Sparc: split FPU and VIS op helpers

Move FPU op helpers to fop_helper.c. Move VIS op helpers to vis_helper.c,
compile it only for Sparc64.

Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

1 files changed, 403 insertions, 0 deletions

diff --git a/target-sparc/vis_helper.c b/target-sparc/vis_helper.c
new file mode 100644
index 000000000..87a86efef
--- /dev/null
+++ b/target-sparc/vis_helper.c
@@ -0,0 +1,403 @@
+/*
+ * VIS op helpers
+ *
+ *  Copyright (c) 2003-2005 Fabrice Bellard
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "cpu.h"
+#include "dyngen-exec.h"
+#include "helper.h"
+
+#define DT0 (env->dt0)
+#define DT1 (env->dt1)
+#define QT0 (env->qt0)
+#define QT1 (env->qt1)
+
+/* This function uses non-native bit order */
+#define GET_FIELD(X, FROM, TO)                                  \
+    ((X) >> (63 - (TO)) & ((1ULL << ((TO) - (FROM) + 1)) - 1))
+
+/* This function uses the order in the manuals, i.e. bit 0 is 2^0 */
+#define GET_FIELD_SP(X, FROM, TO)               \
+    GET_FIELD(X, 63 - (TO), 63 - (FROM))
+
+target_ulong helper_array8(target_ulong pixel_addr, target_ulong cubesize)
+{
+    return (GET_FIELD_SP(pixel_addr, 60, 63) << (17 + 2 * cubesize)) |
+        (GET_FIELD_SP(pixel_addr, 39, 39 + cubesize - 1) << (17 + cubesize)) |
+        (GET_FIELD_SP(pixel_addr, 17 + cubesize - 1, 17) << 17) |
+        (GET_FIELD_SP(pixel_addr, 56, 59) << 13) |
+        (GET_FIELD_SP(pixel_addr, 35, 38) << 9) |
+        (GET_FIELD_SP(pixel_addr, 13, 16) << 5) |
+        (((pixel_addr >> 55) & 1) << 4) |
+        (GET_FIELD_SP(pixel_addr, 33, 34) << 2) |
+        GET_FIELD_SP(pixel_addr, 11, 12);
+}
+
+target_ulong helper_alignaddr(target_ulong addr, target_ulong offset)
+{
+    uint64_t tmp;
+
+    tmp = addr + offset;
+    env->gsr &= ~7ULL;
+    env->gsr |= tmp & 7ULL;
+    return tmp & ~7ULL;
+}
+
+void helper_faligndata(void)
+{
+    uint64_t tmp;
+
+    tmp = (*((uint64_t *)&DT0)) << ((env->gsr & 7) * 8);
+    /* on many architectures a shift of 64 does nothing */
+    if ((env->gsr & 7) != 0) {
+        tmp |= (*((uint64_t *)&DT1)) >> (64 - (env->gsr & 7) * 8);
+    }
+    *((uint64_t *)&DT0) = tmp;
+}
+
+#ifdef HOST_WORDS_BIGENDIAN
+#define VIS_B64(n) b[7 - (n)]
+#define VIS_W64(n) w[3 - (n)]
+#define VIS_SW64(n) sw[3 - (n)]
+#define VIS_L64(n) l[1 - (n)]
+#define VIS_B32(n) b[3 - (n)]
+#define VIS_W32(n) w[1 - (n)]
+#else
+#define VIS_B64(n) b[n]
+#define VIS_W64(n) w[n]
+#define VIS_SW64(n) sw[n]
+#define VIS_L64(n) l[n]
+#define VIS_B32(n) b[n]
+#define VIS_W32(n) w[n]
+#endif
+
+typedef union {
+    uint8_t b[8];
+    uint16_t w[4];
+    int16_t sw[4];
+    uint32_t l[2];
+    uint64_t ll;
+    float64 d;
+} VIS64;
+
+typedef union {
+    uint8_t b[4];
+    uint16_t w[2];
+    uint32_t l;
+    float32 f;
+} VIS32;
+
+void helper_fpmerge(void)
+{
+    VIS64 s, d;
+
+    s.d = DT0;
+    d.d = DT1;
+
+    /* Reverse calculation order to handle overlap */
+    d.VIS_B64(7) = s.VIS_B64(3);
+    d.VIS_B64(6) = d.VIS_B64(3);
+    d.VIS_B64(5) = s.VIS_B64(2);
+    d.VIS_B64(4) = d.VIS_B64(2);
+    d.VIS_B64(3) = s.VIS_B64(1);
+    d.VIS_B64(2) = d.VIS_B64(1);
+    d.VIS_B64(1) = s.VIS_B64(0);
+    /* d.VIS_B64(0) = d.VIS_B64(0); */
+
+    DT0 = d.d;
+}
+
+void helper_fmul8x16(void)
+{
+    VIS64 s, d;
+    uint32_t tmp;
+
+    s.d = DT0;
+    d.d = DT1;
+
+#define PMUL(r)                                                 \
+    tmp = (int32_t)d.VIS_SW64(r) * (int32_t)s.VIS_B64(r);       \
+    if ((tmp & 0xff) > 0x7f) {                                  \
+        tmp += 0x100;                                           \
+    }                                                           \
+    d.VIS_W64(r) = tmp >> 8;
+
+    PMUL(0);
+    PMUL(1);
+    PMUL(2);
+    PMUL(3);
+#undef PMUL
+
+    DT0 = d.d;
+}
+
+void helper_fmul8x16al(void)
+{
+    VIS64 s, d;
+    uint32_t tmp;
+
+    s.d = DT0;
+    d.d = DT1;
+
+#define PMUL(r)                                                 \
+    tmp = (int32_t)d.VIS_SW64(1) * (int32_t)s.VIS_B64(r);       \
+    if ((tmp & 0xff) > 0x7f) {                                  \
+        tmp += 0x100;                                           \
+    }                                                           \
+    d.VIS_W64(r) = tmp >> 8;
+
+    PMUL(0);
+    PMUL(1);
+    PMUL(2);
+    PMUL(3);
+#undef PMUL
+
+    DT0 = d.d;
+}
+
+void helper_fmul8x16au(void)
+{
+    VIS64 s, d;
+    uint32_t tmp;
+
+    s.d = DT0;
+    d.d = DT1;
+
+#define PMUL(r)                                                 \
+    tmp = (int32_t)d.VIS_SW64(0) * (int32_t)s.VIS_B64(r);       \
+    if ((tmp & 0xff) > 0x7f) {                                  \
+        tmp += 0x100;                                           \
+    }                                                           \
+    d.VIS_W64(r) = tmp >> 8;
+
+    PMUL(0);
+    PMUL(1);
+    PMUL(2);
+    PMUL(3);
+#undef PMUL
+
+    DT0 = d.d;
+}
+
+void helper_fmul8sux16(void)
+{
+    VIS64 s, d;
+    uint32_t tmp;
+
+    s.d = DT0;
+    d.d = DT1;
+
+#define PMUL(r)                                                         \
+    tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8);       \
+    if ((tmp & 0xff) > 0x7f) {                                          \
+        tmp += 0x100;                                                   \
+    }                                                                   \
+    d.VIS_W64(r) = tmp >> 8;
+
+    PMUL(0);
+    PMUL(1);
+    PMUL(2);
+    PMUL(3);
+#undef PMUL
+
+    DT0 = d.d;
+}
+
+void helper_fmul8ulx16(void)
+{
+    VIS64 s, d;
+    uint32_t tmp;
+
+    s.d = DT0;
+    d.d = DT1;
+
+#define PMUL(r)                                                         \
+    tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2));        \
+    if ((tmp & 0xff) > 0x7f) {                                          \
+        tmp += 0x100;                                                   \
+    }                                                                   \
+    d.VIS_W64(r) = tmp >> 8;
+
+    PMUL(0);
+    PMUL(1);
+    PMUL(2);
+    PMUL(3);
+#undef PMUL
+
+    DT0 = d.d;
+}
+
+void helper_fmuld8sux16(void)
+{
+    VIS64 s, d;
+    uint32_t tmp;
+
+    s.d = DT0;
+    d.d = DT1;
+
+#define PMUL(r)                                                         \
+    tmp = (int32_t)d.VIS_SW64(r) * ((int32_t)s.VIS_SW64(r) >> 8);       \
+    if ((tmp & 0xff) > 0x7f) {                                          \
+        tmp += 0x100;                                                   \
+    }                                                                   \
+    d.VIS_L64(r) = tmp;
+
+    /* Reverse calculation order to handle overlap */
+    PMUL(1);
+    PMUL(0);
+#undef PMUL
+
+    DT0 = d.d;
+}
+
+void helper_fmuld8ulx16(void)
+{
+    VIS64 s, d;
+    uint32_t tmp;
+
+    s.d = DT0;
+    d.d = DT1;
+
+#define PMUL(r)                                                         \
+    tmp = (int32_t)d.VIS_SW64(r) * ((uint32_t)s.VIS_B64(r * 2));        \
+    if ((tmp & 0xff) > 0x7f) {                                          \
+        tmp += 0x100;                                                   \
+    }                                                                   \
+    d.VIS_L64(r) = tmp;
+
+    /* Reverse calculation order to handle overlap */
+    PMUL(1);
+    PMUL(0);
+#undef PMUL
+
+    DT0 = d.d;
+}
+
+void helper_fexpand(void)
+{
+    VIS32 s;
+    VIS64 d;
+
+    s.l = (uint32_t)(*(uint64_t *)&DT0 & 0xffffffff);
+    d.d = DT1;
+    d.VIS_W64(0) = s.VIS_B32(0) << 4;
+    d.VIS_W64(1) = s.VIS_B32(1) << 4;
+    d.VIS_W64(2) = s.VIS_B32(2) << 4;
+    d.VIS_W64(3) = s.VIS_B32(3) << 4;
+
+    DT0 = d.d;
+}
+
+#define VIS_HELPER(name, F)                             \
+    void name##16(void)                                 \
+    {                                                   \
+        VIS64 s, d;                                     \
+                                                        \
+        s.d = DT0;                                      \
+        d.d = DT1;                                      \
+                                                        \
+        d.VIS_W64(0) = F(d.VIS_W64(0), s.VIS_W64(0));   \
+        d.VIS_W64(1) = F(d.VIS_W64(1), s.VIS_W64(1));   \
+        d.VIS_W64(2) = F(d.VIS_W64(2), s.VIS_W64(2));   \
+        d.VIS_W64(3) = F(d.VIS_W64(3), s.VIS_W64(3));   \
+                                                        \
+        DT0 = d.d;                                      \
+    }                                                   \
+                                                        \
+    uint32_t name##16s(uint32_t src1, uint32_t src2)    \
+    {                                                   \
+        VIS32 s, d;                                     \
+                                                        \
+        s.l = src1;                                     \
+        d.l = src2;                                     \
+                                                        \
+        d.VIS_W32(0) = F(d.VIS_W32(0), s.VIS_W32(0));   \
+        d.VIS_W32(1) = F(d.VIS_W32(1), s.VIS_W32(1));   \
+                                                        \
+        return d.l;                                     \
+    }                                                   \
+                                                        \
+    void name##32(void)                                 \
+    {                                                   \
+        VIS64 s, d;                                     \
+                                                        \
+        s.d = DT0;                                      \
+        d.d = DT1;                                      \
+                                                        \
+        d.VIS_L64(0) = F(d.VIS_L64(0), s.VIS_L64(0));   \
+        d.VIS_L64(1) = F(d.VIS_L64(1), s.VIS_L64(1));   \
+                                                        \
+        DT0 = d.d;                                      \
+    }                                                   \
+                                                        \
+    uint32_t name##32s(uint32_t src1, uint32_t src2)    \
+    {                                                   \
+        VIS32 s, d;                                     \
+                                                        \
+        s.l = src1;                                     \
+        d.l = src2;                                     \
+                                                        \
+        d.l = F(d.l, s.l);                              \
+                                                        \
+        return d.l;                                     \
+    }
+
+#define FADD(a, b) ((a) + (b))
+#define FSUB(a, b) ((a) - (b))
+VIS_HELPER(helper_fpadd, FADD)
+VIS_HELPER(helper_fpsub, FSUB)
+
+#define VIS_CMPHELPER(name, F)                                    \
+    uint64_t name##16(void)                                       \
+    {                                                             \
+        VIS64 s, d;                                               \
+                                                                  \
+        s.d = DT0;                                                \
+        d.d = DT1;                                                \
+                                                                  \
+        d.VIS_W64(0) = F(s.VIS_W64(0), d.VIS_W64(0)) ? 1 : 0;     \
+        d.VIS_W64(0) |= F(s.VIS_W64(1), d.VIS_W64(1)) ? 2 : 0;    \
+        d.VIS_W64(0) |= F(s.VIS_W64(2), d.VIS_W64(2)) ? 4 : 0;    \
+        d.VIS_W64(0) |= F(s.VIS_W64(3), d.VIS_W64(3)) ? 8 : 0;    \
+        d.VIS_W64(1) = d.VIS_W64(2) = d.VIS_W64(3) = 0;           \
+                                                                  \
+        return d.ll;                                              \
+    }                                                             \
+                                                                  \
+    uint64_t name##32(void)                                       \
+    {                                                             \
+        VIS64 s, d;                                               \
+                                                                  \
+        s.d = DT0;                                                \
+        d.d = DT1;                                                \
+                                                                  \
+        d.VIS_L64(0) = F(s.VIS_L64(0), d.VIS_L64(0)) ? 1 : 0;     \
+        d.VIS_L64(0) |= F(s.VIS_L64(1), d.VIS_L64(1)) ? 2 : 0;    \
+        d.VIS_L64(1) = 0;                                         \
+                                                                  \
+        return d.ll;                                              \
+    }
+
+#define FCMPGT(a, b) ((a) > (b))
+#define FCMPEQ(a, b) ((a) == (b))
+#define FCMPLE(a, b) ((a) <= (b))
+#define FCMPNE(a, b) ((a) != (b))
+
+VIS_CMPHELPER(helper_fcmpgt, FCMPGT)
+VIS_CMPHELPER(helper_fcmpeq, FCMPEQ)
+VIS_CMPHELPER(helper_fcmple, FCMPLE)
+VIS_CMPHELPER(helper_fcmpne, FCMPNE)