mirror of
https://github.com/LuaJIT/LuaJIT.git
synced 2025-02-07 15:14:08 +00:00
Adapt most outbound calls in interpreter to x64 calling conventions.
This commit is contained in:
Mike Pall
parent
ed8d86bf66
commit
a1d4d05f2c
@ -55,6 +55,8 @@
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|.define CARG2d, edx
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|.define CARG3d, r8d
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|.define CARG4d, r9d
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|.define FCARG1, CARG1d // Upwards compatible to x86 fastcall.
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|.define FCARG2, CARG2d
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|.else
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|.define CARG1, rsi // x64/POSIX C call arguments.
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|.define CARG2, rdi
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@ -68,6 +70,8 @@
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|.define CARG4d, ecx
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|.define CARG5d, r8d
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|.define CARG6d, r9d
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|.define FCARG1, CARG1d // Simulate x86 fastcall.
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|.define FCARG2, CARG2d
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|.endif
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|
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|// Type definitions. Some of these are only used for documentation.
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@ -154,7 +158,7 @@
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| pop rbx; pop rsi; pop rdi; pop rbp
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|.endmacro
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|
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|.define UNUSED1, aword [rsp+dword*26]
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|.define SAVE_CFRAME, aword [rsp+aword*13]
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|.define SAVE_PC, dword [rsp+dword*25]
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|.define SAVE_L, dword [rsp+dword*24]
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|.define SAVE_ERRF, dword [rsp+dword*23]
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@ -167,7 +171,7 @@
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|.define SAVE_R3, aword [rsp+aword*7]
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|.define SAVE_R2, aword [rsp+aword*6]
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|.define SAVE_R1, aword [rsp+aword*5] //<-- rsp after register saves.
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|.define SAVE_CFRAME, aword [rsp+aword*4]
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|.define ARG5, aword [rsp+aword*4]
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|.define CSAVE_4, aword [rsp+aword*3]
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|.define CSAVE_3, aword [rsp+aword*2]
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|.define CSAVE_2, aword [rsp+aword*1]
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@ -175,8 +179,9 @@
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|//----- 16 byte aligned, ^^^ 32 byte register save area, owned by callee
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|
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|// TMPQ overlaps TMP1/TMP2. NRESULTS overlaps TMP2 (and TMPQ).
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|.define TMPQ, qword [rsp]
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|.define TMPQ, qword [rsp+aword*10]
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|.define NRESULTS, TMP2
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|.define ARG5d, dword [rsp+aword*4]
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|
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|//-----------------------------------------------------------------------
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|.else // x64/POSIX stack layout
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@ -869,12 +874,20 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
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| movzx RB, PC_RB // Reload TValue *t from RB.
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| lea RB, [BASE+RB*8]
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|2:
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|.if X64
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| mov L:CARG1d, SAVE_L
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| mov L:CARG1d->base, BASE // Caveat: CARG2d/CARG3d may be BASE.
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| mov CARG2d, RB
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| mov CARG3d, RC
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| mov L:RB, L:CARG1d
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|.else
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| mov ARG2, RB
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| mov L:RB, SAVE_L
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| mov ARG3, RC
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| mov ARG1, L:RB
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| mov SAVE_PC, PC
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| mov L:RB->base, BASE
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|.endif
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| mov SAVE_PC, PC
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| call extern lj_meta_tget // (lua_State *L, TValue *o, TValue *k)
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| // TValue * (finished) or NULL (metamethod) returned in eax (RC).
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| mov BASE, L:RB->base
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@ -927,12 +940,20 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
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| movzx RB, PC_RB // Reload TValue *t from RB.
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| lea RB, [BASE+RB*8]
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|2:
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|.if X64
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| mov L:CARG1d, SAVE_L
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| mov L:CARG1d->base, BASE // Caveat: CARG2d/CARG3d may be BASE.
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| mov CARG2d, RB
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| mov CARG3d, RC
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| mov L:RB, L:CARG1d
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|.else
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| mov ARG2, RB
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| mov L:RB, SAVE_L
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| mov ARG3, RC
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| mov ARG1, L:RB
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| mov SAVE_PC, PC
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| mov L:RB->base, BASE
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|.endif
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| mov SAVE_PC, PC
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| call extern lj_meta_tset // (lua_State *L, TValue *o, TValue *k)
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| // TValue * (finished) or NULL (metamethod) returned in eax (RC).
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| mov BASE, L:RB->base
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@ -965,6 +986,19 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
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|//-- Comparison metamethods ---------------------------------------------
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|
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|->vmeta_comp:
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|.if X64
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| mov L:RB, SAVE_L
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| mov L:RB->base, BASE // Caveat: CARG2d/CARG3d == BASE.
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|.if X64WIN
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| lea CARG3d, [BASE+RD*8]
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| lea CARG2d, [BASE+RA*8]
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|.else
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| lea CARG2d, [BASE+RA*8]
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| lea CARG3d, [BASE+RD*8]
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|.endif
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| mov CARG1d, L:RB // Caveat: CARG1d/CARG4d == RA.
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| movzx CARG4d, PC_OP
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|.else
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| movzx RB, PC_OP
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| lea RD, [BASE+RD*8]
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| lea RA, [BASE+RA*8]
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@ -973,8 +1007,9 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
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| mov ARG3, RD
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| mov ARG2, RA
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| mov ARG1, L:RB
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| mov SAVE_PC, PC
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| mov L:RB->base, BASE
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|.endif
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| mov SAVE_PC, PC
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| call extern lj_meta_comp // (lua_State *L, TValue *o1, *o2, int op)
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| // 0/1 or TValue * (metamethod) returned in eax (RC).
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|3:
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@ -1001,14 +1036,30 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
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| jmp <4
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|
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|->vmeta_equal:
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| sub PC, 4
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|.if X64WIN
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| mov CARG3d, RD
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| mov CARG4d, RB
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| mov L:RB, SAVE_L
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| mov L:RB->base, BASE // Caveat: CARG2d == BASE.
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| mov CARG2d, RA
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| mov CARG1d, L:RB // Caveat: CARG1d == RA.
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|.elif X64
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| mov CARG2d, RA
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| mov CARG4d, RB // Caveat: CARG4d == RA.
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| mov L:RB, SAVE_L
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| mov L:RB->base, BASE // Caveat: CARG3d == BASE.
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| mov CARG3d, RD
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| mov CARG1d, L:RB
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|.else
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| mov ARG4, RB
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| mov L:RB, SAVE_L
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| sub PC, 4
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| mov ARG3, RD
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| mov ARG2, RA
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| mov ARG1, L:RB
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| mov SAVE_PC, PC
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| mov L:RB->base, BASE
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|.endif
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| mov SAVE_PC, PC
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| call extern lj_meta_equal // (lua_State *L, GCobj *o1, *o2, int ne)
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| // 0/1 or TValue * (metamethod) returned in eax (RC).
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| jmp <3
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@ -1036,6 +1087,24 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
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| lea RB, [BASE+RB*8]
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|2:
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| lea RA, [BASE+RA*8]
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|.if X64WIN
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| mov CARG3d, RB
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| mov CARG4d, RC
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| movzx RC, PC_OP
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| mov ARG5d, RC
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| mov L:RB, SAVE_L
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| mov L:RB->base, BASE // Caveat: CARG2d == BASE.
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| mov CARG2d, RA
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| mov CARG1d, L:RB // Caveat: CARG1d == RA.
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|.elif X64
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| movzx CARG5d, PC_OP
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| mov CARG2d, RA
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| mov CARG4d, RC // Caveat: CARG4d == RA.
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| mov L:CARG1d, SAVE_L
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| mov L:CARG1d->base, BASE // Caveat: CARG3d == BASE.
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| mov CARG3d, RB
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| mov L:RB, L:CARG1d
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|.else
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| mov ARG3, RB
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| mov L:RB, SAVE_L
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| mov ARG4, RC
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@ -1043,8 +1112,9 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
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| mov ARG2, RA
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| mov ARG5, RC
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| mov ARG1, L:RB
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| mov SAVE_PC, PC
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| mov L:RB->base, BASE
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|.endif
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| mov SAVE_PC, PC
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| call extern lj_meta_arith // (lua_State *L, TValue *ra,*rb,*rc, BCReg op)
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| // NULL (finished) or TValue * (metamethod) returned in eax (RC).
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| mov BASE, L:RB->base
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@ -1065,12 +1135,19 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
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| jmp aword LFUNC:RB->gate
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|
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|->vmeta_len:
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|.if X64
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| mov L:RB, SAVE_L
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| mov L:RB->base, BASE // Caveat: CARG2d may be BASE.
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| lea CARG2d, [BASE+RD*8]
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| mov CARG1d, L:RB
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|.else
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| lea RD, [BASE+RD*8]
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| mov L:RB, SAVE_L
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| mov ARG2, RD
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| mov ARG1, L:RB
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| mov SAVE_PC, PC
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| mov L:RB->base, BASE
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|.endif
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| mov SAVE_PC, PC
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| call extern lj_meta_len // (lua_State *L, TValue *o)
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| // TValue * (metamethod) returned in eax (RC).
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| mov BASE, L:RB->base
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@ -1083,13 +1160,21 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
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| mov TMP2, RA // Save RA, RC for us.
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| mov TMP1, NARGS:RC
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| sub RA, 8
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|.if X64
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| mov L:RB, SAVE_L
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| mov L:RB->base, BASE // Caveat: CARG2d/CARG3d may be BASE.
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| mov CARG2d, RA
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| lea CARG3d, [RA+NARGS:RC*8]
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| mov CARG1d, L:RB // Caveat: CARG1d may be RA.
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|.else
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| lea RC, [RA+NARGS:RC*8]
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| mov L:RB, SAVE_L
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| mov ARG2, RA
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| mov ARG3, RC
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| mov ARG1, L:RB
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| mov SAVE_PC, PC
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| mov L:RB->base, BASE // This is the callers base!
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|.endif
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| mov SAVE_PC, PC
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| call extern lj_meta_call // (lua_State *L, TValue *func, TValue *top)
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| mov BASE, L:RB->base
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| mov RA, TMP2
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@ -1104,11 +1189,18 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
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|//-- Argument coercion for 'for' statement ------------------------------
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|
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|->vmeta_for:
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|.if X64
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| mov L:RB, SAVE_L
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| mov L:RB->base, BASE // Caveat: CARG2d may be BASE.
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| mov CARG2d, RA
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| mov CARG1d, L:RB // Caveat: CARG1d may be RA.
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|.else
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| mov L:RB, SAVE_L
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| mov ARG2, RA
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| mov ARG1, L:RB
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| mov SAVE_PC, PC
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| mov L:RB->base, BASE
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|.endif
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| mov SAVE_PC, PC
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| call extern lj_meta_for // (lua_State *L, TValue *base)
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| mov BASE, L:RB->base
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| mov RC, [PC-4]
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@ -1184,7 +1276,7 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
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| mov [RA-8], RB
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| sub RD, 2
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| jz >2
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| mov ARG1, RA
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| mov TMP1, RA
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|1:
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| add RA, 8
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| mov RB, [RA+4]
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@ -1193,7 +1285,7 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
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| mov [RA-8], RB
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| sub RD, 1
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| jnz <1
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| mov RA, ARG1
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| mov RA, TMP1
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|2:
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| mov RD, NRESULTS
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| jmp ->fff_res_
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@ -1230,7 +1322,7 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
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| mov STR:RC, [DISPATCH+DISPATCH_GL(mmname)+4*MM_metatable]
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| mov dword [RA-4], LJ_TTAB // Store metatable as default result.
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| mov [RA-8], TAB:RB
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| mov ARG1, RA // Save result pointer.
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| mov TMP1, RA // Save result pointer.
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| mov RA, TAB:RB->hmask
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| and RA, STR:RC->hash
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| imul RA, #NODE
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@ -1249,7 +1341,7 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
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| mov RB, [RA+4]
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| cmp RB, LJ_TNIL; je ->fff_res1 // Dito for nil value.
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| mov RC, [RA]
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| mov RA, ARG1 // Restore result pointer.
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| mov RA, TMP1 // Restore result pointer.
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| mov [RA-4], RB // Return value of mt.__metatable.
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| mov [RA-8], RC
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| jmp ->fff_res1
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@ -1282,6 +1374,13 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
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|
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|.ffunc_2 rawget
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| cmp dword [RA+4], LJ_TTAB; jne ->fff_fallback
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|.if X64
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| mov TMP1, BASE // Save BASE and RA.
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| mov RB, RA
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| mov CARG2d, [RA]
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| lea CARG3d, [RA+8]
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| mov CARG1d, SAVE_L // Caveat: CARG1d may be RA.
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|.else
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| mov TAB:RC, [RA]
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| mov L:RB, SAVE_L
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| mov ARG2, TAB:RC
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@ -1290,6 +1389,7 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
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| mov TMP1, BASE // Save BASE and RA.
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| add RA, 8
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| mov ARG3, RA
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|.endif
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| call extern lj_tab_get // (lua_State *L, GCtab *t, cTValue *key)
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| // cTValue * returned in eax (RC).
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| mov RA, RB
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@ -1327,13 +1427,13 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
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| mov L:RB->base, RA // Add frame since C call can throw.
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| mov [RA-4], PC
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| mov SAVE_PC, PC // Redundant (but a defined value).
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| mov ARG3, BASE // Save BASE.
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| mov TMP1, BASE // Save BASE.
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| mov FCARG2, RA // Caveat: FCARG2 == BASE
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| mov L:FCARG1, L:RB // Caveat: FCARG1 == RA
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| call extern lj_str_fromnum@8 // (lua_State *L, lua_Number *np)
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| // GCstr returned in eax (RC).
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| mov RA, L:RB->base
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| mov BASE, ARG3
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| mov BASE, TMP1
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| jmp <2
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|
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|//-- Base library: iterators -------------------------------------------
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@ -1342,16 +1442,26 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
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| je >2 // Missing 2nd arg?
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|1:
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| cmp dword [RA+4], LJ_TTAB; jne ->fff_fallback
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|.if X64
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| mov CARG2d, [RA]
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| mov L:RB, SAVE_L
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| mov L:RB->base, RA // Add frame since C call can throw.
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| mov [RA-4], PC
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| mov TMP1, BASE // Save BASE.
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| lea CARG3d, [RA+8]
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| mov CARG1d, L:RB // Caveat: CARG1d may be RA.
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|.else
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| mov TAB:RB, [RA]
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| mov ARG2, TAB:RB
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| mov L:RB, SAVE_L
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| mov ARG1, L:RB
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| mov L:RB->base, RA // Add frame since C call can throw.
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| mov [RA-4], PC
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| mov SAVE_PC, PC // Redundant (but a defined value).
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| mov TMP1, BASE // Save BASE.
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| add RA, 8
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| mov ARG3, RA
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|.endif
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| mov SAVE_PC, PC // Redundant (but a defined value).
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| call extern lj_tab_next // (lua_State *L, GCtab *t, TValue *key)
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| // Flag returned in eax (RC).
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| mov RA, L:RB->base
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@ -1390,7 +1500,7 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
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| fld qword [RA+8]
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| fld1
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| faddp st1
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| fist ARG2
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| fist ARG2 // Caveat: used in getinth call, too.
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| fstp qword [RA-8]
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| mov TAB:RB, [RA]
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| mov RC, ARG2
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@ -1406,13 +1516,17 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
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| jmp ->fff_res2
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|2: // Check for empty hash part first. Otherwise call C function.
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| cmp dword TAB:RB->hmask, 0; je ->fff_res0
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|.if X64
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| mov CARG1d, TAB:RB
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|.else
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| mov ARG1, TAB:RB
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| mov ARG3, BASE // Save BASE and RA.
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|.endif
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| mov TMP1, BASE // Save BASE and RA.
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| mov RB, RA
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| call extern lj_tab_getinth // (GCtab *t, int32_t key)
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| // cTValue * or NULL returned in eax (RC).
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| mov RA, RB
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| mov BASE, ARG3
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| mov BASE, TMP1
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| test RC, RC
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| jnz <1
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|->fff_res0:
|
||||
@ -1481,14 +1595,22 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
|
||||
|.endif
|
||||
| mov [RA-4], PC
|
||||
| mov SAVE_PC, PC
|
||||
|.if X64
|
||||
| mov TMP1, L:RB
|
||||
|.else
|
||||
| mov ARG1, L:RB
|
||||
|.endif
|
||||
|.if resume
|
||||
| cmp dword [RA+4], LJ_TTHREAD; jne <9
|
||||
|.endif
|
||||
| cmp aword L:RB->cframe, 0; jne <9
|
||||
| cmp byte L:RB->status, LUA_YIELD; ja <9
|
||||
| mov PC, L:RB->top
|
||||
|.if X64
|
||||
| mov TMP2, PC
|
||||
|.else
|
||||
| mov ARG2, PC
|
||||
|.endif
|
||||
| je >1 // Status != LUA_YIELD (i.e. 0)?
|
||||
| cmp PC, L:RB->base; je <9 // Check for presence of initial func.
|
||||
|1:
|
||||
@ -1506,7 +1628,11 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
|
||||
| add RA, 8 // Keep resumed thread in stack for GC.
|
||||
|.endif
|
||||
| mov L:RB->top, RA
|
||||
|.if X64
|
||||
| mov RB, TMP2
|
||||
|.else
|
||||
| mov RB, ARG2
|
||||
|.endif
|
||||
|.if resume
|
||||
| lea RA, [RA+NARGS:RC*8-24] // RA = end of source for stack move.
|
||||
|.else
|
||||
@ -1525,14 +1651,23 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
|
||||
| cmp PC, RB
|
||||
| jne <2
|
||||
|3:
|
||||
|.if X64
|
||||
| mov CARG1d, TMP1
|
||||
| mov CARG2d, TMP2
|
||||
|.else
|
||||
| xor RA, RA
|
||||
| mov ARG4, RA
|
||||
| mov ARG3, RA
|
||||
|.endif
|
||||
| call ->vm_resume // (lua_State *L, TValue *base, 0, 0)
|
||||
| set_vmstate INTERP
|
||||
|
|
||||
| mov L:RB, SAVE_L
|
||||
|.if X64
|
||||
| mov L:PC, TMP1
|
||||
|.else
|
||||
| mov L:PC, ARG1 // The callee doesn't modify SAVE_L.
|
||||
|.endif
|
||||
| mov BASE, L:RB->base
|
||||
| cmp eax, LUA_YIELD
|
||||
| ja >8
|
||||
@ -1590,8 +1725,13 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
|
||||
| mov RD, 1+2 // nresults+1 = 1 + false + error.
|
||||
| jmp <7
|
||||
|.else
|
||||
|.if X64
|
||||
| mov CARG2d, L:PC
|
||||
| mov CARG1d, L:RB
|
||||
|.else
|
||||
| mov ARG2, L:PC
|
||||
| mov ARG1, L:RB
|
||||
|.endif
|
||||
| call extern lj_ffh_coroutine_wrap_err // (lua_State *L, lua_State *co)
|
||||
| // Error function does not return.
|
||||
|.endif
|
||||
@ -1599,8 +1739,13 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
|
||||
|9: // Handle stack expansion on return from yield.
|
||||
| mov L:RA, ARG1 // The callee doesn't modify SAVE_L.
|
||||
| mov L:RA->top, KBASE // Undo coroutine stack clearing.
|
||||
|.if X64
|
||||
| mov CARG2d, PC
|
||||
| mov CARG1d, L:RB
|
||||
|.else
|
||||
| mov ARG2, PC
|
||||
| mov ARG1, L:RB
|
||||
|.endif
|
||||
| call extern lj_state_growstack // (lua_State *L, int n)
|
||||
| mov BASE, L:RB->base
|
||||
| jmp <4 // Retry the stack move.
|
||||
@ -1617,8 +1762,8 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
|
||||
| mov L:RB->base, RA
|
||||
| lea RC, [RA+NARGS:RC*8-8]
|
||||
| mov L:RB->top, RC
|
||||
| xor eax, eax
|
||||
| mov aword L:RB->cframe, eax
|
||||
| xor RD, RD
|
||||
| mov aword L:RB->cframe, RDa
|
||||
| mov al, LUA_YIELD
|
||||
| mov byte L:RB->status, al
|
||||
| jmp ->vm_leave_unw
|
||||
@ -1706,7 +1851,7 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
|
||||
| cmp RB, 0x00200000; jb >4
|
||||
|1:
|
||||
| shr RB, 21; sub RB, RC // Extract and unbias exponent.
|
||||
| mov ARG1, RB; fild ARG1
|
||||
| mov TMP1, RB; fild TMP1
|
||||
| mov RB, [RA-4]
|
||||
| and RB, 0x800fffff // Mask off exponent.
|
||||
| or RB, 0x3fe00000 // Put mantissa in range [0.5,1) or 0.
|
||||
@ -1719,7 +1864,7 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
|
||||
| fldz; jmp <2
|
||||
|4: // Handle denormals by multiplying with 2^54 and adjusting the bias.
|
||||
| fld qword [RA]
|
||||
| mov ARG1, 0x5a800000; fmul ARG1 // x = x*2^54
|
||||
| mov TMP1, 0x5a800000; fmul TMP1 // x = x*2^54
|
||||
| fstp qword [RA-8]
|
||||
| mov RB, [RA-4]; mov RC, 1076; shl RB, 1; jmp <1
|
||||
|
|
||||
@ -1786,8 +1931,8 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
|
||||
| cmp dword STR:RB->len, 1
|
||||
| jb ->fff_res0 // Return no results for empty string.
|
||||
| movzx RB, byte STR:RB[1]
|
||||
| mov ARG1, RB
|
||||
| fild ARG1
|
||||
| mov TMP1, RB
|
||||
| fild TMP1
|
||||
| jmp ->fff_resn
|
||||
|
|
||||
|.ffunc string_char // Only handle the 1-arg case here.
|
||||
@ -1956,14 +2101,14 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
|
||||
|
|
||||
|.ffunc_1 table_getn
|
||||
| cmp dword [RA+4], LJ_TTAB; jne ->fff_fallback
|
||||
| mov ARG2, BASE // Save RA and BASE.
|
||||
| mov TMP1, BASE // Save RA and BASE.
|
||||
| mov RB, RA
|
||||
| mov TAB:FCARG1, [RA] // Caveat: FCARG1 == RA
|
||||
| call extern lj_tab_len@4 // LJ_FASTCALL (GCtab *t)
|
||||
| // Length of table returned in eax (RC).
|
||||
| mov ARG1, RC
|
||||
| mov RA, RB // Restore RA and BASE.
|
||||
| mov BASE, ARG2
|
||||
| mov BASE, TMP1
|
||||
| fild ARG1
|
||||
| jmp ->fff_resn
|
||||
|
|
||||
@ -2106,7 +2251,11 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
|
||||
| mov SAVE_PC, PC // Redundant (but a defined value).
|
||||
| mov L:RB->base, RA
|
||||
| lea RC, [RA+NARGS:RC*8-8]
|
||||
|.if X64
|
||||
| mov CARG1d, L:RB
|
||||
|.else
|
||||
| mov ARG1, L:RB
|
||||
|.endif
|
||||
| mov L:RB->top, RC
|
||||
| call extern lj_gc_step // (lua_State *L)
|
||||
| mov RA, L:RB->base
|
||||
@ -2152,12 +2301,20 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
|
||||
| test RDL, LUA_MASKLINE
|
||||
| jz >5
|
||||
|1:
|
||||
|.if X64
|
||||
| mov L:RB, SAVE_L
|
||||
| mov L:RB->base, BASE // Caveat: CARG2d/CARG3d may be BASE.
|
||||
| mov CARG3d, NRESULTS // Dynamic top for *M instructions.
|
||||
| mov CARG2d, PC
|
||||
| mov CARG1d, L:RB
|
||||
|.else
|
||||
| mov L:RB, SAVE_L
|
||||
| mov RD, NRESULTS // Dynamic top for *M instructions.
|
||||
| mov ARG3, RD
|
||||
| mov L:RB->base, BASE
|
||||
| mov ARG2, PC
|
||||
| mov ARG1, L:RB
|
||||
|.endif
|
||||
| // SAVE_PC must hold the _previous_ PC. The callee updates it with PC.
|
||||
| call extern lj_dispatch_ins // (lua_State *L, BCIns *pc, int nres)
|
||||
|4:
|
||||
@ -2171,12 +2328,17 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
|
||||
|->vm_hotloop: // Hot loop counter underflow.
|
||||
#if LJ_HASJIT
|
||||
| mov L:RB, SAVE_L
|
||||
| mov L:RB->base, BASE
|
||||
|.if X64
|
||||
| mov CARG2d, PC
|
||||
| lea CARG1d, [DISPATCH+GG_DISP2J]
|
||||
|.else
|
||||
| lea RA, [DISPATCH+GG_DISP2J]
|
||||
| mov ARG2, PC
|
||||
| mov ARG1, RA
|
||||
|.endif
|
||||
| mov [DISPATCH+DISPATCH_J(L)], L:RB
|
||||
| mov SAVE_PC, PC
|
||||
| mov L:RB->base, BASE
|
||||
| call extern lj_trace_hot // (jit_State *J, const BCIns *pc)
|
||||
| jmp <4
|
||||
#endif
|
||||
@ -2184,12 +2346,17 @@ static void build_subroutines(BuildCtx *ctx, int cmov)
|
||||
|->vm_hotcall: // Hot call counter underflow.
|
||||
#if LJ_HASJIT
|
||||
| mov L:RB, SAVE_L
|
||||
| mov L:RB->base, BASE
|
||||
|.if X64
|
||||
| mov CARG2d, PC
|
||||
| lea CARG1d, [DISPATCH+GG_DISP2J]
|
||||
|.else
|
||||
| lea RA, [DISPATCH+GG_DISP2J]
|
||||
| mov ARG2, PC
|
||||
| mov ARG1, RA
|
||||
|.endif
|
||||
| mov [DISPATCH+DISPATCH_J(L)], L:RB
|
||||
| mov SAVE_PC, PC
|
||||
| mov L:RB->base, BASE
|
||||
| call extern lj_trace_hot // (jit_State *J, const BCIns *pc)
|
||||
| mov BASE, L:RB->base
|
||||
| // Dispatch the first instruction and optionally record it.
|
||||
@ -2900,7 +3067,12 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop, int cmov)
|
||||
| test byte GCOBJ:RA->gch.marked, LJ_GC_WHITES // iswhite(v)
|
||||
| jz <1
|
||||
| // Crossed a write barrier. Move the barrier forward.
|
||||
|.if X64 and not X64WIN
|
||||
| mov FCARG2, RB
|
||||
| mov RB, BASE // Save BASE.
|
||||
|.else
|
||||
| xchg FCARG2, RB // Save BASE (FCARG2 == BASE).
|
||||
|.endif
|
||||
| lea GL:FCARG1, [DISPATCH+GG_DISP2G]
|
||||
| call extern lj_gc_barrieruv@8 // (global_State *g, TValue *tv)
|
||||
| mov BASE, RB // Restore BASE.
|
||||
|
||||
1539
src/buildvm_x86.h
1539
src/buildvm_x86.h
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue
Block a user