* src/z80/peeph-z80.def: removed some peephole rules that don't

[fw/sdcc] / src / z80 / peeph-z80.def

diff --git a/src/z80/peeph-z80.def b/src/z80/peeph-z80.def
index 09d8e160bf9de11df6b80cad7aec0789b4be567d..948531d9b19fbd006dddd7359bd306a08ccedf71 100644 (file)
--- a/src/z80/peeph-z80.def
+++ b/src/z80/peeph-z80.def
@@ -55,28 +55,6 @@ replace restart {
        ;       z80 removed redundant pop/push
        ld      %1,%2
 }
-;
-;replace restart {
-       ld      a,%1
-       add     a,#0x01
-       ld      l,a
-} by {
-       ;       z80 improved usage of 'inc'
-       ld      l,%1
-       inc     l
-       ld      a,l
-}
-
-replace restart {
-       ld      a,%1
-       add     a,#0xFF
-       ld      l,a
-} by {
-       ;       z80 improved usage of 'dec'
-       ld      l,%1
-       dec     l
-       ld      a,l
-}
 
 replace restart {
        ld      l,a
@@ -123,23 +101,6 @@ replace restart {
        ld      c,a
 }
 
-; I don't think this works. neg does a unary minus of A, not HL  -- EEP
-;
-;replace {
-;      ld      a,c
-;      sub     a,%1
-;      ld      l,a
-;      ld      a,b
-;      sbc     a,%2
-;      ld      h,a
-;} by {
-;      ;       z80/z180 peephole byte pointer subtraction
-;      xor     a
-;      ld      h,%1
-;      ld      l,%2
-;      sbc     hl,bc
-;      neg
-;}
 
 replace {
 %1: