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Hexagon (target/hexagon) add A6_vminub_RdP

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Rdd32,Pe4 = vminub(Rtt32, Rss32)
    Vector min of bytes

Test cases in tests/tcg/hexagon/multi_result.c

Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-21-git-send-email-tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Taylor Simpson 2021-04-08 20:07:48 -05:00 • committed by Richard Henderson
parent da74cd2dce
commit 0a65d28693
5 changed files with 94 additions and 0 deletions
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27
target/hexagon/gen_tcg.h
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@ -237,6 +237,33 @@
tcg_temp_free_i64(tmp); \
} while (0)
/*
* Compare each of the 8 unsigned bytes
* The minimum is placed in each byte of the destination.
* Each bit of the predicate is set true if the bit from the first operand
* is greater than the bit from the second operand.
* r5:4,p1 = vminub(r1:0, r3:2)
*/
#define fGEN_TCG_A6_vminub_RdP(SHORTCODE) \
do { \
TCGv left = tcg_temp_new(); \
TCGv right = tcg_temp_new(); \
TCGv tmp = tcg_temp_new(); \
tcg_gen_movi_tl(PeV, 0); \
tcg_gen_movi_i64(RddV, 0); \
for (int i = 0; i < 8; i++) { \
gen_get_byte_i64(left, i, RttV, false); \
gen_get_byte_i64(right, i, RssV, false); \
tcg_gen_setcond_tl(TCG_COND_GT, tmp, left, right); \
tcg_gen_deposit_tl(PeV, PeV, tmp, i, 1); \
tcg_gen_umin_tl(tmp, left, right); \
gen_set_byte_i64(i, RddV, tmp); \
} \
tcg_temp_free(left); \
tcg_temp_free(right); \
tcg_temp_free(tmp); \
} while (0)
/* Floating point */
#define fGEN_TCG_F2_conv_sf2df(SHORTCODE) \
gen_helper_conv_sf2df(RddV, cpu_env, RsV)