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| author | Richard Henderson <richard.henderson@linaro.org> | 2021-06-12 23:25:16 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2021-06-29 10:04:57 -0700 |
| commit | 8fcfc6bff61f1faf0a530b4fae292931a39cc32b (patch) | |
| tree | 5397b85126cd429efce69e91f133bd1459f947be /tcg/aarch64 | |
| parent | dfa24dfa096ca8186b35aa001419d978ee1e5638 (diff) | |
| download | qemu-8fcfc6bff61f1faf0a530b4fae292931a39cc32b.zip qemu-8fcfc6bff61f1faf0a530b4fae292931a39cc32b.tar.gz qemu-8fcfc6bff61f1faf0a530b4fae292931a39cc32b.tar.bz2 | |
tcg/aarch64: Support bswap flags
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg/aarch64')
| -rw-r--r-- | tcg/aarch64/tcg-target.c.inc | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tcg/aarch64/tcg-target.c.inc b/tcg/aarch64/tcg-target.c.inc index 8619e54..72aa7e0 100644 --- a/tcg/aarch64/tcg-target.c.inc +++ b/tcg/aarch64/tcg-target.c.inc @@ -2177,12 +2177,24 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, tcg_out_rev(s, TCG_TYPE_I64, MO_64, a0, a1); break; case INDEX_op_bswap32_i64: + tcg_out_rev(s, TCG_TYPE_I32, MO_32, a0, a1); + if (a2 & TCG_BSWAP_OS) { + tcg_out_sxt(s, TCG_TYPE_I64, MO_32, a0, a0); + } + break; case INDEX_op_bswap32_i32: tcg_out_rev(s, TCG_TYPE_I32, MO_32, a0, a1); break; case INDEX_op_bswap16_i64: case INDEX_op_bswap16_i32: tcg_out_rev(s, TCG_TYPE_I32, MO_16, a0, a1); + if (a2 & TCG_BSWAP_OS) { + /* Output must be sign-extended. */ + tcg_out_sxt(s, ext, MO_16, a0, a0); + } else if ((a2 & (TCG_BSWAP_IZ | TCG_BSWAP_OZ)) == TCG_BSWAP_OZ) { + /* Output must be zero-extended, but input isn't. */ + tcg_out_uxt(s, MO_16, a0, a0); + } break; case INDEX_op_ext8s_i64: |