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tcg: Merge INDEX_op_extract_{i32,i64}

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Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2025-01-11 09:01:46 -08:00
parent 5a4d034f3c
commit 07d5d502f2
7 changed files with 20 additions and 37 deletions
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6
docs/devel/tcg-ops.rst
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@ -456,7 +456,7 @@ Misc
|
| *dest* = (*t1* & ~0x0f00) | ((*t2* << 8) & 0x0f00)
* - extract_i32/i64 *dest*, *t1*, *pos*, *len*
* - extract *dest*, *t1*, *pos*, *len*
sextract_i32/i64 *dest*, *t1*, *pos*, *len*
@ -467,12 +467,12 @@ Misc
to the left with zeros; for sextract_*, the result will be extended
to the left with copies of the bitfield sign bit at *pos* + *len* - 1.
|
| For example, "sextract_i32 dest, t1, 8, 4" indicates a 4-bit field
| For example, "sextract dest, t1, 8, 4" indicates a 4-bit field
at bit 8. This operation would be equivalent to
|
| *dest* = (*t1* << 20) >> 28
|
| (using an arithmetic right shift).
| (using an arithmetic right shift) on TCG_TYPE_I32.
* - extract2_i32/i64 *dest*, *t1*, *t2*, *pos*