X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=blobdiff_plain;f=gcc%2Fconfig%2F1750a%2Fms1750.inc;h=cb41e95b649beb603f61b5b07d4174a5c53a3929;hp=da2f5a57871020f37eac4625a194fa7434a6f204;hb=9538a3a5d0c66556b19db3aff7e08651d3736ae5;hpb=dff55d3a81b0faf5387cf7bc266b8a91e5574566

diff --git a/gcc/config/1750a/ms1750.inc b/gcc/config/1750a/ms1750.inc
index da2f5a57871..cb41e95b649 100644
--- a/gcc/config/1750a/ms1750.inc
+++ b/gcc/config/1750a/ms1750.inc
@@ -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
+