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tcg/optimize: Return true from fold_qemu_st, fold_tcg_st

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Stores have no output operands, and so need no further work.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2024-12-08 20:34:57 -06:00
parent 6813be9b9b
commit 082b3ef919
1 changed files with 5 additions and 6 deletions
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11
tcg/optimize.c
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@ -2143,7 +2143,7 @@ static bool fold_qemu_st(OptContext *ctx, TCGOp *op)
{ {
/* Opcodes that touch guest memory stop the mb optimization. */ /* Opcodes that touch guest memory stop the mb optimization. */
ctx->prev_mb = NULL; ctx->prev_mb = NULL;
return false; return true;
} }
static bool fold_remainder(OptContext *ctx, TCGOp *op) static bool fold_remainder(OptContext *ctx, TCGOp *op)
@ -2706,7 +2706,7 @@ static bool fold_tcg_st(OptContext *ctx, TCGOp *op)
if (op->args[1] != tcgv_ptr_arg(tcg_env)) { if (op->args[1] != tcgv_ptr_arg(tcg_env)) {
remove_mem_copy_all(ctx); remove_mem_copy_all(ctx);
return false; return true;
} }
switch (op->opc) { switch (op->opc) {
@ -2730,7 +2730,7 @@ static bool fold_tcg_st(OptContext *ctx, TCGOp *op)
g_assert_not_reached(); g_assert_not_reached();
} }
remove_mem_copy_in(ctx, ofs, ofs + lm1); remove_mem_copy_in(ctx, ofs, ofs + lm1);
return false; return true;
} }
static bool fold_tcg_st_memcopy(OptContext *ctx, TCGOp *op) static bool fold_tcg_st_memcopy(OptContext *ctx, TCGOp *op)
@ -2740,8 +2740,7 @@ static bool fold_tcg_st_memcopy(OptContext *ctx, TCGOp *op)
TCGType type; TCGType type;
if (op->args[1] != tcgv_ptr_arg(tcg_env)) { if (op->args[1] != tcgv_ptr_arg(tcg_env)) {
fold_tcg_st(ctx, op); return fold_tcg_st(ctx, op);
return false;
} }
src = arg_temp(op->args[0]); src = arg_temp(op->args[0]);
@ -2763,7 +2762,7 @@ static bool fold_tcg_st_memcopy(OptContext *ctx, TCGOp *op)
last = ofs + tcg_type_size(type) - 1; last = ofs + tcg_type_size(type) - 1;
remove_mem_copy_in(ctx, ofs, last); remove_mem_copy_in(ctx, ofs, last);
record_mem_copy(ctx, type, src, ofs, last); record_mem_copy(ctx, type, src, ofs, last);
return false; return true;
} }
static bool fold_xor(OptContext *ctx, TCGOp *op) static bool fold_xor(OptContext *ctx, TCGOp *op)