[PATCH 24/41] target/sparc: Implement FSLL, FSRL, FSRA, FSLAS

[Richard Henderson]

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/sparc/helper.h     |  2 ++
 target/sparc/translate.c  | 11 +++++++++++
 target/sparc/vis_helper.c | 36 ++++++++++++++++++++++++++++++++++++
 target/sparc/insns.decode |  9 +++++++++
 4 files changed, 58 insertions(+)

diff --git a/target/sparc/helper.h b/target/sparc/helper.h
index fb52f31666..331acbe8d0 100644
--- a/target/sparc/helper.h
+++ b/target/sparc/helper.h
@@ -114,6 +114,8 @@ DEF_HELPER_FLAGS_2(cmask16, TCG_CALL_NO_RWG_SE, i64, i64, 
i64)
 DEF_HELPER_FLAGS_2(cmask32, TCG_CALL_NO_RWG_SE, i64, i64, i64)
 DEF_HELPER_FLAGS_2(fchksm16, TCG_CALL_NO_RWG_SE, i64, i64, i64)
 DEF_HELPER_FLAGS_2(fmean16, TCG_CALL_NO_RWG_SE, i64, i64, i64)
+DEF_HELPER_FLAGS_2(fslas16, TCG_CALL_NO_RWG_SE, i64, i64, i64)
+DEF_HELPER_FLAGS_2(fslas32, TCG_CALL_NO_RWG_SE, i64, i64, i64)
 #define VIS_CMPHELPER(name)                                              \
     DEF_HELPER_FLAGS_2(f##name##16, TCG_CALL_NO_RWG_SE,      \
                        i64, i64, i64)                                    \
diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index bc8c314d4c..cab177190a 100644
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -84,6 +84,8 @@
 # define gen_helper_fmul8x16             ({ qemu_build_not_reached(); NULL; })
 # define gen_helper_fpmerge              ({ qemu_build_not_reached(); NULL; })
 # define gen_helper_fqtox                ({ qemu_build_not_reached(); NULL; })
+# define gen_helper_fslas16              ({ qemu_build_not_reached(); NULL; })
+# define gen_helper_fslas32              ({ qemu_build_not_reached(); NULL; })
 # define gen_helper_fstox                ({ qemu_build_not_reached(); NULL; })
 # define gen_helper_fxtod                ({ qemu_build_not_reached(); NULL; })
 # define gen_helper_fxtoq                ({ qemu_build_not_reached(); NULL; })
@@ -4953,6 +4955,13 @@ TRANS(FPADDS32, VIS3, do_gvec_ddd, a, MO_32, 
tcg_gen_gvec_ssadd)
 TRANS(FPSUBS16, VIS3, do_gvec_ddd, a, MO_16, tcg_gen_gvec_sssub)
 TRANS(FPSUBS32, VIS3, do_gvec_ddd, a, MO_32, tcg_gen_gvec_sssub)
 
+TRANS(FSLL16, VIS3, do_gvec_ddd, a, MO_16, tcg_gen_gvec_shlv)
+TRANS(FSLL32, VIS3, do_gvec_ddd, a, MO_32, tcg_gen_gvec_shlv)
+TRANS(FSRL16, VIS3, do_gvec_ddd, a, MO_16, tcg_gen_gvec_shrv)
+TRANS(FSRL32, VIS3, do_gvec_ddd, a, MO_32, tcg_gen_gvec_shrv)
+TRANS(FSRA16, VIS3, do_gvec_ddd, a, MO_16, tcg_gen_gvec_sarv)
+TRANS(FSRA32, VIS3, do_gvec_ddd, a, MO_32, tcg_gen_gvec_sarv)
+
 static bool do_ddd(DisasContext *dc, arg_r_r_r *a,
                    void (*func)(TCGv_i64, TCGv_i64, TCGv_i64))
 {
@@ -4993,6 +5002,8 @@ TRANS(FNADDd, VIS3, do_ddd, a, gen_op_fnaddd)
 
 TRANS(FPADD64, VIS3B, do_ddd, a, tcg_gen_add_i64)
 TRANS(FPSUB64, VIS3B, do_ddd, a, tcg_gen_sub_i64)
+TRANS(FSLAS16, VIS3, do_ddd, a, gen_helper_fslas16)
+TRANS(FSLAS32, VIS3, do_ddd, a, gen_helper_fslas32)
 
 static bool do_rdd(DisasContext *dc, arg_r_r_r *a,
                    void (*func)(TCGv, TCGv_i64, TCGv_i64))
diff --git a/target/sparc/vis_helper.c b/target/sparc/vis_helper.c
index 2d290a440e..8675ac64b3 100644
--- a/target/sparc/vis_helper.c
+++ b/target/sparc/vis_helper.c
@@ -456,3 +456,39 @@ uint64_t helper_fmean16(uint64_t src1, uint64_t src2)
 
     return r.ll;
 }
+
+uint64_t helper_fslas16(uint64_t src1, uint64_t src2)
+{
+    VIS64 r, s1, s2;
+
+    s1.ll = src1;
+    s2.ll = src2;
+    r.ll = 0;
+
+    for (int i = 0; i < 4; ++i) {
+        int t = s1.VIS_SW64(i) << (s2.VIS_W64(i) % 16);
+        t = MIN(t, INT16_MAX);
+        t = MAX(t, INT16_MIN);
+        r.VIS_SW64(i) = t;
+    }
+
+    return r.ll;
+}
+
+uint64_t helper_fslas32(uint64_t src1, uint64_t src2)
+{
+    VIS64 r, s1, s2;
+
+    s1.ll = src1;
+    s2.ll = src2;
+    r.ll = 0;
+
+    for (int i = 0; i < 2; ++i) {
+        int64_t t = (int64_t)(int32_t)s1.VIS_L64(i) << (s2.VIS_L64(i) % 32);
+        t = MIN(t, INT32_MAX);
+        t = MAX(t, INT32_MIN);
+        r.VIS_L64(i) = t;
+    }
+
+    return r.ll;
+}
diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode
index c94007bf95..67591b7df9 100644
--- a/target/sparc/insns.decode
+++ b/target/sparc/insns.decode
@@ -408,6 +408,15 @@ FCMPEq      10 000 cc:2 110101 .....  0 0101 0111 .....    
\
     FPCMPGT32   10 ..... 110110 ..... 0 0010 1100 .....    @r_d_d
     FPCMPEQ32   10 ..... 110110 ..... 0 0010 1110 .....    @r_d_d
 
+    FSLL16      10 ..... 110110 ..... 0 0010 0001 .....    @d_d_d
+    FSRL16      10 ..... 110110 ..... 0 0010 0011 .....    @d_d_d
+    FSLAS16     10 ..... 110110 ..... 0 0010 1001 .....    @d_d_d
+    FSRA16      10 ..... 110110 ..... 0 0010 1011 .....    @d_d_d
+    FSLL32      10 ..... 110110 ..... 0 0010 0101 .....    @d_d_d
+    FSRL32      10 ..... 110110 ..... 0 0010 0111 .....    @d_d_d
+    FSLAS32     10 ..... 110110 ..... 0 0010 1101 .....    @d_d_d
+    FSRA32      10 ..... 110110 ..... 0 0010 1111 .....    @d_d_d
+
     FPCMPULE8   10 ..... 110110 ..... 1 0010 0000 .....    @r_d_d
     FPCMPUGT8   10 ..... 110110 ..... 1 0010 1000 .....    @r_d_d
     FPCMPEQ8    10 ..... 110110 ..... 1 0010 0010 .....    @r_d_d
-- 
2.34.1