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tcg: Add tcg_gen_{ld,st}_i128

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Do not require the translators to jump through concat and
extract of i64 in order to move values to and from env.

Tested-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-08-24 10:25:21 -07:00
parent d97f8f3941
commit a01d9792a7
2 changed files with 25 additions and 0 deletions
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3
include/tcg/tcg-op-common.h
View File

@ -747,6 +747,9 @@ void tcg_gen_mov_i128(TCGv_i128 dst, TCGv_i128 src);
void tcg_gen_extr_i128_i64(TCGv_i64 lo, TCGv_i64 hi, TCGv_i128 arg);
void tcg_gen_concat_i64_i128(TCGv_i128 ret, TCGv_i64 lo, TCGv_i64 hi);
void tcg_gen_ld_i128(TCGv_i128 ret, TCGv_ptr base, tcg_target_long offset);
void tcg_gen_st_i128(TCGv_i128 val, TCGv_ptr base, tcg_target_long offset);
static inline void tcg_gen_concat32_i64(TCGv_i64 ret, TCGv_i64 lo, TCGv_i64 hi)
{
tcg_gen_deposit_i64(ret, lo, hi, 32, 32);

22
tcg/tcg-op.c
View File

@ -2880,6 +2880,28 @@ void tcg_gen_mov_i128(TCGv_i128 dst, TCGv_i128 src)
}
}
void tcg_gen_ld_i128(TCGv_i128 ret, TCGv_ptr base, tcg_target_long offset)
{
if (HOST_BIG_ENDIAN) {
tcg_gen_ld_i64(TCGV128_HIGH(ret), base, offset);
tcg_gen_ld_i64(TCGV128_LOW(ret), base, offset + 8);
} else {
tcg_gen_ld_i64(TCGV128_LOW(ret), base, offset);
tcg_gen_ld_i64(TCGV128_HIGH(ret), base, offset + 8);
}
}
void tcg_gen_st_i128(TCGv_i128 val, TCGv_ptr base, tcg_target_long offset)
{
if (HOST_BIG_ENDIAN) {
tcg_gen_st_i64(TCGV128_HIGH(val), base, offset);
tcg_gen_st_i64(TCGV128_LOW(val), base, offset + 8);
} else {
tcg_gen_st_i64(TCGV128_LOW(val), base, offset);
tcg_gen_st_i64(TCGV128_HIGH(val), base, offset + 8);
}
}
/* QEMU specific operations. */
void tcg_gen_exit_tb(const TranslationBlock *tb, unsigned idx)