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Merge pull request #140 from davidgiven/dtrg-arraysizes

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CPM: Move the standard ret boilerplate into a helper procedure.
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David Given 2019-02-06 07:43:16 +00:00 committed by GitHub
parent 2e71c027a3 02779325ab
commit 7563ac46a7
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 17 additions and 12 deletions
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14
mach/i80/libem/ret.s Normal file
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@ -0,0 +1,14 @@
.sect .text
.sect .rom
.sect .data
.sect .bss
.sect .text
.define .ret
.ret:
mov h, b
mov l, c
sphl
pop b
ret

15
mach/i80/ncg/table
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@ -1844,18 +1844,12 @@ pat lfr ret $1==$2 leaving ret 0
pat ret $1==0 pat ret $1==0
with STACK with STACK
uses hlreg uses hlreg
gen move lb,hl gen jmp {label, ".ret"}
sphl.
pop lb
ret.
pat ret $1==2 pat ret $1==2
with dereg STACK with dereg STACK
uses hlreg uses hlreg
gen move lb,hl gen jmp {label, ".ret"}
sphl.
pop lb
ret.
pat ret $1<=8 pat ret $1<=8
with STACK with STACK
@ -1868,10 +1862,7 @@ gen 1:
inx hl inx hl
dcr a dcr a
jnz {label,1b} jnz {label,1b}
move lb,hl jmp {label, ".ret"}
sphl.
pop lb
ret.
/******************************************/ /******************************************/
/* Group 15: Miscellaneous */ /* Group 15: Miscellaneous */