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Exit reason breakdown for opt_aref

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This commit is contained in:
Alan Wu 2021-03-11 11:25:19 -05:00
parent c04e5188d5
commit db53decad6
3 changed files with 10 additions and 2 deletions
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1
yjit.rb
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@ -63,6 +63,7 @@ module YJIT
print_counters(counters, prefix: 'oswb_', prompt: 'opt_send_without_block exit reasons: ')
print_counters(counters, prefix: 'leave_', prompt: 'leave exit reasons: ')
print_counters(counters, prefix: 'getivar_', prompt: 'getinstancevariable exit reasons:')
print_counters(counters, prefix: 'oaref_', prompt: 'opt_aref exit reasons: ')
end
def print_counters(counters, prefix:, prompt:)

6
yjit_codegen.c
View File

@ -924,6 +924,7 @@ gen_opt_aref(jitstate_t* jit, ctx_t* ctx)
// Only JIT one arg calls like `ary[6]`
if (argc != 1) {
GEN_COUNTER_INC(cb, oaref_argc_not_one);
return YJIT_CANT_COMPILE;
}
@ -933,6 +934,7 @@ gen_opt_aref(jitstate_t* jit, ctx_t* ctx)
// (including arrays) don't use the inline cache, so if the inline cache
// has an entry, then this must be used by some other type.
if (cme) {
GEN_COUNTER_INC(cb, oaref_filled_cc);
return YJIT_CANT_COMPILE;
}
@ -962,12 +964,12 @@ gen_opt_aref(jitstate_t* jit, ctx_t* ctx)
mov(cb, REG1, mem_opnd(64, REG0, offsetof(struct RBasic, klass)));
mov(cb, REG0, const_ptr_opnd((void *)rb_cArray));
cmp(cb, REG0, REG1);
jne_ptr(cb, side_exit);
jne_ptr(cb, COUNTED_EXIT(side_exit, oaref_not_array));
// Bail if idx is not a FIXNUM
mov(cb, REG1, idx_opnd);
test(cb, REG1, imm_opnd(RUBY_FIXNUM_FLAG));
jz_ptr(cb, side_exit);
jz_ptr(cb, COUNTED_EXIT(side_exit, oaref_arg_not_fixnum));
// Save YJIT registers
yjit_save_regs(cb);

5
yjit_iface.h
View File

@ -51,6 +51,11 @@ YJIT_DECLARE_COUNTERS(
getivar_idx_out_of_range,
getivar_undef,
oaref_filled_cc,
oaref_argc_not_one,
oaref_not_array,
oaref_arg_not_fixnum,
// Member with known name for iterating over counters
last_member
)