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authorRichard Henderson2022-06-08 20:38:58 +0200
committerPeter Maydell2022-06-08 20:38:58 +0200
commita613cf2d4ae61fbcdf084103ea10de193bfbe169 (patch)
tree1d380892f1f4fbb80617d7e67199713183927bde /target/arm/vec_helper.c
parenttarget/arm: Use expand_pred_b in mve_helper.c (diff)
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target/arm: Move expand_pred_h to vec_internal.h
Move the data to vec_helper.c and the inline to vec_internal.h. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20220607203306.657998-18-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/vec_helper.c')
-rw-r--r--target/arm/vec_helper.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/target/arm/vec_helper.c b/target/arm/vec_helper.c
index 17fb158362..26c373e522 100644
--- a/target/arm/vec_helper.c
+++ b/target/arm/vec_helper.c
@@ -127,6 +127,32 @@ const uint64_t expand_pred_b_data[256] = {
0xffffffffffffffff,
};
+/*
+ * Similarly for half-word elements.
+ * for (i = 0; i < 256; ++i) {
+ * unsigned long m = 0;
+ * if (i & 0xaa) {
+ * continue;
+ * }
+ * for (j = 0; j < 8; j += 2) {
+ * if ((i >> j) & 1) {
+ * m |= 0xfffful << (j << 3);
+ * }
+ * }
+ * printf("[0x%x] = 0x%016lx,\n", i, m);
+ * }
+ */
+const uint64_t expand_pred_h_data[0x55 + 1] = {
+ [0x01] = 0x000000000000ffff, [0x04] = 0x00000000ffff0000,
+ [0x05] = 0x00000000ffffffff, [0x10] = 0x0000ffff00000000,
+ [0x11] = 0x0000ffff0000ffff, [0x14] = 0x0000ffffffff0000,
+ [0x15] = 0x0000ffffffffffff, [0x40] = 0xffff000000000000,
+ [0x41] = 0xffff00000000ffff, [0x44] = 0xffff0000ffff0000,
+ [0x45] = 0xffff0000ffffffff, [0x50] = 0xffffffff00000000,
+ [0x51] = 0xffffffff0000ffff, [0x54] = 0xffffffffffff0000,
+ [0x55] = 0xffffffffffffffff,
+};
+
/* Signed saturating rounding doubling multiply-accumulate high half, 8-bit */
int8_t do_sqrdmlah_b(int8_t src1, int8_t src2, int8_t src3,
bool neg, bool round)