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author | Richard Henderson <richard.henderson@linaro.org> | 2023-04-05 14:49:59 -0700 |
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committer | Richard Henderson <richard.henderson@linaro.org> | 2023-04-23 08:21:19 +0100 |
commit | 753e42eada5c790bb3727c262f2e368e81cc788f (patch) | |
tree | 854969ea72b1ed34b29709139bafc6a4b9cc656d /tcg/aarch64/tcg-target.c.inc | |
parent | d0e66c897f2cdfb0807b76567a17d7811487fac3 (diff) | |
download | qemu-753e42eada5c790bb3727c262f2e368e81cc788f.zip qemu-753e42eada5c790bb3727c262f2e368e81cc788f.tar.gz qemu-753e42eada5c790bb3727c262f2e368e81cc788f.tar.bz2 |
tcg: Split out tcg_out_ext16s
We will need a backend interface for performing 16-bit sign-extend.
Use it in tcg_reg_alloc_op in the meantime.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg/aarch64/tcg-target.c.inc')
-rw-r--r-- | tcg/aarch64/tcg-target.c.inc | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/tcg/aarch64/tcg-target.c.inc b/tcg/aarch64/tcg-target.c.inc index cca9136..3527c14 100644 --- a/tcg/aarch64/tcg-target.c.inc +++ b/tcg/aarch64/tcg-target.c.inc @@ -1424,6 +1424,11 @@ static void tcg_out_ext8s(TCGContext *s, TCGType type, TCGReg rd, TCGReg rn) tcg_out_sxt(s, type, MO_8, rd, rn); } +static void tcg_out_ext16s(TCGContext *s, TCGType type, TCGReg rd, TCGReg rn) +{ + tcg_out_sxt(s, type, MO_16, rd, rn); +} + static inline void tcg_out_uxt(TCGContext *s, MemOp s_bits, TCGReg rd, TCGReg rn) { @@ -2233,17 +2238,13 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, 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); + tcg_out_ext16s(s, ext, 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_ext16s_i64: - case INDEX_op_ext16s_i32: - tcg_out_sxt(s, ext, MO_16, a0, a1); - break; case INDEX_op_ext_i32_i64: case INDEX_op_ext32s_i64: tcg_out_sxt(s, TCG_TYPE_I64, MO_32, a0, a1); @@ -2316,6 +2317,8 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, case INDEX_op_ext8s_i64: case INDEX_op_ext8u_i32: case INDEX_op_ext8u_i64: + case INDEX_op_ext16s_i64: + case INDEX_op_ext16s_i32: default: g_assert_not_reached(); } |