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authorStephen Long <steplong@quicinc.com>2021-05-24 18:03:07 -0700
committerPeter Maydell <peter.maydell@linaro.org>2021-05-25 16:01:44 +0100
commite9443d1098d108243f2a7a8b87550e9a5980b840 (patch)
tree5fb97ab68d974fdbff4da4a7131cc9bcd86deb65 /target/arm/sve_helper.c
parentc3cd676685af87d1084e5b974b4ef2ca39405c64 (diff)
target/arm: Implement SVE2 RSUBHNB, RSUBHNT
This completes the section 'SVE2 integer add/subtract narrow high part' Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Stephen Long <steplong@quicinc.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20210525010358.152808-42-richard.henderson@linaro.org Message-Id: <20200417162231.10374-5-steplong@quicinc.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/sve_helper.c')
-rw-r--r--target/arm/sve_helper.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c
index 922df9575a..891f6ff453 100644
--- a/target/arm/sve_helper.c
+++ b/target/arm/sve_helper.c
@@ -2146,6 +2146,7 @@ void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \
#define DO_ADDHN(N, M, SH) ((N + M) >> SH)
#define DO_RADDHN(N, M, SH) ((N + M + ((__typeof(N))1 << (SH - 1))) >> SH)
#define DO_SUBHN(N, M, SH) ((N - M) >> SH)
+#define DO_RSUBHN(N, M, SH) ((N - M + ((__typeof(N))1 << (SH - 1))) >> SH)
DO_BINOPNB(sve2_addhnb_h, uint16_t, uint8_t, 8, DO_ADDHN)
DO_BINOPNB(sve2_addhnb_s, uint32_t, uint16_t, 16, DO_ADDHN)
@@ -2171,6 +2172,15 @@ DO_BINOPNT(sve2_subhnt_h, uint16_t, uint8_t, 8, H1_2, H1, DO_SUBHN)
DO_BINOPNT(sve2_subhnt_s, uint32_t, uint16_t, 16, H1_4, H1_2, DO_SUBHN)
DO_BINOPNT(sve2_subhnt_d, uint64_t, uint32_t, 32, , H1_4, DO_SUBHN)
+DO_BINOPNB(sve2_rsubhnb_h, uint16_t, uint8_t, 8, DO_RSUBHN)
+DO_BINOPNB(sve2_rsubhnb_s, uint32_t, uint16_t, 16, DO_RSUBHN)
+DO_BINOPNB(sve2_rsubhnb_d, uint64_t, uint32_t, 32, DO_RSUBHN)
+
+DO_BINOPNT(sve2_rsubhnt_h, uint16_t, uint8_t, 8, H1_2, H1, DO_RSUBHN)
+DO_BINOPNT(sve2_rsubhnt_s, uint32_t, uint16_t, 16, H1_4, H1_2, DO_RSUBHN)
+DO_BINOPNT(sve2_rsubhnt_d, uint64_t, uint32_t, 32, , H1_4, DO_RSUBHN)
+
+#undef DO_RSUBHN
#undef DO_SUBHN
#undef DO_RADDHN
#undef DO_ADDHN