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[PATCH 33/47] target/arm: Use tcg_constant in CLRM, DLS, WLS, LE


From: Richard Henderson
Subject: [PATCH 33/47] target/arm: Use tcg_constant in CLRM, DLS, WLS, LE
Date: Tue, 26 Apr 2022 09:30:29 -0700

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/translate.c | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/target/arm/translate.c b/target/arm/translate.c
index e0469da0a1..0e9fde2589 100644
--- a/target/arm/translate.c
+++ b/target/arm/translate.c
@@ -8257,7 +8257,7 @@ static bool trans_CLRM(DisasContext *s, arg_CLRM *a)
 
     s->eci_handled = true;
 
-    zero = tcg_const_i32(0);
+    zero = tcg_constant_i32(0);
     for (i = 0; i < 15; i++) {
         if (extract32(a->list, i, 1)) {
             /* Clear R[i] */
@@ -8269,11 +8269,8 @@ static bool trans_CLRM(DisasContext *s, arg_CLRM *a)
          * Clear APSR (by calling the MSR helper with the same argument
          * as for "MSR APSR_nzcvqg, Rn": mask = 0b1100, SYSM=0)
          */
-        TCGv_i32 maskreg = tcg_const_i32(0xc << 8);
-        gen_helper_v7m_msr(cpu_env, maskreg, zero);
-        tcg_temp_free_i32(maskreg);
+        gen_helper_v7m_msr(cpu_env, tcg_constant_i32(0xc00), zero);
     }
-    tcg_temp_free_i32(zero);
     clear_eci_state(s);
     return true;
 }
@@ -8416,8 +8413,7 @@ static bool trans_DLS(DisasContext *s, arg_DLS *a)
     store_reg(s, 14, tmp);
     if (a->size != 4) {
         /* DLSTP: set FPSCR.LTPSIZE */
-        tmp = tcg_const_i32(a->size);
-        store_cpu_field(tmp, v7m.ltpsize);
+        store_cpu_field(tcg_constant_i32(a->size), v7m.ltpsize);
         s->base.is_jmp = DISAS_UPDATE_NOCHAIN;
     }
     return true;
@@ -8482,8 +8478,7 @@ static bool trans_WLS(DisasContext *s, arg_WLS *a)
          */
         bool ok = vfp_access_check(s);
         assert(ok);
-        tmp = tcg_const_i32(a->size);
-        store_cpu_field(tmp, v7m.ltpsize);
+        store_cpu_field(tcg_constant_i32(a->size), v7m.ltpsize);
         /*
          * LTPSIZE updated, but MVE_NO_PRED will always be the same thing (0)
          * when we take this upcoming exit from this TB, so gen_jmp_tb() is OK.
@@ -8609,8 +8604,7 @@ static bool trans_LE(DisasContext *s, arg_LE *a)
     gen_set_label(loopend);
     if (a->tp) {
         /* Exits from tail-pred loops must reset LTPSIZE to 4 */
-        tmp = tcg_const_i32(4);
-        store_cpu_field(tmp, v7m.ltpsize);
+        store_cpu_field(tcg_constant_i32(4), v7m.ltpsize);
     }
     /* End TB, continuing to following insn */
     gen_jmp_tb(s, s->base.pc_next, 1);
-- 
2.34.1




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