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| author | Richard Henderson <richard.henderson@linaro.org> | 2017-12-14 10:45:20 -0600 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2018-02-08 15:54:06 +0000 |
| commit | f49b12c6e6a75a5bd109bcbbda072b24e5fb8dfd (patch) | |
| tree | 10b46c4ebc3d9673eea4c3be813a67c03f653d14 /tcg/tcg-op-gvec.h | |
| parent | 3774030a3e523689df24a7ed22854ce7a06b0116 (diff) | |
| download | qemu-f49b12c6e6a75a5bd109bcbbda072b24e5fb8dfd.zip | |
tcg: Add generic helpers for saturating arithmetic
No vector ops as yet. SSE only has direct support for 8- and 16-bit
saturation; handling 32- and 64-bit saturation is much more expensive.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg/tcg-op-gvec.h')
| -rw-r--r-- | tcg/tcg-op-gvec.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tcg/tcg-op-gvec.h b/tcg/tcg-op-gvec.h index abe909df39..03ced440c2 100644 --- a/tcg/tcg-op-gvec.h +++ b/tcg/tcg-op-gvec.h @@ -179,6 +179,16 @@ void tcg_gen_gvec_sub(unsigned vece, uint32_t dofs, uint32_t aofs, void tcg_gen_gvec_mul(unsigned vece, uint32_t dofs, uint32_t aofs, uint32_t bofs, uint32_t oprsz, uint32_t maxsz); +/* Saturated arithmetic. */ +void tcg_gen_gvec_ssadd(unsigned vece, uint32_t dofs, uint32_t aofs, + uint32_t bofs, uint32_t oprsz, uint32_t maxsz); +void tcg_gen_gvec_sssub(unsigned vece, uint32_t dofs, uint32_t aofs, + uint32_t bofs, uint32_t oprsz, uint32_t maxsz); +void tcg_gen_gvec_usadd(unsigned vece, uint32_t dofs, uint32_t aofs, + uint32_t bofs, uint32_t oprsz, uint32_t maxsz); +void tcg_gen_gvec_ussub(unsigned vece, uint32_t dofs, uint32_t aofs, + uint32_t bofs, uint32_t oprsz, uint32_t maxsz); + void tcg_gen_gvec_and(unsigned vece, uint32_t dofs, uint32_t aofs, uint32_t bofs, uint32_t oprsz, uint32_t maxsz); void tcg_gen_gvec_or(unsigned vece, uint32_t dofs, uint32_t aofs, |