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| author | Richard Henderson <richard.henderson@linaro.org> | 2024-03-25 17:06:03 -1000 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2024-03-27 12:15:25 -1000 |
| commit | fe2d066a9e3dc3d902ef7d3860c077563146b35b (patch) | |
| tree | e489ed5ddac5aed66170cee5b92ec6a115a8467b /target/hppa/translate.c | |
| parent | 82d0c831ceff6ae03c4ccc865999a7231972df2e (diff) | |
| download | qemu-fe2d066a9e3dc3d902ef7d3860c077563146b35b.zip qemu-fe2d066a9e3dc3d902ef7d3860c077563146b35b.tar.gz qemu-fe2d066a9e3dc3d902ef7d3860c077563146b35b.tar.bz2 | |
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>
Diffstat (limited to 'target/hppa/translate.c')
| -rw-r--r-- | target/hppa/translate.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/target/hppa/translate.c b/target/hppa/translate.c index a70d644..9d31ef5 100644 --- a/target/hppa/translate.c +++ b/target/hppa/translate.c @@ -707,7 +707,7 @@ static bool cond_need_cb(int c) */ static DisasCond do_cond(DisasContext *ctx, unsigned cf, bool d, - TCGv_i64 res, TCGv_i64 cb_msb, TCGv_i64 sv) + TCGv_i64 res, TCGv_i64 uv, TCGv_i64 sv) { DisasCond cond; TCGv_i64 tmp; @@ -754,14 +754,12 @@ static DisasCond do_cond(DisasContext *ctx, unsigned cf, bool d, } cond = cond_make_0_tmp(TCG_COND_EQ, tmp); break; - case 4: /* NUV / UV (!C / C) */ - /* Only bit 0 of cb_msb is ever set. */ - cond = cond_make_0(TCG_COND_EQ, cb_msb); + case 4: /* NUV / UV (!UV / UV) */ + cond = cond_make_0(TCG_COND_EQ, uv); break; - case 5: /* ZNV / VNZ (!C | Z / C & !Z) */ + case 5: /* ZNV / VNZ (!UV | Z / UV & !Z) */ tmp = tcg_temp_new_i64(); - tcg_gen_neg_i64(tmp, cb_msb); - tcg_gen_and_i64(tmp, tmp, res); + tcg_gen_movcond_i64(TCG_COND_EQ, tmp, uv, ctx->zero, ctx->zero, res); if (!d) { tcg_gen_ext32u_i64(tmp, tmp); } |