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Replace lay with la where possible.

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This commit is contained in:
Michael Munday 2017-01-11 16:55:50 -05:00
parent a3bb1cee5d
commit 9e9a1cf0a5
1 changed files with 15 additions and 14 deletions
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29
src/vm_s390x.dasc
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@ -22,6 +22,7 @@
|// clfi (compare logical immediate) [requires z9-109]
|// ldgr (load FPR from GPR) [requires z9-109 GA3]
|// lgdr (load GPR from FPR) [requires z9-109 GA3]
|// lay (load address)  [requires z900 GA2]
|// ldy (load (long bfp)) [requires z900 GA2]
|// stdy (store (long bfp)) [requires z900 GA2]
|// TODO: alternative instructions?
@ -390,7 +391,7 @@ static void build_subroutines(BuildCtx *ctx)
| je <5 // But check for LUA_MULTRET+1.
| sgr RA, RD // Negative result!
| sllg TMPR1, RA, 3
| lay BASE, 0(TMPR1, BASE) // Correct top.
| la BASE, 0(TMPR1, BASE) // Correct top.
| j <5
|
|8: // Corner case: need to grow stack for filling up results.
@ -430,7 +431,7 @@ static void build_subroutines(BuildCtx *ctx)
| lghi RD, 1+1 // Really 1+2 results, incr. later.
| lg BASE, L:RB->base
| lg DISPATCH, L:RB->glref // Setup pointer to dispatch table.
| lay DISPATCH, GG_G2DISP(DISPATCH)
| la DISPATCH, GG_G2DISP(DISPATCH)
| lg PC, -8(BASE) // Fetch PC of previous frame.
| load_false RA
| lg RB, 0(BASE)
@ -489,7 +490,7 @@ static void build_subroutines(BuildCtx *ctx)
| lgr RA, CARG2
| lghi PC, FRAME_CP
| lghi RD, 0
| lay KBASE, CFRAME_RESUME(sp)
| la KBASE, CFRAME_RESUME(sp)
| lg DISPATCH, L:RB->glref // Setup pointer to dispatch table.
| aghi DISPATCH, GG_G2DISP
| stg RD, SAVE_PC // Any value outside of bytecode is ok.
@ -701,7 +702,7 @@ static void build_subroutines(BuildCtx *ctx)
| // BASE = base, L->top = new base, stack = cont/func/t/k
| lg RA, L:RB->top
| stg PC, -24(RA) // [cont|PC]
| lay PC, FRAME_CONT(RA)
| la PC, FRAME_CONT(RA)
| sgr PC, BASE
| lg LFUNC:RB, -16(RA) // Guaranteed to be a function here.
| lghi NARGS:RD, 2+1 // 2 args for func(t, k).
@ -892,8 +893,8 @@ static void build_subroutines(BuildCtx *ctx)
|->vmeta_arith_vn:
| sllg RB, RB, 3
| sllg RC, RC, 3
| lay RB, 0(RB, BASE)
| lay RC, 0(RC, KBASE)
| la RB, 0(RB, BASE)
| la RC, 0(RC, KBASE)
| j >1
|
|->vmeta_arith_nvo:
@ -902,8 +903,8 @@ static void build_subroutines(BuildCtx *ctx)
|->vmeta_arith_nv:
| sllg RC, RC, 3
| sllg RB, RB, 3
| lay TMPR1, 0(RC, KBASE)
| lay RC, 0(RB, BASE)
| la TMPR1, 0(RC, KBASE)
| la RC, 0(RB, BASE)
| lgr RB, TMPR1
| j >1
|
@ -920,12 +921,12 @@ static void build_subroutines(BuildCtx *ctx)
|->vmeta_arith_vv:
| sllg RC, RC, 3
| sllg RB, RB, 3
| lay RB, 0(RB, BASE)
| lay RC, 0(RC, BASE)
| la RB, 0(RB, BASE)
| la RC, 0(RC, BASE)
|1:
| llgc RA, PC_RA
| sllg RA, RA, 3
| lay RA, 0(RA, BASE)
| la RA, 0(RA, BASE)
| llgc CARG5, PC_OP // Caveat: CARG5 == RD.
| lgr CARG2, RA
| lgr CARG3, RB
@ -2167,8 +2168,8 @@ static void build_subroutines(BuildCtx *ctx)
|
|2:
| sll r1, 3
| lay r10, (offsetof(CCallState, stack))(CCSTATE) // Source.
| lay r11, (CCALL_SPS_EXTRA*8)(sp) // Destination.
| la r10, (offsetof(CCallState, stack))(CCSTATE) // Source.
| la r11, (CCALL_SPS_EXTRA*8)(sp) // Destination.
|3:
| chi r1, 256
| jl >4
@ -4056,7 +4057,7 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop)
| sllg RD, NARGS:RD, 3
| lay RD, -8(RD,BASE)
| stg BASE, L:RB->base
| lay RA, (8*LUA_MINSTACK)(RD)
| la RA, (8*LUA_MINSTACK)(RD)
| clg RA, L:RB->maxstack
| stg RD, L:RB->top
| lgr CARG1, L:RB