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Make the -O and --codesize options stackable.

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Copy the current optimization settings into a code segment on creation.


git-svn-id: svn://svn.cc65.org/cc65/trunk@3129 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz
2004-06-15 20:29:49 +00:00
parent 9cb7015055
commit d8279302a9
10 changed files with 51 additions and 41 deletions
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32
src/cc65/codegen.c
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@@ -511,7 +511,7 @@ void g_swap_regvars (int StackOffs, int RegOffs, unsigned Bytes)
/* Generate code */
if (Bytes == 1) {
if (CodeSizeFactor < 165) {
if (IS_Get (&CodeSizeFactor) < 165) {
ldyconst (StackOffs);
ldxconst (RegOffs);
AddCodeLine ("jsr regswap1");
@@ -601,7 +601,7 @@ void g_restore_regvars (int StackOffs, int RegOffs, unsigned Bytes)
AddCodeLine ("lda (sp),y");
AddCodeLine ("sta regbank%+d", RegOffs+1);
} else if (Bytes == 3 && CodeSizeFactor >= 133) {
} else if (Bytes == 3 && IS_Get (&CodeSizeFactor) >= 133) {
ldyconst (StackOffs);
AddCodeLine ("lda (sp),y");
@@ -915,7 +915,7 @@ void g_leasp (int offs)
AddCodeLine ("lda sp");
AddCodeLine ("ldx sp+1");
} else {
if (CodeSizeFactor < 300) {
if (IS_Get (&CodeSizeFactor) < 300) {
ldaconst (offs); /* Load A with offset value */
AddCodeLine ("jsr leaasp"); /* Load effective address */
} else {
@@ -963,7 +963,7 @@ void g_leavariadic (int Offs)
AddCodeLine ("lda (sp),y");
/* Add the value of the stackpointer */
if (CodeSizeFactor > 250) {
if (IS_Get (&CodeSizeFactor) > 250) {
unsigned L = GetLocalLabel();
AddCodeLine ("ldx sp+1");
AddCodeLine ("clc");
@@ -1060,7 +1060,7 @@ void g_putlocal (unsigned Flags, int Offs, long Val)
}
AddCodeLine ("sta (sp),y");
} else {
if ((Flags & CF_NOKEEP) == 0 || CodeSizeFactor < 160) {
if ((Flags & CF_NOKEEP) == 0 || IS_Get (&CodeSizeFactor) < 160) {
ldyconst (Offs);
AddCodeLine ("jsr staxysp");
} else {
@@ -1258,7 +1258,7 @@ void g_reglong (unsigned Flags)
if (Flags & CF_FORCECHAR) {
/* Conversion is from char */
if (Flags & CF_UNSIGNED) {
if (CodeSizeFactor >= 200) {
if (IS_Get (&CodeSizeFactor) >= 200) {
AddCodeLine ("ldx #$00");
AddCodeLine ("stx sreg");
AddCodeLine ("stx sreg+1");
@@ -1266,7 +1266,7 @@ void g_reglong (unsigned Flags)
AddCodeLine ("jsr aulong");
}
} else {
if (CodeSizeFactor >= 366) {
if (IS_Get (&CodeSizeFactor) >= 366) {
L = GetLocalLabel();
AddCodeLine ("ldx #$00");
AddCodeLine ("cmp #$80");
@@ -1284,7 +1284,7 @@ void g_reglong (unsigned Flags)
case CF_INT:
if (Flags & CF_UNSIGNED) {
if (CodeSizeFactor >= 200) {
if (IS_Get (&CodeSizeFactor) >= 200) {
ldyconst (0);
AddCodeLine ("sty sreg");
AddCodeLine ("sty sreg+1");
@@ -1425,7 +1425,7 @@ void g_scale (unsigned flags, long val)
/* FALLTHROUGH */
case CF_INT:
if (CodeSizeFactor >= (p2+1)*130U) {
if (IS_Get (&CodeSizeFactor) >= (p2+1)*130) {
AddCodeLine ("stx tmp1");
while (p2--) {
AddCodeLine ("asl a");
@@ -1487,7 +1487,7 @@ void g_scale (unsigned flags, long val)
case CF_INT:
if (flags & CF_UNSIGNED) {
if (CodeSizeFactor >= (p2+1)*130U) {
if (IS_Get (&CodeSizeFactor) >= (p2+1)*130) {
AddCodeLine ("stx tmp1");
while (p2--) {
AddCodeLine ("lsr tmp1");
@@ -1498,7 +1498,7 @@ void g_scale (unsigned flags, long val)
AddCodeLine ("jsr lsrax%d", p2);
}
} else {
if (CodeSizeFactor >= (p2+1)*150U) {
if (IS_Get (&CodeSizeFactor) >= (p2+1)*150) {
AddCodeLine ("stx tmp1");
while (p2--) {
AddCodeLine ("cpx #$80");
@@ -1788,7 +1788,7 @@ void g_addeqlocal (unsigned flags, int offs, unsigned long val)
case CF_INT:
ldyconst (offs);
if (flags & CF_CONST) {
if (CodeSizeFactor >= 400) {
if (IS_Get (&CodeSizeFactor) >= 400) {
AddCodeLine ("clc");
AddCodeLine ("lda #$%02X", (int)(val & 0xFF));
AddCodeLine ("adc (sp),y");
@@ -1848,7 +1848,7 @@ void g_addeqind (unsigned flags, unsigned offs, unsigned long val)
break;
case CF_INT:
if (CodeSizeFactor >= 200) {
if (IS_Get (&CodeSizeFactor) >= 200) {
/* Lots of code, use only if size is not important */
AddCodeLine ("sta ptr1");
AddCodeLine ("stx ptr1+1");
@@ -2062,7 +2062,7 @@ void g_subeqind (unsigned flags, unsigned offs, unsigned long val)
break;
case CF_INT:
if (CodeSizeFactor >= 200) {
if (IS_Get (&CodeSizeFactor) >= 200) {
/* Lots of code, use only if size is not important */
AddCodeLine ("sta ptr1");
AddCodeLine ("stx ptr1+1");
@@ -3272,7 +3272,7 @@ void g_inc (unsigned flags, unsigned long val)
AddCodeLine ("bne %s", LocalLabelName (L));
AddCodeLine ("inx");
g_defcodelabel (L);
} else if (CodeSizeFactor < 200) {
} else if (IS_Get (&CodeSizeFactor) < 200) {
/* Use jsr calls */
if (val <= 8) {
AddCodeLine ("jsr incax%lu", val);
@@ -3360,7 +3360,7 @@ void g_dec (unsigned flags, unsigned long val)
/* FALLTHROUGH */
case CF_INT:
if (CodeSizeFactor < 200) {
if (IS_Get (&CodeSizeFactor) < 200) {
/* Use subroutines */
if (val <= 8) {
AddCodeLine ("jsr decax%d", (int) val);