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Minor tweaks to integration of assembler part.

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Remove unneeded PC restore in vm_growstack_*.
Don't declare symbols that are unused in interpreter-only builds.
Don't embed lj_vm_foldfpm in interpreter-only builds.
Add 2nd temporary TValue in lua_State.
This commit is contained in:
Mike Pall 2010-08-29 20:04:40 +02:00
parent 7313a0821d
commit e1efd0d871
6 changed files with 2600 additions and 2580 deletions
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2212
src/buildvm_x64.h
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1261
src/buildvm_x64win.h
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5
src/buildvm_x86.dasc
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@ -574,11 +574,10 @@ static void build_subroutines(BuildCtx *ctx, int cmov, int sse)
| mov BASE, L:RB->base
| mov RD, L:RB->top
| mov LFUNC:RB, [BASE-8]
| mov PC, [BASE-4]
| sub RD, BASE
| shr RD, 3
| add NARGS:RD, 1
| // BASE = new base, RB = LFUNC, RD = nargs+1, PC restored.
| // BASE = new base, RB = LFUNC, RD = nargs+1
| ins_callt // Just retry the call.
|
|//-----------------------------------------------------------------------
@ -3079,6 +3078,7 @@ static void build_subroutines(BuildCtx *ctx, int cmov, int sse)
|// Callable from C: double lj_vm_foldfpm(double x, int fpm)
|// Computes fpm(x) for extended math functions. ORDER FPM.
|->vm_foldfpm:
#if LJ_HASJIT
if (sse) {
|.if X64
|
@ -3174,6 +3174,7 @@ static void build_subroutines(BuildCtx *ctx, int cmov, int sse)
|1: ; fptan; fpop; ret
}
|9: ; int3 // Bad fpm.
#endif
|
|// Callable from C: double lj_vm_foldarith(double x, double y, int op)
|// Compute x op y for basic arithmetic operators (+ - * / % ^ and unary -)

1689
src/buildvm_x86.h
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2
src/lj_obj.h
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@ -480,7 +480,7 @@ typedef struct global_State {
uint8_t vmevmask; /* VM event mask. */
GCRef mainthref; /* Link to main thread. */
TValue registrytv; /* Anchor for registry. */
TValue tmptv; /* Temporary TValue. */
TValue tmptv, tmptv2; /* Temporary TValues. */
GCupval uvhead; /* Head of double-linked list of all open upvalues. */
int32_t hookcount; /* Instruction hook countdown. */
int32_t hookcstart; /* Start count for instruction hook counter. */

11
src/lj_vm.h
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@ -25,7 +25,9 @@ LJ_ASMF void lj_vm_unwind_ff_eh(void);
LJ_ASMF int lj_vm_cpuid(uint32_t f, uint32_t res[4]);
#endif
LJ_ASMF double lj_vm_foldarith(double x, double y, int op);
#if LJ_HASJIT
LJ_ASMF double lj_vm_foldfpm(double x, int op);
#endif
/* Dispatch targets for recording and hooks. */
LJ_ASMF void lj_vm_record(void);
@ -38,6 +40,8 @@ LJ_ASMF void lj_vm_exit_handler(void);
LJ_ASMF void lj_vm_exit_interp(void);
/* Handlers callable from compiled code. */
#if LJ_HASJIT
#if LJ_TARGET_X86ORX64
LJ_ASMF void lj_vm_floor_sse(void);
LJ_ASMF void lj_vm_ceil_sse(void);
LJ_ASMF void lj_vm_trunc_sse(void);
@ -45,6 +49,13 @@ LJ_ASMF void lj_vm_exp(void);
LJ_ASMF void lj_vm_exp2(void);
LJ_ASMF void lj_vm_pow_sse(void);
LJ_ASMF void lj_vm_powi_sse(void);
#else
LJ_ASMF void lj_vm_floor(void);
LJ_ASMF void lj_vm_ceil(void);
LJ_ASMF void lj_vm_trunc(void);
LJ_ASMF void lj_vm_powi(void);
#endif
#endif
/* Continuations for metamethods. */
LJ_ASMF void lj_cont_cat(void); /* Continue with concatenation. */