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(DUCR.M,DUC.M): Defined.

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From-SVN: r13966
This commit is contained in:
Richard Kenner 1997-04-23 09:48:57 -04:00
parent 36f94c9cb3
commit 263967e71d
1 changed files with 44 additions and 0 deletions
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44
gcc/config/1750a/ms1750.inc
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@ -112,3 +112,47 @@ HI SET `1` + 2
POPM R10,R13
ENDMACRO
; Double Unsigned Compare Register with register
MACRO DUCR.M
PSHM R13,R14 ; R13 and R14 are assumed not to be input parameters
LOW1 SET `1` + 1
LOW2 SET `2` + 1
PSHM R`1`,R`LOW1`
PSHM R`2`,R`LOW2`
LR R13,R`LOW1`
LR R14,R`LOW2`
DSRL R`1`,1
DSRL R`2`,1
DCR R`1`,R`2`
BNE +6
ANDM R13,1
ANDM R14,1
CR R13,R14
POPM R`2`,R`LOW2`
POPM R`1`,R`LOW1`
POPM R13,R14
ENDMACRO
; Double Unsigned Compare register with memory
MACRO DUC.M
PSHM R13,R14 ; R13 and R14 are assumed not to be input parameters
LOW1 SET `1` + 1
PSHM R`1`,R`LOW1`
DL R13,`2`
DSRL R`1`,1
DSRL R13,1
DCR R`1`,R13
BNE +10 ; done, go pop the saved regs
DL R13,`2` ; interested in the *low* word (R14)
L R13,1,R15
ANDM R13,1
ANDM R14,1
CR R13,R14
POPM R`1`,R`LOW1`
POPM R13,R14
ENDMACRO