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Diffstat (limited to 'target-tilegx/simd_helper.c')
-rw-r--r--target-tilegx/simd_helper.c118
1 files changed, 114 insertions, 4 deletions
diff --git a/target-tilegx/simd_helper.c b/target-tilegx/simd_helper.c
index b9319292f3..6d7bb5ce2b 100644
--- a/target-tilegx/simd_helper.c
+++ b/target-tilegx/simd_helper.c
@@ -23,12 +23,54 @@
#include "exec/helper-proto.h"
+/* Broadcast a value to all elements of a vector. */
+#define V1(X) (((X) & 0xff) * 0x0101010101010101ull)
+#define V2(X) (((X) & 0xffff) * 0x0001000100010001ull)
+
+
+uint64_t helper_v1multu(uint64_t a, uint64_t b)
+{
+ uint64_t r = 0;
+ int i;
+
+ for (i = 0; i < 64; i += 8) {
+ unsigned ae = extract64(a, i, 8);
+ unsigned be = extract64(b, i, 8);
+ r = deposit64(r, i, 8, ae * be);
+ }
+ return r;
+}
+
+uint64_t helper_v2mults(uint64_t a, uint64_t b)
+{
+ uint64_t r = 0;
+ int i;
+
+ /* While the instruction talks about signed inputs, with a
+ truncated result the sign of the inputs doesn't matter. */
+ for (i = 0; i < 64; i += 16) {
+ unsigned ae = extract64(a, i, 16);
+ unsigned be = extract64(b, i, 16);
+ r = deposit64(r, i, 16, ae * be);
+ }
+ return r;
+}
+
uint64_t helper_v1shl(uint64_t a, uint64_t b)
{
uint64_t m;
b &= 7;
- m = 0x0101010101010101ULL * (0xff >> b);
+ m = V1(0xff >> b);
+ return (a & m) << b;
+}
+
+uint64_t helper_v2shl(uint64_t a, uint64_t b)
+{
+ uint64_t m;
+
+ b &= 15;
+ m = V2(0xffff >> b);
return (a & m) << b;
}
@@ -37,7 +79,16 @@ uint64_t helper_v1shru(uint64_t a, uint64_t b)
uint64_t m;
b &= 7;
- m = 0x0101010101010101ULL * ((0xff << b) & 0xff);
+ m = V1(0xff << b);
+ return (a & m) >> b;
+}
+
+uint64_t helper_v2shru(uint64_t a, uint64_t b)
+{
+ uint64_t m;
+
+ b &= 15;
+ m = V2(0xffff << b);
return (a & m) >> b;
}
@@ -48,8 +99,67 @@ uint64_t helper_v1shrs(uint64_t a, uint64_t b)
b &= 7;
for (i = 0; i < 64; i += 8) {
- int64_t ae = (int8_t)(a >> i);
- r |= ((ae >> b) & 0xff) << i;
+ r = deposit64(r, i, 8, sextract64(a, i + b, 8 - b));
+ }
+ return r;
+}
+
+uint64_t helper_v2shrs(uint64_t a, uint64_t b)
+{
+ uint64_t r = 0;
+ int i;
+
+ b &= 15;
+ for (i = 0; i < 64; i += 16) {
+ r = deposit64(r, i, 16, sextract64(a, i + b, 16 - b));
+ }
+ return r;
+}
+
+uint64_t helper_v1int_h(uint64_t a, uint64_t b)
+{
+ uint64_t r = 0;
+ int i;
+
+ for (i = 0; i < 32; i += 8) {
+ r = deposit64(r, 2 * i + 8, 8, extract64(a, i + 32, 8));
+ r = deposit64(r, 2 * i, 8, extract64(b, i + 32, 8));
+ }
+ return r;
+}
+
+uint64_t helper_v1int_l(uint64_t a, uint64_t b)
+{
+ uint64_t r = 0;
+ int i;
+
+ for (i = 0; i < 32; i += 8) {
+ r = deposit64(r, 2 * i + 8, 8, extract64(a, i, 8));
+ r = deposit64(r, 2 * i, 8, extract64(b, i, 8));
+ }
+ return r;
+}
+
+uint64_t helper_v2int_h(uint64_t a, uint64_t b)
+{
+ uint64_t r = 0;
+ int i;
+
+ for (i = 0; i < 32; i += 16) {
+ r = deposit64(r, 2 * i + 16, 16, extract64(a, i + 32, 16));
+ r = deposit64(r, 2 * i, 16, extract64(b, i + 32, 16));
+ }
+ return r;
+}
+
+uint64_t helper_v2int_l(uint64_t a, uint64_t b)
+{
+ uint64_t r = 0;
+ int i;
+
+ for (i = 0; i < 32; i += 16) {
+ r = deposit64(r, 2 * i + 16, 16, extract64(a, i, 16));
+ r = deposit64(r, 2 * i, 16, extract64(b, i, 16));
}
return r;
}