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Optimize table length computation with hinting.

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10x faster on loop with t[#t+1] = x idiom. Also used by table.insert.
This commit is contained in:
Mike Pall
2020-05-27 19:20:44 +02:00
parent b2307c8ad8
commit 1a4ff13117
12 changed files with 135 additions and 82 deletions
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src/lj_iropt.h
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@@ -120,7 +120,7 @@ LJ_FUNC TRef LJ_FASTCALL lj_opt_fwd_hload(jit_State *J);
LJ_FUNC TRef LJ_FASTCALL lj_opt_fwd_uload(jit_State *J);
LJ_FUNC TRef LJ_FASTCALL lj_opt_fwd_fload(jit_State *J);
LJ_FUNC TRef LJ_FASTCALL lj_opt_fwd_xload(jit_State *J);
LJ_FUNC TRef LJ_FASTCALL lj_opt_fwd_tab_len(jit_State *J);
LJ_FUNC TRef LJ_FASTCALL lj_opt_fwd_alen(jit_State *J);
LJ_FUNC TRef LJ_FASTCALL lj_opt_fwd_hrefk(jit_State *J);
LJ_FUNC int LJ_FASTCALL lj_opt_fwd_href_nokey(jit_State *J);
LJ_FUNC int LJ_FASTCALL lj_opt_fwd_tptr(jit_State *J, IRRef lim);