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Allow upgrading first N types when stack is large

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John Hawthorn 2021-08-01 13:05:51 -07:00 • committed by Alan Wu
parent 5d155fc8a1
commit 641ef34dde
1 changed files with 7 additions and 6 deletions
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13
yjit_core.c
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@ -175,13 +175,14 @@ void ctx_upgrade_opnd_type(ctx_t* ctx, insn_opnd_t opnd, val_type_t type)
return; return;
} }
if (ctx->stack_size >= MAX_TEMP_TYPES) RUBY_ASSERT(opnd.idx < ctx->stack_size);
int stack_idx = ctx->stack_size - 1 - opnd.idx;
// If outside of tracked range, do nothing
if (stack_idx >= MAX_TEMP_TYPES)
return; return;
RUBY_ASSERT(opnd.idx < ctx->stack_size); temp_mapping_t mapping = ctx->temp_mapping[stack_idx];
int stack_index = ctx->stack_size - 1 - opnd.idx;
RUBY_ASSERT(stack_index < MAX_TEMP_TYPES);
temp_mapping_t mapping = ctx->temp_mapping[stack_index];
switch (mapping.kind) switch (mapping.kind)
{ {
@ -190,7 +191,7 @@ void ctx_upgrade_opnd_type(ctx_t* ctx, insn_opnd_t opnd, val_type_t type)
break; break;
case TEMP_STACK: case TEMP_STACK:
UPGRADE_TYPE(ctx->temp_types[stack_index], type); UPGRADE_TYPE(ctx->temp_types[stack_idx], type);
break; break;
case TEMP_LOCAL: case TEMP_LOCAL: