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authorRichard Kenner <kenner@gcc.gnu.org>1994-09-20 19:32:01 -0400
committerRichard Kenner <kenner@gcc.gnu.org>1994-09-20 19:32:01 -0400
commit0ea3c6ba7d2cb9279bc4b81130f7750895b21562 (patch)
tree03f09852176ea170fc0c2ebcbdef83d61444ed00 /gcc
parentb33f0da5105dae52771feabcecda1d9559307bb1 (diff)
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Initial revision
From-SVN: r8110
Diffstat (limited to 'gcc')
-rw-r--r--gcc/config/1750a/ms1750.inc73
1 files changed, 73 insertions, 0 deletions
diff --git a/gcc/config/1750a/ms1750.inc b/gcc/config/1750a/ms1750.inc
new file mode 100644
index 0000000..1c4370c
--- /dev/null
+++ b/gcc/config/1750a/ms1750.inc
@@ -0,0 +1,73 @@
+;; GCC assembler includefile for AS1750
+;;
+;; Macros defined:
+;; EFLR.M #d,#s Load the three regs starting at R#s to R#d following.
+;; RET.M #fs Return from function (uses the framesize #fs)
+
+
+UC SET 15
+
+; Return from function ; parameter: framesize
+ MACRO RET.M
+ IF `1` > 0
+ IF `1` <= 16
+ AISP R14,`1`
+ ELSE
+ AIM R14,`1`
+ ENDIF
+ ENDIF
+ LR R15,R14
+ URS R15
+ ENDMACRO
+
+; Useful instructions missing from the 1750A standard:
+
+; Extended Float Load from Registers
+ MACRO EFLR.M ; args : #1=dest-regno, #2=source-regno
+ONE SET `1` + 2
+TWO SET `2` + 2
+ IF `1` >= `2` || `1`+2 < `2`
+ LR R`ONE`,R`TWO`
+ DLR R`1`,R`2`
+ ELSE
+ DLR R`1`,R`2`
+ LR R`ONE`,R`TWO`
+ DLR R`1`,R`1` ; Just to update condition codes
+ ENDIF
+ ENDMACRO
+
+; The following leave the condition codes haywire. But that is
+; accounted for (see notice_update_cc in config/1750a.c.)
+
+; Double ANd Register with Register
+ MACRO DANR.M
+ONE SET `1` + 1
+TWO SET `2` + 1
+ ANDR R`1`,R`2`
+ ANDR R`ONE`,R`TWO`
+ ENDMACRO
+
+; Double OR Register with Register
+ MACRO DORR.M
+ONE SET `1` + 1
+TWO SET `2` + 1
+ ORR R`1`,R`2`
+ ORR R`ONE`,R`TWO`
+ ENDMACRO
+
+; Double eXoR Register with Register
+ MACRO DXRR.M
+ONE SET `1` + 1
+TWO SET `2` + 1
+ XORR R`1`,R`2`
+ XORR R`ONE`,R`TWO`
+ ENDMACRO
+
+; Double Nand Register with register
+ MACRO DNR.M
+ONE SET `1` + 1
+TWO SET `2` + 1
+ NR R`1`,R`2`
+ NR R`ONE`,R`TWO`
+ ENDMACRO
+