From: Richard Henderson <richard.henderson@linaro.org>
Date: Tue, 10 Oct 2023 21:44:32 +0000 (-0700)
Subject: target/sparc: Move gen_fop_FF insns to decodetree
X-Git-Tag: v8.2.0-rc0~49^2~20
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=119cb94f69e2180f1a8685b53a0659f195bdd90c;p=thirdparty%2Fqemu.git

target/sparc: Move gen_fop_FF insns to decodetree

Move FSQRTs, FiTOs, FsTOi.

Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---

diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode
index bc449023ddf..85464285b7b 100644
--- a/target/sparc/insns.decode
+++ b/target/sparc/insns.decode
@@ -245,6 +245,9 @@ FNEGs       10 ..... 110100 00000 0 0000 0101 .....        @r_r2
 FNEGd       10 ..... 110100 00000 0 0000 0110 .....        @r_r2
 FABSs       10 ..... 110100 00000 0 0000 1001 .....        @r_r2
 FABSd       10 ..... 110100 00000 0 0000 1010 .....        @r_r2
+FSQRTs      10 ..... 110100 00000 0 0010 1001 .....        @r_r2
+FiTOs       10 ..... 110100 00000 0 1100 0100 .....        @r_r2
+FsTOi       10 ..... 110100 00000 0 1101 0001 .....        @r_r2
 
 {
   [
diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index 197c0bea540..13932e087d0 100644
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -1654,20 +1654,6 @@ static int gen_trap_ifnofpu(DisasContext *dc)
     return 0;
 }
 
-static void gen_fop_FF(DisasContext *dc, int rd, int rs,
-                              void (*gen)(TCGv_i32, TCGv_ptr, TCGv_i32))
-{
-    TCGv_i32 dst, src;
-
-    src = gen_load_fpr_F(dc, rs);
-    dst = gen_dest_fpr_F(dc);
-
-    gen(dst, tcg_env, src);
-    gen_helper_check_ieee_exceptions(cpu_fsr, tcg_env);
-
-    gen_store_fpr_F(dc, rd, dst);
-}
-
 static void gen_fop_FFF(DisasContext *dc, int rd, int rs1, int rs2,
                         void (*gen)(TCGv_i32, TCGv_ptr, TCGv_i32, TCGv_i32))
 {
@@ -4806,6 +4792,27 @@ TRANS(FABSs, ALL, do_ff, a, gen_op_fabss)
 TRANS(FSRCs, VIS1, do_ff, a, tcg_gen_mov_i32)
 TRANS(FNOTs, VIS1, do_ff, a, tcg_gen_not_i32)
 
+static bool do_env_ff(DisasContext *dc, arg_r_r *a,
+                      void (*func)(TCGv_i32, TCGv_env, TCGv_i32))
+{
+    TCGv_i32 tmp;
+
+    if (gen_trap_ifnofpu(dc)) {
+        return true;
+    }
+
+    gen_op_clear_ieee_excp_and_FTT();
+    tmp = gen_load_fpr_F(dc, a->rs);
+    func(tmp, tcg_env, tmp);
+    gen_helper_check_ieee_exceptions(cpu_fsr, tcg_env);
+    gen_store_fpr_F(dc, a->rd, tmp);
+    return advance_pc(dc);
+}
+
+TRANS(FSQRTs, ALL, do_env_ff, a, gen_helper_fsqrts)
+TRANS(FiTOs, ALL, do_env_ff, a, gen_helper_fitos)
+TRANS(FsTOi, ALL, do_env_ff, a, gen_helper_fstoi)
+
 static bool do_dd(DisasContext *dc, arg_r_r *a,
                   void (*func)(TCGv_i64, TCGv_i64))
 {
@@ -4967,10 +4974,10 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn)
                 case 0x2: /* V9 fmovd */
                 case 0x6: /* V9 fnegd */
                 case 0xa: /* V9 fabsd */
-                    g_assert_not_reached(); /* in decodetree */
                 case 0x29: /* fsqrts */
-                    gen_fop_FF(dc, rd, rs2, gen_helper_fsqrts);
-                    break;
+                case 0xc4: /* fitos */
+                case 0xd1: /* fstoi */
+                    g_assert_not_reached(); /* in decodetree */
                 case 0x2a: /* fsqrtd */
                     gen_fop_DD(dc, rd, rs2, gen_helper_fsqrtd);
                     break;
@@ -5026,9 +5033,6 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn)
                     CHECK_FPU_FEATURE(dc, FLOAT128);
                     gen_fop_QDD(dc, rd, rs1, rs2, gen_helper_fdmulq);
                     break;
-                case 0xc4: /* fitos */
-                    gen_fop_FF(dc, rd, rs2, gen_helper_fitos);
-                    break;
                 case 0xc6: /* fdtos */
                     gen_fop_FD(dc, rd, rs2, gen_helper_fdtos);
                     break;
@@ -5058,9 +5062,6 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn)
                     CHECK_FPU_FEATURE(dc, FLOAT128);
                     gen_ne_fop_QD(dc, rd, rs2, gen_helper_fdtoq);
                     break;
-                case 0xd1: /* fstoi */
-                    gen_fop_FF(dc, rd, rs2, gen_helper_fstoi);
-                    break;
                 case 0xd2: /* fdtoi */
                     gen_fop_FD(dc, rd, rs2, gen_helper_fdtoi);
                     break;