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uz [Tue, 8 Sep 2009 21:10:19 +0000 (21:10 +0000)]

Fixed an error in OptPtrLoad16.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4139 b7a2c559-68d2-44c3-8de9-860c34a00d81

commit | commitdiff | tree

uz [Tue, 8 Sep 2009 20:29:12 +0000 (20:29 +0000)]

Fixed several more problems like the one in Assignment() some time ago: An
expression that yields a constant value may have side effects, and the
expression code must not be removed in this case.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4138 b7a2c559-68d2-44c3-8de9-860c34a00d81

commit | commitdiff | tree

uz [Tue, 8 Sep 2009 20:08:21 +0000 (20:08 +0000)]

Fixed a problem similar to the one in Assignment() some time ago: An
expression that yields a constant value may have side effects, and the
expression code must not be removed in this case.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4137 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Tue, 8 Sep 2009 19:49:30 +0000 (19:49 +0000)]

Use the new function MarkedExprWithCheck.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4136 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Tue, 8 Sep 2009 19:48:22 +0000 (19:48 +0000)]

Allow to store start and end of generated code in the ExprDesc structure. New
function MarkedExprWithCheck.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4135 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Tue, 8 Sep 2009 16:45:21 +0000 (16:45 +0000)]

Changed the prototype of videomode() to take and return an unsigned instead of an unsigned char.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4134 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Tue, 8 Sep 2009 16:25:12 +0000 (16:25 +0000)]

Changed the prototype of videomode() to take and return an unsigned instead of
an unsigned char. Two more video mode constants as discussed on the list.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4133 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Tue, 8 Sep 2009 16:23:59 +0000 (16:23 +0000)]

Fixed a typo in the docs.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4132 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Tue, 8 Sep 2009 07:55:44 +0000 (07:55 +0000)]

Fixed flexible array struct members.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4131 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Mon, 7 Sep 2009 16:59:46 +0000 (16:59 +0000)]

Added initialization of bit-fields.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4130 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Mon, 7 Sep 2009 14:22:27 +0000 (14:22 +0000)]

A constant right side does not necessarily mean that no code is generated for
the right side. The expression may have had side effects. This error is also
found in several other places.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4129 b7a2c559-68d2-44c3-8de9-860c34a00d81

commit | commitdiff | tree

uz [Mon, 7 Sep 2009 14:21:19 +0000 (14:21 +0000)]

Remove stack pointer check in RemoveCodeRange - the calling function has to
take care about that.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4128 b7a2c559-68d2-44c3-8de9-860c34a00d81

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ol.sc [Mon, 7 Sep 2009 14:00:17 +0000 (14:00 +0000)]

Just presume alternate charset to be active on the //e - how shouldn't it if conio usage activates it.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4127 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Mon, 7 Sep 2009 13:21:04 +0000 (13:21 +0000)]

New function videomode() for the C128. Marked toggle_videomode as deprecated.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4126 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Sun, 6 Sep 2009 21:39:28 +0000 (21:39 +0000)]

Changed a comment line.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4125 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Sun, 6 Sep 2009 19:07:18 +0000 (19:07 +0000)]

Use xsprintf instead of sprintf.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4124 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Sun, 6 Sep 2009 16:51:08 +0000 (16:51 +0000)]

Use SymIsTypeDef and SymIsBitField instead of accessing Sym->Flags directly.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4123 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Sun, 6 Sep 2009 16:50:41 +0000 (16:50 +0000)]

New function SymIsBitField.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4122 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Sun, 6 Sep 2009 16:44:16 +0000 (16:44 +0000)]

Fixed an error: When initializing unions, only the first member can be
initialized.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4121 b7a2c559-68d2-44c3-8de9-860c34a00d81

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ol.sc [Fri, 4 Sep 2009 21:32:41 +0000 (21:32 +0000)]

Adjusted to the changed default start address.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4120 b7a2c559-68d2-44c3-8de9-860c34a00d81

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ol.sc [Fri, 4 Sep 2009 21:28:16 +0000 (21:28 +0000)]

Minor reformatting.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4119 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Fri, 4 Sep 2009 20:57:23 +0000 (20:57 +0000)]

Fixed wrong code generation in g_leasp.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4118 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Fri, 4 Sep 2009 20:16:18 +0000 (20:16 +0000)]

Fix problem with OptPtrLoad1 - never insert before the deleted code, always
delete after! Otherwise labels will get wrong.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4117 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Fri, 4 Sep 2009 19:54:29 +0000 (19:54 +0000)]

Fixed another problem with OptStackOps: Load tracking will not work across
branches - if we find a label, just forget all information we had before.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4116 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Fri, 4 Sep 2009 15:44:48 +0000 (15:44 +0000)]

Fixed problems with OptPrecalc. It removed insns because it results were known
- but the insns generate a carry which may be needed later.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4115 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Fri, 4 Sep 2009 15:42:36 +0000 (15:42 +0000)]

Fixed a typo in a comment.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4114 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Thu, 3 Sep 2009 12:13:08 +0000 (12:13 +0000)]

Replace "lda (zp),y" by "lda (zp,x)" where possible and where it saves us
cycles and code bytes.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4113 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Thu, 3 Sep 2009 11:58:11 +0000 (11:58 +0000)]

Replacement code for ule and ugt was wrong and did not cover values that were
equal.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4112 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Tue, 1 Sep 2009 20:57:39 +0000 (20:57 +0000)]

Added code replacements for several missing compare functions. Fixed a bug in
coptstop.c that popped up if transfer instructions were used to load a value
into X.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4111 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Tue, 1 Sep 2009 14:41:37 +0000 (14:41 +0000)]

Terminate after printing the version number when -V is used.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4110 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Tue, 1 Sep 2009 10:19:20 +0000 (10:19 +0000)]

Updated and clarified the coding hints.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4109 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Tue, 1 Sep 2009 10:07:02 +0000 (10:07 +0000)]

Improved code generation, better tracking.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4108 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Tue, 1 Sep 2009 10:06:39 +0000 (10:06 +0000)]

Fixed a problem with OptCmp3 that was in there for a while but is now
triggered because of the new subtraction code sequence.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4107 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Tue, 1 Sep 2009 09:15:19 +0000 (09:15 +0000)]

Minor code improvement.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4106 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Tue, 1 Sep 2009 08:57:36 +0000 (08:57 +0000)]

Simplify code generated for the ?: operator when type conversion code for the
second operand is necessary. Instead of generating interleaved code with
several jumps, just move the code to the right place.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4105 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Mon, 31 Aug 2009 20:37:54 +0000 (20:37 +0000)]

Remember more function infos in the Function struct.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4104 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Mon, 31 Aug 2009 19:36:06 +0000 (19:36 +0000)]

Fixed a bug in Opt_tosaddax.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4103 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Mon, 31 Aug 2009 18:18:50 +0000 (18:18 +0000)]

Simplify the code somewhat.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4102 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Mon, 31 Aug 2009 18:02:44 +0000 (18:02 +0000)]

Make the AddOpLow and AddOpHigh functions usable with both, lhs and rhs
operands.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4101 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Mon, 31 Aug 2009 17:17:18 +0000 (17:17 +0000)]

Print the SVN version number when -V or --version is used.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4100 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Mon, 31 Aug 2009 17:15:59 +0000 (17:15 +0000)]

Fixed a few C99isms that prevented the sources to compile with Watcom-C.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4099 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Mon, 31 Aug 2009 16:48:45 +0000 (16:48 +0000)]

Fixed a copy&paste error in a comment.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4098 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Mon, 31 Aug 2009 15:11:32 +0000 (15:11 +0000)]

Improved code for bit fields.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4097 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Mon, 31 Aug 2009 14:59:49 +0000 (14:59 +0000)]

Improved the code generated for bit-fields.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4096 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Mon, 31 Aug 2009 13:18:49 +0000 (13:18 +0000)]

Add a warning if a function returning something does not contain a return
statement.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4095 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Mon, 31 Aug 2009 12:56:54 +0000 (12:56 +0000)]

The pleasp.s module is no longer in use.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4094 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Mon, 31 Aug 2009 12:41:38 +0000 (12:41 +0000)]

Added info about changed leaa0sp and leaaxsp. Rewrote g_leasp to cope with 16
stack offsets, because it's rather easy in this case.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4093 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Mon, 31 Aug 2009 12:22:13 +0000 (12:22 +0000)]

Oh well. Decided to throw away the separate implementation for leaa0sp,
because it's not used too much, may sometimes inlined and can easily be
replaced by another entry in leaaxsp.s

git-svn-id: svn://svn.cc65.org/cc65/trunk@4092 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Mon, 31 Aug 2009 12:15:51 +0000 (12:15 +0000)]

Renamed leaasp.s again, this time to leaa0sp.s. Added a new module leaaxsp.s.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4091 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Mon, 31 Aug 2009 12:10:59 +0000 (12:10 +0000)]

Renamed leasp.s to leaasp.s

git-svn-id: svn://svn.cc65.org/cc65/trunk@4090 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Sun, 30 Aug 2009 09:01:04 +0000 (09:01 +0000)]

For bit fields contained within single bytes, try to do character operations
instead of word sized ops.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4089 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Sun, 30 Aug 2009 08:37:21 +0000 (08:37 +0000)]

Use CHAR_BITS instead of a hardcoded 8 bits/byte.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4088 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Sun, 30 Aug 2009 08:36:56 +0000 (08:36 +0000)]

Make the SIZEOF_XXX constants resolve to unsigned values.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4087 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Sun, 30 Aug 2009 08:30:55 +0000 (08:30 +0000)]

Any field without a name is legal but useless in a union.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4086 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Sun, 30 Aug 2009 08:28:16 +0000 (08:28 +0000)]

Separate the functions that parse unions and structs, because they became too
different.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4085 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Sun, 30 Aug 2009 07:55:21 +0000 (07:55 +0000)]

Missing resp. ignored "volatile".

git-svn-id: svn://svn.cc65.org/cc65/trunk@4084 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Sat, 29 Aug 2009 23:19:01 +0000 (23:19 +0000)]

Added even more subroutines to the "harmless calls" list.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4083 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Sat, 29 Aug 2009 22:03:41 +0000 (22:03 +0000)]

Few small changes. Started a new section about implementation-defined
behavior.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4082 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Sat, 29 Aug 2009 21:58:06 +0000 (21:58 +0000)]

Code improvements

git-svn-id: svn://svn.cc65.org/cc65/trunk@4081 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Sat, 29 Aug 2009 21:32:14 +0000 (21:32 +0000)]

Rewrote the paragraph about compiler limits and standard compliance.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4080 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Sat, 29 Aug 2009 21:20:13 +0000 (21:20 +0000)]

First implementation of bit fields.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4079 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Sat, 29 Aug 2009 21:17:28 +0000 (21:17 +0000)]

Added more harmless functions to the list, so the stuff gets applied in more
cases.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4078 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Sat, 29 Aug 2009 20:16:52 +0000 (20:16 +0000)]

Improved code for shifts.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4077 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Sat, 29 Aug 2009 20:14:20 +0000 (20:14 +0000)]

The shift long by 4 functions do also destroy Y.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4076 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Sat, 29 Aug 2009 20:04:18 +0000 (20:04 +0000)]

Info for long shift functions was missing or wrong.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4075 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Sat, 29 Aug 2009 19:05:01 +0000 (19:05 +0000)]

Fix wrong check for typedef which caused non allocation of storage for structs
after the latest changes.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4074 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Sat, 29 Aug 2009 19:04:21 +0000 (19:04 +0000)]

Rename Width to BitWidth.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4073 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Sat, 29 Aug 2009 17:38:53 +0000 (17:38 +0000)]

Added code to parse bit fields and enter them into the symbol table. They're
not supported in code generation until now.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4072 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Sat, 29 Aug 2009 11:31:28 +0000 (11:31 +0000)]

Another tiny code improvement for integer compares.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4071 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Sat, 29 Aug 2009 11:31:06 +0000 (11:31 +0000)]

Fixed a problem with local variables (stack offset for RHS was not corrected).

git-svn-id: svn://svn.cc65.org/cc65/trunk@4070 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Sat, 29 Aug 2009 10:54:59 +0000 (10:54 +0000)]

Just comment and formatting changes.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4069 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Fri, 28 Aug 2009 21:34:28 +0000 (21:34 +0000)]

Change mode constants for ParseDecl to an enum.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4068 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Fri, 28 Aug 2009 21:03:17 +0000 (21:03 +0000)]

Reorder optimimization steps to get better results.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4067 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Fri, 28 Aug 2009 19:34:35 +0000 (19:34 +0000)]

Added more code to improve compares.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4066 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Fri, 28 Aug 2009 17:38:24 +0000 (17:38 +0000)]

Fixed a bug introduced by recent changes.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4065 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Fri, 28 Aug 2009 17:21:58 +0000 (17:21 +0000)]

Increase count to 16384. Simplify complex expression.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4064 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Fri, 28 Aug 2009 16:32:58 +0000 (16:32 +0000)]

Changed code generated for compares. Fixed bugs in OptStackOps. Still
generates wrong code in at least one place.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4063 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Fri, 28 Aug 2009 13:44:03 +0000 (13:44 +0000)]

Change code generated for compares for special cases.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4062 b7a2c559-68d2-44c3-8de9-860c34a00d81

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uz [Fri, 28 Aug 2009 10:23:19 +0000 (10:23 +0000)]

Added -u as an alias for --force-import. Updated command line option infos in
the cl65 and ld65 docs.

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uz [Fri, 28 Aug 2009 09:29:11 +0000 (09:29 +0000)]

Relax the precondition for OPtStackOps somewhat.

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uz [Thu, 27 Aug 2009 22:09:46 +0000 (22:09 +0000)]

When preprocessing, all compares evaluate to constants, so don't print a
warning in this case.

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uz [Thu, 27 Aug 2009 22:07:28 +0000 (22:07 +0000)]

Added better code to replace tossubax.

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uz [Thu, 27 Aug 2009 22:00:18 +0000 (22:00 +0000)]

Added a warning if the result of a compare operation is constant. This should
protect against missing parenthesis like in (si & 0x7F == 0). Hopefully
without too many false positives.

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uz [Thu, 27 Aug 2009 16:59:26 +0000 (16:59 +0000)]

Try to generate more predicable code. clc always before adc or sbc.

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uz [Thu, 27 Aug 2009 16:38:27 +0000 (16:38 +0000)]

Check for usage of Y instead of reloading it. The latter will destroy the
flags from load of A.

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uz [Thu, 27 Aug 2009 16:13:17 +0000 (16:13 +0000)]

Fixed a problem with OptPtrLoad6 (must correct stack pointer).

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uz [Thu, 27 Aug 2009 15:30:52 +0000 (15:30 +0000)]

Added the --force-import option also to the cl65 utility.

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uz [Thu, 27 Aug 2009 14:43:44 +0000 (14:43 +0000)]

Added a new "--force-import" command line option to the linker.

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uz [Thu, 27 Aug 2009 14:19:47 +0000 (14:19 +0000)]

Use the new AddrSizeFromStr function.

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uz [Thu, 27 Aug 2009 14:11:07 +0000 (14:11 +0000)]

Added an AddrSizeFromStr function.

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uz [Sun, 23 Aug 2009 21:40:36 +0000 (21:40 +0000)]

Fixed two more function that didn't clear the high byte of the function result.

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uz [Sun, 23 Aug 2009 21:38:11 +0000 (21:38 +0000)]

Fixed an error in cbm_k_save (on which cbm_save is based): The X register was
not cleared on return.

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uz [Thu, 20 Aug 2009 21:01:01 +0000 (21:01 +0000)]

Disable handling of tossubax since it won't work as implemented in many cases.

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uz [Thu, 20 Aug 2009 16:06:20 +0000 (16:06 +0000)]

Added several constraints to the optimizer functions to avoid breaking code.

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uz [Thu, 20 Aug 2009 10:55:38 +0000 (10:55 +0000)]

Fixed a bug reported by Greg King: Initialized data for constant arrays was
not placed in the RODATA but in the DATA segment.

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uz [Wed, 19 Aug 2009 14:51:16 +0000 (14:51 +0000)]

Special cased the division 16 by 8.

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uz [Wed, 19 Aug 2009 13:36:26 +0000 (13:36 +0000)]

Also handle ldaxysp as a valid load insn before a push.

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uz [Wed, 19 Aug 2009 13:20:28 +0000 (13:20 +0000)]

Inline the left shift routines.

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uz [Wed, 19 Aug 2009 12:47:30 +0000 (12:47 +0000)]

Apply OptTransfers3 again in a later step, so it gets another chance.

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uz [Wed, 19 Aug 2009 10:17:10 +0000 (10:17 +0000)]

Generate more predictable code.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4039 b7a2c559-68d2-44c3-8de9-860c34a00d81

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