diff mbox series

[10/20] target/sparc: Change DisasCompare.c2 to int

Message ID 20231017064109.681935-11-richard.henderson@linaro.org
State New
Headers show
Series target/sparc: Cleanup condition codes etc | expand

Commit Message

Richard Henderson Oct. 17, 2023, 6:40 a.m. UTC
We don't require c2 to be variable, so emphasize that.
We don't currently require c2 to be non-zero, but that will change.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/sparc/translate.c | 40 ++++++++++++++++++++++------------------
 1 file changed, 22 insertions(+), 18 deletions(-)
diff mbox series

Patch

diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index a8933d2fc3..32d29f16b5 100644
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -183,7 +183,8 @@  typedef struct DisasContext {
 
 typedef struct {
     TCGCond cond;
-    TCGv c1, c2;
+    TCGv c1;
+    int c2;
 } DisasCompare;
 
 // This function uses non-native bit order
@@ -974,15 +975,15 @@  static void gen_op_next_insn(void)
 static void gen_compare(DisasCompare *cmp, bool xcc, unsigned int cond,
                         DisasContext *dc)
 {
-    TCGv t1, t2;
+    TCGv t1, t2, zero;
 
     cmp->c1 = NULL;
-    cmp->c2 = tcg_constant_tl(0);
+    cmp->c2 = 0;
 
     switch (cond & 7) {
     case 0x0: /* never */
         cmp->cond = TCG_COND_NEVER;
-        cmp->c1 = cmp->c2;
+        cmp->c1 = tcg_constant_tl(0);
         break;
 
     case 0x1: /* eq */
@@ -998,11 +999,12 @@  static void gen_compare(DisasCompare *cmp, bool xcc, unsigned int cond,
     case 0x2: /* le: Z | (N ^ V) */
         cmp->cond = TCG_COND_LT;
         cmp->c1 = t1 = tcg_temp_new();
+        zero = tcg_constant_tl(0);
         if (TARGET_LONG_BITS == 32 || xcc) {
-            tcg_gen_negsetcond_tl(TCG_COND_EQ, t1, cpu_cc_Z, cmp->c2);
+            tcg_gen_negsetcond_tl(TCG_COND_EQ, t1, cpu_cc_Z, zero);
         } else {
             tcg_gen_ext32u_tl(t1, cpu_icc_Z);
-            tcg_gen_negsetcond_tl(TCG_COND_EQ, t1, t1, cmp->c2);
+            tcg_gen_negsetcond_tl(TCG_COND_EQ, t1, t1, zero);
         }
         t2 = tcg_temp_new();
         tcg_gen_xor_tl(t2, cpu_cc_N, cpu_cc_V);
@@ -1079,7 +1081,7 @@  static void gen_fcompare(DisasCompare *cmp, unsigned int cc, unsigned int cond)
     /* For now we still generate a straight boolean result.  */
     cmp->cond = TCG_COND_NE;
     cmp->c1 = r_dst = tcg_temp_new();
-    cmp->c2 = tcg_constant_tl(0);
+    cmp->c2 = 0;
 
     switch (cc) {
     default:
@@ -1165,7 +1167,7 @@  static void gen_compare_reg(DisasCompare *cmp, int cond, TCGv r_src)
 {
     cmp->cond = tcg_invert_cond(gen_tcg_cond_reg[cond]);
     cmp->c1 = r_src;
-    cmp->c2 = tcg_constant_tl(0);
+    cmp->c2 = 0;
 }
 
 static void gen_op_clear_ieee_excp_and_FTT(void)
@@ -2155,7 +2157,7 @@  static void gen_fmovs(DisasContext *dc, DisasCompare *cmp, int rd, int rs)
        or fold the comparison down to 32 bits and use movcond_i32.  Choose
        the later.  */
     c32 = tcg_temp_new_i32();
-    tcg_gen_setcond_i64(cmp->cond, c64, cmp->c1, cmp->c2);
+    tcg_gen_setcondi_i64(cmp->cond, c64, cmp->c1, cmp->c2);
     tcg_gen_extrl_i64_i32(c32, c64);
 
     s1 = gen_load_fpr_F(dc, rs);
@@ -2175,7 +2177,7 @@  static void gen_fmovd(DisasContext *dc, DisasCompare *cmp, int rd, int rs)
 {
 #ifdef TARGET_SPARC64
     TCGv_i64 dst = gen_dest_fpr_D(dc, rd);
-    tcg_gen_movcond_i64(cmp->cond, dst, cmp->c1, cmp->c2,
+    tcg_gen_movcond_i64(cmp->cond, dst, cmp->c1, tcg_constant_tl(cmp->c2),
                         gen_load_fpr_D(dc, rs),
                         gen_load_fpr_D(dc, rd));
     gen_store_fpr_D(dc, rd, dst);
@@ -2189,10 +2191,11 @@  static void gen_fmovq(DisasContext *dc, DisasCompare *cmp, int rd, int rs)
 #ifdef TARGET_SPARC64
     int qd = QFPREG(rd);
     int qs = QFPREG(rs);
+    TCGv c2 = tcg_constant_tl(cmp->c2);
 
-    tcg_gen_movcond_i64(cmp->cond, cpu_fpr[qd / 2], cmp->c1, cmp->c2,
+    tcg_gen_movcond_i64(cmp->cond, cpu_fpr[qd / 2], cmp->c1, c2,
                         cpu_fpr[qs / 2], cpu_fpr[qd / 2]);
-    tcg_gen_movcond_i64(cmp->cond, cpu_fpr[qd / 2 + 1], cmp->c1, cmp->c2,
+    tcg_gen_movcond_i64(cmp->cond, cpu_fpr[qd / 2 + 1], cmp->c1, c2,
                         cpu_fpr[qs / 2 + 1], cpu_fpr[qd / 2 + 1]);
 
     gen_update_fprs_dirty(dc, qd);
@@ -2323,7 +2326,7 @@  static bool advance_jump_cond(DisasContext *dc, DisasCompare *cmp,
     if (annul) {
         TCGLabel *l1 = gen_new_label();
 
-        tcg_gen_brcond_tl(tcg_invert_cond(cmp->cond), cmp->c1, cmp->c2, l1);
+        tcg_gen_brcondi_tl(tcg_invert_cond(cmp->cond), cmp->c1, cmp->c2, l1);
         gen_goto_tb(dc, 0, npc, dest);
         gen_set_label(l1);
         gen_goto_tb(dc, 1, npc + 4, npc + 8);
@@ -2337,7 +2340,7 @@  static bool advance_jump_cond(DisasContext *dc, DisasCompare *cmp,
                 tcg_gen_mov_tl(cpu_pc, cpu_npc);
                 tcg_gen_addi_tl(cpu_npc, cpu_npc, 4);
                 tcg_gen_movcond_tl(cmp->cond, cpu_npc,
-                                   cmp->c1, cmp->c2,
+                                   cmp->c1, tcg_constant_tl(cmp->c2),
                                    tcg_constant_tl(dest), cpu_npc);
                 dc->pc = npc;
                 break;
@@ -2352,9 +2355,9 @@  static bool advance_jump_cond(DisasContext *dc, DisasCompare *cmp,
 
             /* The condition for cpu_cond is always NE -- normalize. */
             if (cmp->cond == TCG_COND_NE) {
-                tcg_gen_sub_tl(cpu_cond, cmp->c1, cmp->c2);
+                tcg_gen_subi_tl(cpu_cond, cmp->c1, cmp->c2);
             } else {
-                tcg_gen_setcond_tl(cmp->cond, cpu_cond, cmp->c1, cmp->c2);
+                tcg_gen_setcondi_tl(cmp->cond, cpu_cond, cmp->c1, cmp->c2);
             }
         }
     }
@@ -2554,7 +2557,7 @@  static bool trans_Tcc(DisasContext *dc, arg_Tcc *a)
     flush_cond(dc);
     lab = delay_exceptionv(dc, trap);
     gen_compare(&cmp, a->cc, a->cond, dc);
-    tcg_gen_brcond_tl(cmp.cond, cmp.c1, cmp.c2, lab);
+    tcg_gen_brcondi_tl(cmp.cond, cmp.c1, cmp.c2, lab);
 
     return advance_pc(dc);
 }
@@ -3913,8 +3916,9 @@  TRANS(SRA_i, ALL, do_shift_i, a, false, false)
 static bool do_mov_cond(DisasContext *dc, DisasCompare *cmp, int rd, TCGv src2)
 {
     TCGv dst = gen_load_gpr(dc, rd);
+    TCGv c2 = tcg_constant_tl(cmp->c2);
 
-    tcg_gen_movcond_tl(cmp->cond, dst, cmp->c1, cmp->c2, src2, dst);
+    tcg_gen_movcond_tl(cmp->cond, dst, cmp->c1, c2, src2, dst);
     gen_store_gpr(dc, rd, dst);
     return advance_pc(dc);
 }