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f6c589bf8e
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Author SHA1 Message Date
uz
f6c589bf8e 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
 2009-09-04 15:44:48 +00:00
uz
67d64e67d5 Fixed a typo in a comment. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4114 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-09-04 15:42:36 +00:00
uz
e1832b2e57 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
 2009-09-03 12:13:08 +00:00
uz
d85e6f9124 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
 2009-09-03 11:58:11 +00:00
uz
7cd92c82fa 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
 2009-09-01 20:57:39 +00:00
uz
7c613f7a83 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
 2009-09-01 14:41:37 +00:00
uz
cc3c3e5f5c Updated and clarified the coding hints. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4109 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-09-01 10:19:20 +00:00
uz
e9eb9eb77c Improved code generation, better tracking. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4108 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-09-01 10:07:02 +00:00
uz
cdc3afa6ef 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
 2009-09-01 10:06:39 +00:00
uz
7c4240fe69 Minor code improvement. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4106 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-09-01 09:15:19 +00:00
uz
944057238e 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
 2009-09-01 08:57:36 +00:00
uz
84710f7227 Remember more function infos in the Function struct. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4104 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-31 20:37:54 +00:00
uz
0c08f65872 Fixed a bug in Opt_tosaddax. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4103 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-31 19:36:06 +00:00
uz
c942568af9 Simplify the code somewhat. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4102 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-31 18:18:50 +00:00
uz
30f25ae12d 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
 2009-08-31 18:02:44 +00:00
uz
b829bda8cb 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
 2009-08-31 17:17:18 +00:00
uz
b3f3b21f80 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
 2009-08-31 17:15:59 +00:00
uz
514775cbdf Fixed a copy&paste error in a comment. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4098 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-31 16:48:45 +00:00
uz
7983009e06 Improved code for bit fields. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4097 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-31 15:11:32 +00:00
uz
dc678e8dcb Improved the code generated for bit-fields. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4096 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-31 14:59:49 +00:00
uz
0a9c7484ad 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
 2009-08-31 13:18:49 +00:00
uz
1ea503a036 The pleasp.s module is no longer in use. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4094 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-31 12:56:54 +00:00
uz
7064aafab9 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
 2009-08-31 12:41:38 +00:00
uz
db69c202a4 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
 2009-08-31 12:22:13 +00:00
uz
bf9d36a2fa 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
 2009-08-31 12:15:51 +00:00
uz
a1dd468291 Renamed leasp.s to leaasp.s 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4090 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-31 12:10:59 +00:00
uz
45d4771584 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
 2009-08-30 09:01:04 +00:00
uz
0b0353de13 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
 2009-08-30 08:37:21 +00:00
uz
03e206a44f Make the SIZEOF_XXX constants resolve to unsigned values. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4087 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-30 08:36:56 +00:00
uz
2ddeb069eb 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
 2009-08-30 08:30:55 +00:00
uz
a09c71b3ff 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
 2009-08-30 08:28:16 +00:00
uz
829cb7de4c Missing resp. ignored "volatile". 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4084 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-30 07:55:21 +00:00
uz
8d5999c3a4 Added even more subroutines to the "harmless calls" list. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4083 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-29 23:19:01 +00:00
uz
7a7526ef8b 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
 2009-08-29 22:03:41 +00:00
uz
b098d8045e Code improvements 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4081 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-29 21:58:06 +00:00
uz
7f7dc69290 Rewrote the paragraph about compiler limits and standard compliance. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4080 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-29 21:32:14 +00:00
uz
6b4fe90928 First implementation of bit fields. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4079 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-29 21:20:13 +00:00
uz
7c6ee79ea9 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
 2009-08-29 21:17:28 +00:00
uz
b0a89ff421 Improved code for shifts. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4077 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-29 20:16:52 +00:00
uz
b4855e017b 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
 2009-08-29 20:14:20 +00:00
uz
ddeb171617 Info for long shift functions was missing or wrong. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4075 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-29 20:04:18 +00:00
uz
d0c4f85e51 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
 2009-08-29 19:05:01 +00:00
uz
7ced0a2ceb Rename Width to BitWidth. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4073 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-29 19:04:21 +00:00
uz
bd872a6324 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
 2009-08-29 17:38:53 +00:00
uz
82919fa2f8 Another tiny code improvement for integer compares. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4071 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-29 11:31:28 +00:00
uz
c741f06ac1 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
 2009-08-29 11:31:06 +00:00
uz
53372ae1c1 Just comment and formatting changes. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4069 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-29 10:54:59 +00:00
uz
5918306fe2 Change mode constants for ParseDecl to an enum. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4068 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-28 21:34:28 +00:00
uz
73e2a72a2a Reorder optimimization steps to get better results. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4067 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-28 21:03:17 +00:00
uz
a9f540fb27 Added more code to improve compares. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4066 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-28 19:34:35 +00:00