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| author | Richard Henderson <richard.henderson@linaro.org> | 2021-08-24 08:04:47 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2021-10-27 17:11:22 -0700 |
| commit | 8774dded029c96130aacf6e6bb71b70cf271b8df (patch) | |
| tree | 67df75c120c896d5c38fa1d7170bbfff46df0fbd /tcg | |
| parent | e2577ea24f9974ab0fb2a2b255203bad0c878f91 (diff) | |
tcg/optimize: Split out copy_propagate
Continue splitting tcg_optimize.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Luis Pires <luis.pires@eldorado.org.br>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg')
| -rw-r--r-- | tcg/optimize.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/tcg/optimize.c b/tcg/optimize.c index 019c5aaf81..fad6f5de1f 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -611,6 +611,19 @@ static void init_arguments(OptContext *ctx, TCGOp *op, int nb_args) } } +static void copy_propagate(OptContext *ctx, TCGOp *op, + int nb_oargs, int nb_iargs) +{ + TCGContext *s = ctx->tcg; + + for (int i = nb_oargs; i < nb_oargs + nb_iargs; i++) { + TCGTemp *ts = arg_temp(op->args[i]); + if (ts && ts_is_copy(ts)) { + op->args[i] = temp_arg(find_better_copy(s, ts)); + } + } +} + /* Propagate constants and copies, fold constant expressions. */ void tcg_optimize(TCGContext *s) { @@ -646,14 +659,7 @@ void tcg_optimize(TCGContext *s) nb_iargs = def->nb_iargs; } init_arguments(&ctx, op, nb_oargs + nb_iargs); - - /* Do copy propagation */ - for (i = nb_oargs; i < nb_oargs + nb_iargs; i++) { - TCGTemp *ts = arg_temp(op->args[i]); - if (ts && ts_is_copy(ts)) { - op->args[i] = temp_arg(find_better_copy(s, ts)); - } - } + copy_propagate(&ctx, op, nb_oargs, nb_iargs); /* For commutative operations make constant second argument */ switch (opc) { |