppa/translate.c
index 64af1e0d5c..d17568880f 100644
--- a/target/hppa/translate.c
+++ b/target/hppa/translate.c
@@ -145,6 +145,7 @@
 #define tcg_gen_sextract_reg tcg_gen_sextract_i64
 #define tcg_const_reg        tcg_const_i64
 #define tcg_const_local_reg  tcg_const_local_i64
+#define tcg_constant_reg     tcg_constant_i64
 #define tcg_gen_movcond_reg  tcg_gen_movcond_i64
 #define tcg_gen_add2_reg     tcg_gen_add2_i64
 #define tcg_gen_sub2_reg     tcg_gen_sub2_i64
@@ -239,6 +240,7 @@
 #define tcg_gen_sextract_reg tcg_gen_sextract_i32
 #define tcg_const_reg        tcg_const_i32
 #define tcg_const_local_reg  tcg_const_local_i32
+#define tcg_constant_reg     tcg_constant_i32
 #define tcg_gen_movcond_reg  tcg_gen_movcond_i32
 #define tcg_gen_add2_reg     tcg_gen_add2_i32
 #define tcg_gen_sub2_reg     tcg_gen_sub2_i32
@@ -772,9 +774,7 @@ static inline target_ureg iaoq_dest(DisasContext *ctx, target_sreg disp)
 
 static void gen_excp_1(int exception)
 {
-    TCGv_i32 t = tcg_const_i32(exception);
-    gen_helper_excp(cpu_env, t);
-    tcg_temp_free_i32(t);
+    gen_helper_excp(cpu_env, tcg_constant_i32(exception));
 }
 
 static void gen_excp(DisasContext *ctx, int exception)
@@ -788,12 +788,9 @@ static void gen_excp(DisasContext *ctx, int exception)
 
 static bool gen_excp_iir(DisasContext *ctx, int exc)
 {
-    TCGv_reg tmp;
-
     nullify_over(ctx);
-    tmp = tcg_const_reg(ctx->insn);
-    tcg_gen_st_reg(tmp, cpu_env, offsetof(CPUHPPAState, cr[CR_IIR]));
-    tcg_temp_free(tmp);
+    tcg_gen_st_reg(tcg_constant_reg(ctx->insn),
+                   cpu_env, offsetof(CPUHPPAState, cr[CR_IIR]));
     gen_excp(ctx, exc);
     return nullify_end(ctx);
 }
@@ -1154,13 +1151,12 @@ static void do_add(DisasContext *ctx, unsigned rt, TCGv_reg in1,
     }
 
     if (!is_l || cond_need_cb(c)) {
-        TCGv_reg zero = tcg_const_reg(0);
+        TCGv_reg zero = tcg_constant_reg(0);
         cb_msb = get_temp(ctx);
         tcg_gen_add2_reg(dest, cb_msb, in1, zero, in2, zero);
         if (is_c) {
             tcg_gen_add2_reg(dest, cb_msb, dest, cb_msb, cpu_psw_cb_msb, zero);
         }
-        tcg_temp_free(zero);
         if (!is_l) {
             cb = get_temp(ctx);
             tcg_gen_xor_reg(cb, in1, in2);
@@ -1246,7 +1242,7 @@ static void do_sub(DisasContext *ctx, unsigned rt, TCGv_reg in1,
     cb = tcg_temp_new();
     cb_msb = tcg_temp_new();
 
-    zero = tcg_const_reg(0);
+    zero = tcg_constant_reg(0);
     if (is_b) {
         /* DEST,C = IN1 + ~IN2 + C.  */
         tcg_gen_not_reg(cb, in2);
@@ -1262,7 +1258,6 @@ static void do_sub(DisasContext *ctx, unsigned rt, TCGv_reg in1,
         tcg_gen_eqv_reg(cb, in1, in2);
         tcg_gen_xor_reg(cb, cb, dest);
     }
-    tcg_temp_free(zero);
 
     /* Compute signed overflow if required.  */
     sv = NULL;
@@ -2453,17 +2448,16 @@ static bool trans_probe(DisasContext *ctx, arg_probe *a)
     form_gva(ctx, &addr, &ofs, a->b, 0, 0, 0, a->sp, 0, false);
 
     if (a->imm) {
-        level = tcg_const_i32(a->ri);
+        level = tcg_constant_i32(a->ri);
     } else {
         level = tcg_temp_new_i32();
         tcg_gen_trunc_reg_i32(level, load_gpr(ctx, a->ri));
         tcg_gen_andi_i32(level, level, 3);
     }
-    want = tcg_const_i32(a->write ? PAGE_WRITE : PAGE_READ);
+    want = tcg_constant_i32(a->write ? PAGE_WRITE : PAGE_READ);
 
     gen_helper_probe(dest, cpu_env, addr, level, want);
 
-    tcg_temp_free_i32(want);
     tcg_temp_free_i32(level);
 
     save_gpr(ctx, a->t, dest);
@@ -2603,17 +2597,13 @@ static bool trans_lpa(DisasContext *ctx, arg_ldst *a)
 
 static bool trans_lci(DisasContext *ctx, arg_lci *a)
 {
-    TCGv_reg ci;
-
     CHECK_MOST_PRIVILEGED(EXCP_PRIV_OPR);
 
     /* The Coherence Index is an implementation-defined function of the
        physical address.  Two addresses with the same CI have a coherent
        view of the cache.  Our implementation is to return 0 for all,
        since the entire address space is coherent.  */
-    ci = tcg_const_reg(0);
-    save_gpr(ctx, a->t, ci);
-    tcg_temp_free(ci);
+    save_gpr(ctx, a->t, tcg_constant_reg(0));
 
     cond_free(&ctx->null_cond);
     return true;
@@ -2714,8 +2704,6 @@ static bool trans_or(DisasContext *ctx, arg_rrr_cf *a)
          *                      currently implemented as idle.
          */
         if ((rt == 10 || rt == 31) && r1 == rt && r2 == rt) { /* PAUSE */
-            TCGv_i32 tmp;
-
             /* No need to check for supervisor, as userland can only pause
                until the next timer interrupt.  */
             nullify_over(ctx);
@@ -2726,10 +2714,8 @@ static bool trans_or(DisasContext *ctx, arg_rrr_cf *a)
             nullify_set(ctx, 0);
 
             /* Tell the qemu main loop to halt until this cpu has work.  */
-            tmp = tcg_const_i32(1);
-            tcg_gen_st_i32(tmp, cpu_env, -offsetof(HPPACPU, env) +
-                                         offsetof(CPUState, halted));
-            tcg_temp_free_i32(tmp);
+            tcg_gen_st_i32(tcg_constant_i32(1), cpu_env,
+                           offsetof(CPUState, halted) - offsetof(HPPACPU, env));
             gen_excp_1(EXCP_HALTED);
             ctx->base.is_jmp = DISAS_NORETURN;
 
@@ -2837,7 +2823,7 @@ static bool trans_ds(DisasContext *ctx, arg_rrr_cf *a)
     add2 = tcg_temp_new();
     addc = tcg_temp_new();
     dest = tcg_temp_new();
-    zero = tcg_const_reg(0);
+    zero = tcg_constant_reg(0);
 
     /* Form R1 << 1 | PSW[CB]{8}.  */
     tcg_gen_add_reg(add1, in1, in1);
@@ -2855,7 +2841,6 @@ static bool trans_ds(DisasContext *ctx, arg_rrr_cf *a)
     tcg_gen_add2_i32(dest, cpu_psw_cb_msb, dest, cpu_psw_cb_msb, addc, zero);
 
     tcg_temp_free(addc);
-    tcg_temp_free(zero);
 
     /* Write back the result register.  */
     save_gpr(ctx, a->t, dest);
@@ -2971,9 +2956,8 @@ static bool trans_ldc(DisasContext *ctx, arg_ldst *a)
      */
     gen_helper_ldc_check(addr);
 
-    zero = tcg_const_reg(0);
+    zero = tcg_constant_reg(0);
     tcg_gen_atomic_xchg_reg(dest, addr, zero, ctx->mmu_idx, mop);
-    tcg_temp_free(zero);
 
     if (a->m) {
         save_gpr(ctx, a->b, ofs);
@@ -3886,15 +3870,13 @@ static bool trans_fcmp_f(DisasContext *ctx, arg_fclass2 *a)
 
     ta = load_frw0_i32(a->r1);
     tb = load_frw0_i32(a->r2);
-    ty = tcg_const_i32(a->y);
-    tc = tcg_const_i32(a->c);
+    ty = tcg_constant_i32(a->y);
+    tc = tcg_constant_i32(a->c);
 
     gen_helper_fcmp_s(cpu_env, ta, tb, ty, tc);
 
     tcg_temp_free_i32(ta);
     tcg_temp_free_i32(tb);
-    tcg_temp_free_i32(ty);
-    tcg_temp_free_i32(tc);
 
     return nullify_end(ctx);
 }
@@ -3908,15 +3890,13 @@ static bool trans_fcmp_d(DisasContext *ctx, arg_fclass2 *a)
 
     ta = load_frd0(a->r1);
     tb = load_frd0(a->r2);
-    ty = tcg_const_i32(a->y);
-    tc = tcg_const_i32(a->c);
+    ty = tcg_constant_i32(a->y);
+    tc = tcg_constant_i32(a->c);
 
     gen_helper_fcmp_d(cpu_env, ta, tb, ty, tc);
 
     tcg_temp_free_i64(ta);
     tcg_temp_free_i64(tb);
-    tcg_temp_free_i32(ty);
-    tcg_temp_free_i32(tc);
 
     return nullify_end(ctx);
 }
-- 
2.25.1