* src/port.h,

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

diff --git a/src/z80/peeph.def b/src/z80/peeph.def
index 63f57e357cd76a1e34285e8cab01aff747d8d40c..1ff4aa80724b561c4a236ad278e6d9154edc894d 100644 (file)
--- a/src/z80/peeph.def
+++ b/src/z80/peeph.def
@@ -1,3 +1,8 @@
+replace {
+       ld (hl),(hl)
+} by {
+       ERROR - peephole - caught (hl),(hl)
+}
 replace restart {
        ld %1,%1
 } by {
@@ -9,7 +14,6 @@ replace restart {
        or a,a
        jp %2,%3
 } by {
-       ; Removed redundent or a,a
        xor     a,a
        or      a,%1
        jp      %2,%3
@@ -18,7 +22,6 @@ replace restart {
        cp a,#0x00
        jp nz,%1
 } by {
-       ; Rule 3
        or      a,a
        jp      nz,%1
 }
@@ -29,7 +32,6 @@ replace restart {
        jp      %3
 %2:
 } by {
-       ; Rule 4
        jp      z,%2
 %1:
        jp      %3
@@ -40,7 +42,6 @@ replace restart {
        jp      %2
 %1:
 } by {
-       ; Rule 5
        jp      z,%2
 %1:
 }
@@ -49,16 +50,170 @@ replace restart {
        jp      %2
 %1:
 } by {
-       ; Rule 6
        jp      nz,%2
 %1:
 }
 replace restart {
+       or      a,%1
+       or      a,a
+} by {
+       or      a,%1
+}
+replace restart {
+       or      a,%1)
+        or      a,a
+} by {
+       or      a,%1)
+}
+replace restart {
+       xor     a,a
+       or      a,%1
+       jp      nz,%2
+       xor     a,a
+       or      a,%3
+       jp      z,%2
+} by {
+       xor     a,a
+       or      a,%1
+       jp      nz,%2
+       or      a,%3
+       jp      z,%2
+}
+replace restart {
+       jp      nz,%1
+       inc     %3)
 %1:
        jp      %2
-       jp      %3
 } by {
-       ; Weird Rule 7
+       jp      nz,%2
+       inc     %3)
 %1:
        jp      %2
 }
+replace restart {
+       xor     a,a
+       ld      a,#0x00
+} by {
+       xor     a,a
+}
+replace {
+       ld      e,#0x00
+       ld      d,#0x00
+} by {
+       ld      de,#0x0000
+}
+replace {
+       ld      l,#0x00
+       ld      h,#0x00
+} by {
+       ld      hl,#0x0000
+}
+replace {
+       ld      c,#0x00
+       ld      b,#0x00
+} by {
+       ld      bc,#0x0000
+}
+replace restart {
+       ld      %1,a
+       ld      a,%1
+} by {
+       ld      %1,a
+} if notVolatile %1
+replace restart {
+       jp      %1,%2
+       jr      %3
+%2:
+       jp      %4
+} by {
+       jp      %1,%4
+       jr      %3
+%2:
+       jp      %4
+}
+replace {
+       ld      l,e
+       ld      h,d
+       push    hl
+       ld      l,c
+       ld      h,b
+       push    hl
+} by {
+       push    de
+       push    bc
+}
+replace {
+       and     a,#%1
+       or      a,a
+} by {
+       and     a,#%1
+}
+replace {
+       ld      b,l
+       ld      a,b
+       pop     bc
+       ld      b,a
+} by {
+       ld      a,l
+       pop     bc
+       ld      b,a
+}
+replace {
+       ld      d,l
+       ld      a,d
+       pop     de
+       ld      d,a
+} by {
+       ld      a,l
+       pop     de
+       ld      d,a
+}
+replace {
+       ld      a,b
+       push    af
+       inc     sp
+} by {
+       push    bc
+       inc     sp
+}
+replace {
+       ld      a,d
+       push    af
+       inc     sp
+} by {
+       push    de
+       inc     sp
+}
+replace {
+       ld      a,%1
+       sub     a,#%2
+       jp      m,%3
+       ld      a,%1
+       sub     a,#%4
+       jp      p,%5
+} by {
+       ld      a,%1
+       cp      a,#%2
+       jp      m,%3
+       cp      a,#%4
+       jp      p,%5
+}
+replace {
+       ld      e,l
+       ld      d,h
+       ld      l,e
+       ld      h,d
+} by {
+       ld      e,l
+       ld      d,h
+}
+replace {
+       ld      %1,%2
+       ld      %3,%4
+       ld      %2,%1
+       ld      %4,%3
+} by {
+       ld      %1,%2
+       ld      %3,%4
+}
+