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target/hppa: Replace c with uv in do_cond
Prepare for proper indication of shladd unsigned overflow. The UV indicator will be zero/not-zero instead of a single bit. Tested-by: Helge Deller <deller@gmx.de> Reviewed-by: Helge Deller <deller@gmx.de> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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@ -707,7 +707,7 @@ static bool cond_need_cb(int c)
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*/
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static DisasCond do_cond(DisasContext *ctx, unsigned cf, bool d,
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TCGv_i64 res, TCGv_i64 cb_msb, TCGv_i64 sv)
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TCGv_i64 res, TCGv_i64 uv, TCGv_i64 sv)
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{
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DisasCond cond;
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TCGv_i64 tmp;
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@ -754,14 +754,12 @@ static DisasCond do_cond(DisasContext *ctx, unsigned cf, bool d,
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}
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cond = cond_make_0_tmp(TCG_COND_EQ, tmp);
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break;
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case 4: /* NUV / UV (!C / C) */
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/* Only bit 0 of cb_msb is ever set. */
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cond = cond_make_0(TCG_COND_EQ, cb_msb);
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case 4: /* NUV / UV (!UV / UV) */
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cond = cond_make_0(TCG_COND_EQ, uv);
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break;
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case 5: /* ZNV / VNZ (!C | Z / C & !Z) */
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case 5: /* ZNV / VNZ (!UV | Z / UV & !Z) */
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tmp = tcg_temp_new_i64();
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tcg_gen_neg_i64(tmp, cb_msb);
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tcg_gen_and_i64(tmp, tmp, res);
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tcg_gen_movcond_i64(TCG_COND_EQ, tmp, uv, ctx->zero, ctx->zero, res);
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if (!d) {
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tcg_gen_ext32u_i64(tmp, tmp);
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}
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