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| author | Richard Henderson <richard.henderson@linaro.org> | 2021-06-04 14:26:45 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2021-06-13 17:42:40 -0700 |
| commit | a80cdd3183ed85bc254cbe22ca240dc035fc6548 (patch) | |
| tree | 93e6c5628e1c266ef32b3013030614d1f551ef15 /include | |
| parent | 42eb6dfcf135068aa6873e6e9f5f8afa77858914 (diff) | |
| download | qemu-a80cdd3183ed85bc254cbe22ca240dc035fc6548.zip | |
tcg: Introduce tcg_remove_ops_after
Introduce a function to remove everything emitted
since a given point.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/tcg/tcg.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/tcg/tcg.h b/include/tcg/tcg.h index e95abac9f4..1d056ed0ed 100644 --- a/include/tcg/tcg.h +++ b/include/tcg/tcg.h @@ -1071,6 +1071,16 @@ void tcg_op_remove(TCGContext *s, TCGOp *op); TCGOp *tcg_op_insert_before(TCGContext *s, TCGOp *op, TCGOpcode opc); TCGOp *tcg_op_insert_after(TCGContext *s, TCGOp *op, TCGOpcode opc); +/** + * tcg_remove_ops_after: + * @op: target operation + * + * Discard any opcodes emitted since @op. Expected usage is to save + * a starting point with tcg_last_op(), speculatively emit opcodes, + * then decide whether or not to keep those opcodes after the fact. + */ +void tcg_remove_ops_after(TCGOp *op); + void tcg_optimize(TCGContext *s); /* Allocate a new temporary and initialize it with a constant. */ |