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Diffstat (limited to 'tcg/README')
-rw-r--r-- | tcg/README | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/tcg/README b/tcg/README index f4695307bd..42d301961b 100644 --- a/tcg/README +++ b/tcg/README @@ -552,6 +552,35 @@ E.g. VECL=1 -> 64 << 1 -> v128, and VECE=2 -> 1 << 2 -> i32. Similarly, logical operations with and without compliment. Note that VECE is unused. +* shli_vec v0, v1, i2 +* shls_vec v0, v1, s2 + + Shift all elements from v1 by a scalar i2/s2. I.e. + + for (i = 0; i < VECL/VECE; ++i) { + v0[i] = v1[i] << s2; + } + +* shri_vec v0, v1, i2 +* sari_vec v0, v1, i2 +* shrs_vec v0, v1, s2 +* sars_vec v0, v1, s2 + + Similarly for logical and arithmetic right shift. + +* shlv_vec v0, v1, v2 + + Shift elements from v1 by elements from v2. I.e. + + for (i = 0; i < VECL/VECE; ++i) { + v0[i] = v1[i] << v2[i]; + } + +* shrv_vec v0, v1, v2 +* sarv_vec v0, v1, v2 + + Similarly for logical and arithmetic right shift. + ********* Note 1: Some shortcuts are defined when the last operand is known to be |