Correct wrong optimizer infos

git-svn-id: svn://svn.cc65.org/cc65/trunk@672 b7a2c559-68d2-44c3-8de9-860c34a00d81

diff --git a/src/cc65/optimize.c b/src/cc65/optimize.c
index 62ff839bebb5aea9225d9c36f5f1e842017467f4..3cbf284281f9d9edc8b957c8ffc7bee0925a6d1b 100644 (file)
--- a/src/cc65/optimize.c
+++ b/src/cc65/optimize.c
@@ -144,7 +144,13 @@ static const struct {
     { "\tjsr\tbool",             0,    REG_NONE,   REG_AX        },
     { "\tjsr\tdecaxy",   1,    REG_ALL,    REG_AX        },
     { "\tjsr\tdecax",            0,    REG_AX,     REG_AX        },
-    { "\tjsr\tdecsp",    0,    REG_NONE,   REG_A         },
+    { "\tjsr\tdecsp2",           1,    REG_NONE,   REG_A         },
+    { "\tjsr\tdecsp3",           1,    REG_NONE,   REG_A         },
+    { "\tjsr\tdecsp4",           1,    REG_NONE,   REG_A         },
+    { "\tjsr\tdecsp5",           1,    REG_NONE,   REG_A         },
+    { "\tjsr\tdecsp6",           1,    REG_NONE,   REG_A         },
+    { "\tjsr\tdecsp7",           1,    REG_NONE,   REG_A         },
+    { "\tjsr\tdecsp8",           1,    REG_NONE,   REG_A         },
     { "\tjsr\tldax0sp",   1,           REG_Y,      REG_AX        },
     { "\tjsr\tldaxysp",   1,           REG_Y,      REG_AX        },
     { "\tjsr\tpusha",            1,    REG_A,      REG_Y         },
@@ -4028,9 +4034,14 @@ static Line* OptOneBlock (Line* L)
        } else if (LineFullMatch (L, "\tjsr\tdeceaxy")) {
            /* We know about this function */
            A = X = -1;
-       } else if (LineMatch (L, "\tjsr\tdecsp") && IsDigit (L->Line[10])) {
-           /* We know about this function */
-           A = -1;
+               } else if (LineMatch (L, "\tjsr\tdecsp") && IsDigit (L->Line[10])) {
+           if (L->Line[10] == '1') {
+               /* Destroys Y, leaves all other regs alone */
+               Y = -1;
+           } else {
+               /* Destroys A, leaves all other regs alone */
+               A = -1;
+           }
        } else if (LineFullMatch (L, "\tjsr\tincax1")) {
            /* We know about this function */
            A = X = -1;
@@ -4129,7 +4140,7 @@ static Line* OptOneBlock (Line* L)
            /* We know about this function */
            A = 0;
            X = 0;
-           Y = 1;
+           Y = 0;
        } else if (LineFullMatch (L, "\tjsr\tpush0ax")) {
            /* We know about this function */
            Y = 0;
@@ -4137,37 +4148,37 @@ static Line* OptOneBlock (Line* L)
            /* We know about this function */
            A = 1;
            X = 0;
-           Y = 1;
+           Y = 0;
        } else if (LineFullMatch (L, "\tjsr\tpush2")) {
            /* We know about this function */
            A = 2;
            X = 0;
-           Y = 1;
+           Y = 0;
        } else if (LineFullMatch (L, "\tjsr\tpush3")) {
            /* We know about this function */
            A = 3;
            X = 0;
-           Y = 1;
+           Y = 0;
        } else if (LineFullMatch (L, "\tjsr\tpush4")) {
            /* We know about this function */
            A = 4;
            X = 0;
-           Y = 1;
+           Y = 0;
        } else if (LineFullMatch (L, "\tjsr\tpush5")) {
            /* We know about this function */
            A = 5;
            X = 0;
-           Y = 1;
+           Y = 0;
        } else if (LineFullMatch (L, "\tjsr\tpush6")) {
            /* We know about this function */
            A = 6;
            X = 0;
-           Y = 1;
+           Y = 0;
        } else if (LineFullMatch (L, "\tjsr\tpush7")) {
            /* We know about this function */
            A = 7;
            X = 0;
-           Y = 1;
+           Y = 0;
        } else if (CPU != CPU_65C02 && LineFullMatch (L, "\tjsr\tpusha")) {
            /* We know about this function */
            Y = 0;
@@ -4206,19 +4217,19 @@ static Line* OptOneBlock (Line* L)
        } else if (LineFullMatch (L, "\tjsr\tpushw")) {
            /* We know about this function (calls pushax) */
            A = X = -1;
-           Y = 1;
+           Y = 0;
        } else if (LineFullMatch (L, "\tjsr\tpushw0sp")) {
            /* We know about this function(calls pushax)  */
            A = X = -1;
-           Y = 1;
+           Y = 0;
        } else if (LineFullMatch (L, "\tjsr\tpushwidx")) {
            /* We know about this function (calls pushax) */
            A = X = -1;
-           Y = 1;
+           Y = 0;
        } else if (LineFullMatch (L, "\tjsr\tpushwysp")) {
            /* We know about this function (calls pushax) */
            A = X = -1;
-           Y = 1;
+           Y = 0;
        } else if (LineFullMatch (L, "\tjsr\tresteax")) {
            /* We know about this function */
            A = X = -1;