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| author | Ni Hui | 2022-05-03 15:07:08 +0200 |
|---|---|---|
| committer | Philippe Mathieu-Daudé | 2022-06-11 11:34:12 +0200 |
| commit | ead0bf0d3349522e9e496a2d3bfe344fafc584dc (patch) | |
| tree | 77caafce03c9a320c657ff3720e3b60c50d855e2 /target | |
| parent | target/mips: Fix msa checking condition in trans_msa_elm_fn() (diff) | |
| download | qemu-ead0bf0d3349522e9e496a2d3bfe344fafc584dc.tar.gz qemu-ead0bf0d3349522e9e496a2d3bfe344fafc584dc.tar.xz qemu-ead0bf0d3349522e9e496a2d3bfe344fafc584dc.zip | |
target/mips: Do not treat msa INSERT as NOP when wd is zero
Only for msa COPY_U/COPY_S with wd zero, we treat it as NOP.
Move this special rule into COPY_U and COPY_S trans function.
Fixes: 97fe675519 ("target/mips: Convert MSA COPY_S and INSERT opcodes to decodetree")
Signed-off-by: Ni Hui <shuizhuyuanluo@126.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220503130708.272850-4-shuizhuyuanluo@126.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Diffstat (limited to 'target')
| -rw-r--r-- | target/mips/tcg/msa_translate.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/target/mips/tcg/msa_translate.c b/target/mips/tcg/msa_translate.c index 92ccc6f921..0b3dd0957c 100644 --- a/target/mips/tcg/msa_translate.c +++ b/target/mips/tcg/msa_translate.c @@ -603,11 +603,6 @@ static bool trans_msa_elm_fn(DisasContext *ctx, arg_msa_elm_df *a, return true; } - if (a->wd == 0) { - /* Treat as NOP. */ - return true; - } - gen_msa_elm[a->df](cpu_env, tcg_constant_i32(a->wd), tcg_constant_i32(a->ws), @@ -624,6 +619,11 @@ static bool trans_msa_elm_fn(DisasContext *ctx, arg_msa_elm_df *a, static bool trans_COPY_U(DisasContext *ctx, arg_msa_elm_df *a) { + if (a->wd == 0) { + /* Treat as NOP. */ + return true; + } + static gen_helper_piii * const gen_msa_copy_u[4] = { gen_helper_msa_copy_u_b, gen_helper_msa_copy_u_h, NULL_IF_MIPS32(gen_helper_msa_copy_u_w), NULL @@ -634,6 +634,11 @@ static bool trans_COPY_U(DisasContext *ctx, arg_msa_elm_df *a) static bool trans_COPY_S(DisasContext *ctx, arg_msa_elm_df *a) { + if (a->wd == 0) { + /* Treat as NOP. */ + return true; + } + static gen_helper_piii * const gen_msa_copy_s[4] = { gen_helper_msa_copy_s_b, gen_helper_msa_copy_s_h, gen_helper_msa_copy_s_w, NULL_IF_MIPS32(gen_helper_msa_copy_s_d) |