"ancestor" flow logic was implemented. Applied optimization patches from Frieder...

[fw/sdcc] / src / pic / peeph.def

diff --git a/src/pic/peeph.def b/src/pic/peeph.def
index e7a5a865f0be151301660b51947fdcfb1a3cd78b..0dccf7b06ef91d512f93bf939f3a127a4f353417 100644 (file)
--- a/src/pic/peeph.def
+++ b/src/pic/peeph.def
@@ -112,7 +112,7 @@ replace restart {
        %4
 %3:    %5
 } by {
-       ;peep 1 - test/jump to test/skip
+       ;     peep 1 - test/jump to test/skip
         %1
        _INVERTBITSKIP_ %2
        %4
@@ -126,7 +126,7 @@ replace restart {
 %4:    %5
 %3:    %6
 } by {
-       ;peep 1b - test/jump to test/skip
+       ;     peep 1b - test/jump to test/skip
         %1
        _INVERTBITSKIP_ %2
 %4:    %5
@@ -156,7 +156,7 @@ replace restart {
        movwf   %1
        movf    %1,w
 } by {
-       ; peep 2 - Removed redundant move
+       ;     peep 2 - Removed redundant move
        movwf   %1
 } if NZ
 
@@ -167,7 +167,7 @@ replace restart {
        btfss   _STATUS,z
        goto    %2
 } by {
-       ; peep 3 - decf/mov/skpz to decfsz
+       ;     peep 3 - decf/mov/skpz to decfsz
        decfsz  %1,f
         goto   %2
 }
@@ -177,7 +177,7 @@ replace restart {
        movf    %1,w
        movf    %1,w
 } by {
-       ; peep 4 - Removed redundant move
+       ;     peep 4 - Removed redundant move
        movf    %1,w
 }
 
@@ -187,7 +187,7 @@ replace restart {
        movwf   %2
        movlw   %1
 } by {
-       ; peep 5 - Removed redundant move
+       ;     peep 5 - Removed redundant move
        movlw   %1
        movwf   %2
 }
@@ -196,7 +196,7 @@ replace restart {
        movwf   %1
        movwf   %1
 } by {
-       ; peep 6 - Removed redundant move
+       ;     peep 6 - Removed redundant move
        movwf   %1
 }
 
@@ -204,7 +204,7 @@ replace restart {
        movlw   0
        iorwf   %1,w
 } by {
-       ; peep 7 - Removed redundant move
+       ;     peep 7 - Removed redundant move
        movf    %1,w
 }
 
@@ -213,7 +213,7 @@ replace restart {
        movwf   %2
        decf    %2,f
 } by {
-       ; peep 8 - Removed redundant move
+       ;     peep 8 - Removed redundant move
        decf    %1,w
        movwf   %2
 }
@@ -223,7 +223,7 @@ replace restart {
        movf    %2,w
        xorwf   %1,w
 } by {
-       ; peep 9a - Removed redundant move
+       ;     peep 9a - Removed redundant move
        movwf   %1
        xorwf   %2,w
 }
@@ -233,7 +233,7 @@ replace restart {
        movf    %2,w
        iorwf   %1,w
 } by {
-       ; peep 9b - Removed redundant move
+       ;     peep 9b - Removed redundant move
        movwf   %1
        iorwf   %2,w
 }
@@ -243,7 +243,43 @@ replace restart {
        movwf   %2
        movf    %2,w
 } by {
-       ; peep 9c - Removed redundant move
+       ;     peep 9c - Removed redundant move
        movf    %1,w
        movwf   %2
 }
+
+replace restart {
+       movwf   %1
+       movf    %1,w
+       movwf   %2
+} by {
+       ;     peep 9d - Removed redundant move
+       movwf   %1
+       movwf   %2
+} if NZ
+
+// From: Frieder Ferlemann
+
+replace restart {
+        iorlw   0
+} by {
+        ;     peep 10a - Removed unnecessary iorlw
+} if NZ
+
+// From: Frieder Ferlemann
+
+replace restart {
+        xorlw   0
+} by {
+        ;     peep 10b - Removed unnecessary xorlw
+} if NZ
+
+// From: Frieder Ferlemann
+
+replace restart {
+        movf    %1,w
+        movwf   %1
+} by {
+        ;     peep 11 - Removed redundant move
+        movf    %1,w
+}