target-alpha: Use the ctz and clz opcodes
Signed-off-by: Richard Henderson <rth@twiddle.net>
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8d8dd793da
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@ -4,8 +4,6 @@ DEF_HELPER_FLAGS_1(load_pcc, TCG_CALL_NO_RWG_SE, i64, env)
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DEF_HELPER_FLAGS_3(check_overflow, TCG_CALL_NO_WG, void, env, i64, i64)
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DEF_HELPER_FLAGS_1(ctpop, TCG_CALL_NO_RWG_SE, i64, i64)
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DEF_HELPER_FLAGS_1(ctlz, TCG_CALL_NO_RWG_SE, i64, i64)
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DEF_HELPER_FLAGS_1(cttz, TCG_CALL_NO_RWG_SE, i64, i64)
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DEF_HELPER_FLAGS_2(zap, TCG_CALL_NO_RWG_SE, i64, i64, i64)
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DEF_HELPER_FLAGS_2(zapnot, TCG_CALL_NO_RWG_SE, i64, i64, i64)
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@ -29,16 +29,6 @@ uint64_t helper_ctpop(uint64_t arg)
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return ctpop64(arg);
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}
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uint64_t helper_ctlz(uint64_t arg)
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{
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return clz64(arg);
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}
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uint64_t helper_cttz(uint64_t arg)
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{
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return ctz64(arg);
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}
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uint64_t helper_zapnot(uint64_t val, uint64_t mskb)
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{
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uint64_t mask;
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@ -2555,14 +2555,14 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn)
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REQUIRE_TB_FLAG(TB_FLAGS_AMASK_CIX);
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REQUIRE_REG_31(ra);
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REQUIRE_NO_LIT;
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gen_helper_ctlz(vc, vb);
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tcg_gen_clzi_i64(vc, vb, 64);
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break;
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case 0x33:
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/* CTTZ */
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REQUIRE_TB_FLAG(TB_FLAGS_AMASK_CIX);
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REQUIRE_REG_31(ra);
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REQUIRE_NO_LIT;
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gen_helper_cttz(vc, vb);
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tcg_gen_ctzi_i64(vc, vb, 64);
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break;
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case 0x34:
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/* UNPKBW */
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