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Don't store cfp->pc when doing iseq calls

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We set it before calling routines and when we are exiting.
This commit is contained in:
Alan Wu 2021-09-14 11:11:03 -04:00
parent 1f6641681b
commit a71590e681
1 changed files with 5 additions and 5 deletions
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10
yjit_codegen.c
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@ -3286,9 +3286,6 @@ gen_send_iseq(jitstate_t *jit, ctx_t *ctx, const struct rb_callinfo *ci, const r
return YJIT_CANT_COMPILE;
}
// The starting pc of the callee frame
const VALUE *start_pc = &iseq->body->iseq_encoded[start_pc_offset];
// Number of locals that are not parameters
const int num_locals = iseq->body->local_table_size - num_params;
@ -3405,8 +3402,11 @@ gen_send_iseq(jitstate_t *jit, ctx_t *ctx, const struct rb_callinfo *ci, const r
mov(cb, member_opnd(REG_CFP, rb_control_frame_t, self), REG0);
jit_mov_gc_ptr(jit, cb, REG0, (VALUE)iseq);
mov(cb, member_opnd(REG_CFP, rb_control_frame_t, iseq), REG0);
mov(cb, REG0, const_ptr_opnd(start_pc));
mov(cb, member_opnd(REG_CFP, rb_control_frame_t, pc), REG0);
// No need to set cfp->pc since the callee sets it whenever calling into routines
// that could look at it through jit_save_pc().
// mov(cb, REG0, const_ptr_opnd(start_pc));
// mov(cb, member_opnd(REG_CFP, rb_control_frame_t, pc), REG0);
// Stub so we can return to JITted code
blockid_t return_block = { jit->iseq, jit_next_insn_idx(jit) };