target/arm: Use expand_pred_N for helper_sve_not_zpz_N
These is a bitwise operation; with expand_pred_N, we can always operate on uint64_t. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20260618040718.572950-9-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Richard Henderson committed
Jun 17, 2026 at 21:07 UTC
e1288ec8d5c5d6e95a1eebcd52dd02eff44586a2
1 file changed
+38
-5
target/arm/tcg/sve_helper.c
+38
-5
@@ -917,12 +917,45 @@ DO_ZPZ(sve_ah_fneg_h, uint16_t, H1_2, DO_AH_FNEG_H)
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DO_ZPZ(sve_ah_fneg_s, uint32_t, H1_4, DO_AH_FNEG_S)
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DO_ZPZ_D(sve_ah_fneg_d, uint64_t, DO_AH_FNEG_D)
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-#define DO_NOT(N) (~N)
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+static inline void
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+sve_not_zpz(uint64_t *d, uint64_t *n, uint8_t *pg, uint32_t desc,
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+ uint64_t (*expand)(uint8_t))
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+{
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+ intptr_t opr_sz = simd_oprsz(desc) / 8;
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+ bool zeroing = simd_data(desc) & 1;
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+
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+ if (zeroing) {
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+ for (intptr_t i = 0; i < opr_sz; ++i) {
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+ uint64_t p = expand(pg[H1(i)]);
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+ d[i] = ~n[i] & p;
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+ }
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+ } else {
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+ for (intptr_t i = 0; i < opr_sz; ++i) {
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+ uint64_t p = expand(pg[H1(i)]);
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+ d[i] = (~n[i] & p) | (d[i] & ~p);
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+ }
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+ }
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+}
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+
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+void HELPER(sve_not_zpz_b)(void *vd, void *vn, void *pg, uint32_t desc)
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+{
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+ sve_not_zpz(vd, vn, pg, desc, expand_pred_b);
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+}
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+
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+void HELPER(sve_not_zpz_h)(void *vd, void *vn, void *pg, uint32_t desc)
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+{
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+ sve_not_zpz(vd, vn, pg, desc, expand_pred_h);
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+}
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-DO_ZPZ(sve_not_zpz_b, uint8_t, H1, DO_NOT)
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-DO_ZPZ(sve_not_zpz_h, uint16_t, H1_2, DO_NOT)
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-DO_ZPZ(sve_not_zpz_s, uint32_t, H1_4, DO_NOT)
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-DO_ZPZ_D(sve_not_zpz_d, uint64_t, DO_NOT)
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+void HELPER(sve_not_zpz_s)(void *vd, void *vn, void *pg, uint32_t desc)
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+{
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+ sve_not_zpz(vd, vn, pg, desc, expand_pred_s);
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+}
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+
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+void HELPER(sve_not_zpz_d)(void *vd, void *vn, void *pg, uint32_t desc)
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+{
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+ sve_not_zpz(vd, vn, pg, desc, expand_pred_d);
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+}
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#define DO_SXTB(N) ((int8_t)N)
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#define DO_SXTH(N) ((int16_t)N)