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| author | Richard Henderson | 2021-06-13 23:58:05 +0200 |
|---|---|---|
| committer | Richard Henderson | 2021-06-29 19:04:57 +0200 |
| commit | 2b836c2ac1d040bbe2e47fd000924083fbcef414 (patch) | |
| tree | 387faf2a4141c823273fb2136db536f15554d9d1 /target/arm | |
| parent | tcg: Handle new bswap flags during optimize (diff) | |
| download | qemu-2b836c2ac1d040bbe2e47fd000924083fbcef414.tar.gz qemu-2b836c2ac1d040bbe2e47fd000924083fbcef414.tar.xz qemu-2b836c2ac1d040bbe2e47fd000924083fbcef414.zip | |
tcg: Add flags argument to tcg_gen_bswap16_*, tcg_gen_bswap32_i64
Implement the new semantics in the fallback expansion.
Change all callers to supply the flags that keep the
semantics unchanged locally.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/arm')
| -rw-r--r-- | target/arm/translate-a64.c | 12 | ||||
| -rw-r--r-- | target/arm/translate.c | 2 |
2 files changed, 8 insertions, 6 deletions
diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index 7f74d0e81a..f2641a37ba 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -5437,15 +5437,15 @@ static void handle_rev32(DisasContext *s, unsigned int sf, /* bswap32_i64 requires zero high word */ tcg_gen_ext32u_i64(tcg_tmp, tcg_rn); - tcg_gen_bswap32_i64(tcg_rd, tcg_tmp); + tcg_gen_bswap32_i64(tcg_rd, tcg_tmp, TCG_BSWAP_IZ | TCG_BSWAP_OZ); tcg_gen_shri_i64(tcg_tmp, tcg_rn, 32); - tcg_gen_bswap32_i64(tcg_tmp, tcg_tmp); + tcg_gen_bswap32_i64(tcg_tmp, tcg_tmp, TCG_BSWAP_IZ | TCG_BSWAP_OZ); tcg_gen_concat32_i64(tcg_rd, tcg_rd, tcg_tmp); tcg_temp_free_i64(tcg_tmp); } else { tcg_gen_ext32u_i64(tcg_rd, cpu_reg(s, rn)); - tcg_gen_bswap32_i64(tcg_rd, tcg_rd); + tcg_gen_bswap32_i64(tcg_rd, tcg_rd, TCG_BSWAP_IZ | TCG_BSWAP_OZ); } } @@ -12453,10 +12453,12 @@ static void handle_rev(DisasContext *s, int opcode, bool u, read_vec_element(s, tcg_tmp, rn, i, grp_size); switch (grp_size) { case MO_16: - tcg_gen_bswap16_i64(tcg_tmp, tcg_tmp); + tcg_gen_bswap16_i64(tcg_tmp, tcg_tmp, + TCG_BSWAP_IZ | TCG_BSWAP_OZ); break; case MO_32: - tcg_gen_bswap32_i64(tcg_tmp, tcg_tmp); + tcg_gen_bswap32_i64(tcg_tmp, tcg_tmp, + TCG_BSWAP_IZ | TCG_BSWAP_OZ); break; case MO_64: tcg_gen_bswap64_i64(tcg_tmp, tcg_tmp); diff --git a/target/arm/translate.c b/target/arm/translate.c index 9e2cca7707..669b0be578 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -355,7 +355,7 @@ void gen_rev16(TCGv_i32 dest, TCGv_i32 var) static void gen_revsh(TCGv_i32 dest, TCGv_i32 var) { tcg_gen_ext16u_i32(var, var); - tcg_gen_bswap16_i32(var, var); + tcg_gen_bswap16_i32(var, var, TCG_BSWAP_IZ | TCG_BSWAP_OZ); tcg_gen_ext16s_i32(dest, var); } |