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Major redesign of function call handling.

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Drop call gates. Use function headers, dispatched like bytecodes.
Emit BC_FUNCF/BC_FUNCV bytecode at PC 0 for all Lua functions.
C functions and ASM fast functions get extra bytecodes.
Modify internal calling convention: new base in BASE (formerly in RA).
Can now use better C function wrapper semantics (dynamic on/off).
Prerequisite for call hooks with zero-overhead if disabled.
Prerequisite for compiling recursive calls.
Prerequisite for efficient 32/64 bit prototype guards.
This commit is contained in:
Mike Pall
2010-02-13 04:51:56 +01:00
parent 4f8d7be8ea
commit c93138b59e
34 changed files with 4410 additions and 4264 deletions
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6
src/lj_vm.h
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@@ -44,12 +44,6 @@ LJ_ASMF void lj_vm_exp2(void);
LJ_ASMF void lj_vm_pow_sse(void);
LJ_ASMF void lj_vm_powi_sse(void);
/* Call gates for functions. */
LJ_ASMF void lj_gate_lf(void);
LJ_ASMF void lj_gate_lv(void);
LJ_ASMF void lj_gate_c(void);
LJ_ASMF void lj_gate_cwrap(void);
/* Continuations for metamethods. */
LJ_ASMF void lj_cont_cat(void); /* Continue with concatenation. */
LJ_ASMF void lj_cont_ra(void); /* Store result in RA from instruction. */