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tcg: Introduce negsetcond opcodes

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Introduce a new opcode for negative setcond.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-08-04 23:24:04 +00:00
parent 13d885b0ad
commit 3635502dd0
18 changed files with 117 additions and 1 deletions
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6
docs/devel/tcg-ops.rst
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@ -498,6 +498,12 @@ Conditional moves
|
| Set *dest* to 1 if (*t1* *cond* *t2*) is true, otherwise set to 0.
* - negsetcond_i32/i64 *dest*, *t1*, *t2*, *cond*
- | *dest* = -(*t1* *cond* *t2*)
|
| Set *dest* to -1 if (*t1* *cond* *t2*) is true, otherwise set to 0.
* - movcond_i32/i64 *dest*, *c1*, *c2*, *v1*, *v2*, *cond*
- | *dest* = (*c1* *cond* *c2* ? *v1* : *v2*)