[PULL 91/94] target/sparc: Move FPCMP* to decodetree

Richard Henderson posted 94 patches 1 year, 1 month ago
Maintainers: Richard Henderson <richard.henderson@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>, Laurent Vivier <laurent@vivier.eu>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, Artyom Tarasenko <atar4qemu@gmail.com>, WANG Xuerui <git@xen0n.name>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Aurelien Jarno <aurelien@aurel32.net>, Huacai Chen <chenhuacai@kernel.org>, Jiaxun Yang <jiaxun.yang@flygoat.com>, Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>, Palmer Dabbelt <palmer@dabbelt.com>, Alistair Francis <Alistair.Francis@wdc.com>, Stefan Weil <sw@weilnetz.de>
There is a newer version of this series
[PULL 91/94] target/sparc: Move FPCMP* to decodetree
Posted by Richard Henderson 1 year, 1 month ago
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>
---
 target/sparc/insns.decode |  9 ++++
 target/sparc/translate.c  | 90 +++++++++++++++++----------------------
 2 files changed, 47 insertions(+), 52 deletions(-)

diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode
index f197bb0b36..781c3cd7f7 100644
--- a/target/sparc/insns.decode
+++ b/target/sparc/insns.decode
@@ -327,6 +327,15 @@ FCMPEq      10 000 cc:2 110101 rs1:5  0 0101 0111 rs2:5
 
     BMASK       10 ..... 110110 ..... 0 0001 1001 .....    @r_r_r
 
+    FPCMPLE16   10 ..... 110110 ..... 0 0010 0000 .....    @r_r_r
+    FPCMPNE16   10 ..... 110110 ..... 0 0010 0010 .....    @r_r_r
+    FPCMPGT16   10 ..... 110110 ..... 0 0010 1000 .....    @r_r_r
+    FPCMPEQ16   10 ..... 110110 ..... 0 0010 1010 .....    @r_r_r
+    FPCMPLE32   10 ..... 110110 ..... 0 0010 0100 .....    @r_r_r
+    FPCMPNE32   10 ..... 110110 ..... 0 0010 0110 .....    @r_r_r
+    FPCMPGT32   10 ..... 110110 ..... 0 0010 1100 .....    @r_r_r
+    FPCMPEQ32   10 ..... 110110 ..... 0 0010 1110 .....    @r_r_r
+
     FMUL8x16    10 ..... 110110 ..... 0 0011 0001 .....    @r_r_r
     FMUL8x16AU  10 ..... 110110 ..... 0 0011 0011 .....    @r_r_r
     FMUL8x16AL  10 ..... 110110 ..... 0 0011 0101 .....    @r_r_r
diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index ddde64dfb4..3ee1015cc4 100644
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -64,6 +64,14 @@
 # define gen_helper_wrpil(E, S)                 qemu_build_not_reached()
 # define gen_helper_wrpstate(E, S)              qemu_build_not_reached()
 # define gen_helper_fabsq                ({ qemu_build_not_reached(); NULL; })
+# define gen_helper_fcmpeq16             ({ qemu_build_not_reached(); NULL; })
+# define gen_helper_fcmpeq32             ({ qemu_build_not_reached(); NULL; })
+# define gen_helper_fcmpgt16             ({ qemu_build_not_reached(); NULL; })
+# define gen_helper_fcmpgt32             ({ qemu_build_not_reached(); NULL; })
+# define gen_helper_fcmple16             ({ qemu_build_not_reached(); NULL; })
+# define gen_helper_fcmple32             ({ qemu_build_not_reached(); NULL; })
+# define gen_helper_fcmpne16             ({ qemu_build_not_reached(); NULL; })
+# define gen_helper_fcmpne32             ({ qemu_build_not_reached(); NULL; })
 # define gen_helper_fdtox                ({ qemu_build_not_reached(); NULL; })
 # define gen_helper_fexpand              ({ qemu_build_not_reached(); NULL; })
 # define gen_helper_fmul8sux16           ({ qemu_build_not_reached(); NULL; })
@@ -4947,6 +4955,34 @@ TRANS(FPACK32, VIS1, do_ddd, a, gen_op_fpack32)
 TRANS(FALIGNDATAg, VIS1, do_ddd, a, gen_op_faligndata)
 TRANS(BSHUFFLE, VIS2, do_ddd, a, gen_op_bshuffle)
 
+static bool do_rdd(DisasContext *dc, arg_r_r_r *a,
+                   void (*func)(TCGv, TCGv_i64, TCGv_i64))
+{
+    TCGv_i64 src1, src2;
+    TCGv dst;
+
+    if (gen_trap_ifnofpu(dc)) {
+        return true;
+    }
+
+    dst = gen_dest_gpr(dc, a->rd);
+    src1 = gen_load_fpr_D(dc, a->rs1);
+    src2 = gen_load_fpr_D(dc, a->rs2);
+    func(dst, src1, src2);
+    gen_store_gpr(dc, a->rd, dst);
+    return advance_pc(dc);
+}
+
+TRANS(FPCMPLE16, VIS1, do_rdd, a, gen_helper_fcmple16)
+TRANS(FPCMPNE16, VIS1, do_rdd, a, gen_helper_fcmpne16)
+TRANS(FPCMPGT16, VIS1, do_rdd, a, gen_helper_fcmpgt16)
+TRANS(FPCMPEQ16, VIS1, do_rdd, a, gen_helper_fcmpeq16)
+
+TRANS(FPCMPLE32, VIS1, do_rdd, a, gen_helper_fcmple32)
+TRANS(FPCMPNE32, VIS1, do_rdd, a, gen_helper_fcmpne32)
+TRANS(FPCMPGT32, VIS1, do_rdd, a, gen_helper_fcmpgt32)
+TRANS(FPCMPEQ32, VIS1, do_rdd, a, gen_helper_fcmpeq32)
+
 static bool do_env_ddd(DisasContext *dc, arg_r_r_r *a,
                        void (*func)(TCGv_i64, TCGv_env, TCGv_i64, TCGv_i64))
 {
@@ -5229,11 +5265,9 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn)
             } else if (xop == 0x36) {
 #ifdef TARGET_SPARC64
                 /* VIS */
-                TCGv_i64 cpu_src1_64, cpu_src2_64, cpu_dst_64;
+                TCGv_i64 cpu_src1_64, cpu_dst_64;
                 TCGv_i32 cpu_dst_32;
-                TCGv cpu_dst = tcg_temp_new();
                 int opf = GET_FIELD_SP(insn, 5, 13);
-                int rs1 = GET_FIELD(insn, 13, 17);
                 int rs2 = GET_FIELD(insn, 27, 31);
                 int rd = GET_FIELD(insn, 2, 6);
 
@@ -5309,63 +5343,15 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn)
                 case 0x03a: /* VIS I fpack32 */
                 case 0x048: /* VIS I faligndata */
                 case 0x04c: /* VIS II bshuffle */
-                    g_assert_not_reached();  /* in decodetree */
                 case 0x020: /* VIS I fcmple16 */
-                    CHECK_FPU_FEATURE(dc, VIS1);
-                    cpu_src1_64 = gen_load_fpr_D(dc, rs1);
-                    cpu_src2_64 = gen_load_fpr_D(dc, rs2);
-                    gen_helper_fcmple16(cpu_dst, cpu_src1_64, cpu_src2_64);
-                    gen_store_gpr(dc, rd, cpu_dst);
-                    break;
                 case 0x022: /* VIS I fcmpne16 */
-                    CHECK_FPU_FEATURE(dc, VIS1);
-                    cpu_src1_64 = gen_load_fpr_D(dc, rs1);
-                    cpu_src2_64 = gen_load_fpr_D(dc, rs2);
-                    gen_helper_fcmpne16(cpu_dst, cpu_src1_64, cpu_src2_64);
-                    gen_store_gpr(dc, rd, cpu_dst);
-                    break;
                 case 0x024: /* VIS I fcmple32 */
-                    CHECK_FPU_FEATURE(dc, VIS1);
-                    cpu_src1_64 = gen_load_fpr_D(dc, rs1);
-                    cpu_src2_64 = gen_load_fpr_D(dc, rs2);
-                    gen_helper_fcmple32(cpu_dst, cpu_src1_64, cpu_src2_64);
-                    gen_store_gpr(dc, rd, cpu_dst);
-                    break;
                 case 0x026: /* VIS I fcmpne32 */
-                    CHECK_FPU_FEATURE(dc, VIS1);
-                    cpu_src1_64 = gen_load_fpr_D(dc, rs1);
-                    cpu_src2_64 = gen_load_fpr_D(dc, rs2);
-                    gen_helper_fcmpne32(cpu_dst, cpu_src1_64, cpu_src2_64);
-                    gen_store_gpr(dc, rd, cpu_dst);
-                    break;
                 case 0x028: /* VIS I fcmpgt16 */
-                    CHECK_FPU_FEATURE(dc, VIS1);
-                    cpu_src1_64 = gen_load_fpr_D(dc, rs1);
-                    cpu_src2_64 = gen_load_fpr_D(dc, rs2);
-                    gen_helper_fcmpgt16(cpu_dst, cpu_src1_64, cpu_src2_64);
-                    gen_store_gpr(dc, rd, cpu_dst);
-                    break;
                 case 0x02a: /* VIS I fcmpeq16 */
-                    CHECK_FPU_FEATURE(dc, VIS1);
-                    cpu_src1_64 = gen_load_fpr_D(dc, rs1);
-                    cpu_src2_64 = gen_load_fpr_D(dc, rs2);
-                    gen_helper_fcmpeq16(cpu_dst, cpu_src1_64, cpu_src2_64);
-                    gen_store_gpr(dc, rd, cpu_dst);
-                    break;
                 case 0x02c: /* VIS I fcmpgt32 */
-                    CHECK_FPU_FEATURE(dc, VIS1);
-                    cpu_src1_64 = gen_load_fpr_D(dc, rs1);
-                    cpu_src2_64 = gen_load_fpr_D(dc, rs2);
-                    gen_helper_fcmpgt32(cpu_dst, cpu_src1_64, cpu_src2_64);
-                    gen_store_gpr(dc, rd, cpu_dst);
-                    break;
                 case 0x02e: /* VIS I fcmpeq32 */
-                    CHECK_FPU_FEATURE(dc, VIS1);
-                    cpu_src1_64 = gen_load_fpr_D(dc, rs1);
-                    cpu_src2_64 = gen_load_fpr_D(dc, rs2);
-                    gen_helper_fcmpeq32(cpu_dst, cpu_src1_64, cpu_src2_64);
-                    gen_store_gpr(dc, rd, cpu_dst);
-                    break;
+                    g_assert_not_reached();  /* in decodetree */
                 case 0x03b: /* VIS I fpack16 */
                     CHECK_FPU_FEATURE(dc, VIS1);
                     cpu_src1_64 = gen_load_fpr_D(dc, rs2);
-- 
2.34.1