target/arm: Use tcg_constant in translate-m-nocp.c

Use tcg_constant_{i32,i64} as appropriate throughout.
This fixes a bug in trans_VSCCLRM() where we were leaking a TCGv.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

diff --git a/target/arm/translate-m-nocp.c b/target/arm/translate-m-nocp.c
index d9e144e8eb3731fc20aed22cf1bd6c7ce484e90d..27363a7b4ec36bf415ef3b8a4cb4d31fea18dc1f 100644 (file)
--- a/target/arm/translate-m-nocp.c
+++ b/target/arm/translate-m-nocp.c
@@ -173,7 +173,7 @@ static bool trans_VSCCLRM(DisasContext *s, arg_VSCCLRM *a)
     }
 
     /* Zero the Sregs from btmreg to topreg inclusive. */
-    zero = tcg_const_i64(0);
+    zero = tcg_constant_i64(0);
     if (btmreg & 1) {
         write_neon_element64(zero, btmreg >> 1, 1, MO_32);
         btmreg++;
@@ -187,8 +187,7 @@ static bool trans_VSCCLRM(DisasContext *s, arg_VSCCLRM *a)
     }
     assert(btmreg == topreg + 1);
     if (dc_isar_feature(aa32_mve, s)) {
-        TCGv_i32 z32 = tcg_const_i32(0);
-        store_cpu_field(z32, v7m.vpr);
+        store_cpu_field(tcg_constant_i32(0), v7m.vpr);
     }
 
     clear_eci_state(s);
@@ -512,7 +511,7 @@ static bool gen_M_fp_sysreg_read(DisasContext *s, int regno,
     }
     case ARM_VFP_FPCXT_NS:
     {
-        TCGv_i32 control, sfpa, fpscr, fpdscr, zero;
+        TCGv_i32 control, sfpa, fpscr, fpdscr;
         TCGLabel *lab_active = gen_new_label();
 
         lookup_tb = true;
@@ -552,10 +551,9 @@ static bool gen_M_fp_sysreg_read(DisasContext *s, int regno,
         storefn(s, opaque, tmp, true);
         /* If SFPA is zero then set FPSCR from FPDSCR_NS */
         fpdscr = load_cpu_field(v7m.fpdscr[M_REG_NS]);
-        zero = tcg_const_i32(0);
-        tcg_gen_movcond_i32(TCG_COND_EQ, fpscr, sfpa, zero, fpdscr, fpscr);
+        tcg_gen_movcond_i32(TCG_COND_EQ, fpscr, sfpa, tcg_constant_i32(0),
+                            fpdscr, fpscr);
         gen_helper_vfp_set_fpscr(cpu_env, fpscr);
-        tcg_temp_free_i32(zero);
         tcg_temp_free_i32(sfpa);
         tcg_temp_free_i32(fpdscr);
         tcg_temp_free_i32(fpscr);