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7983009e06
Commit Graph

1611 Commits

Author SHA1 Message Date
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
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
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
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
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
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
uz
cd568ef898 Fixed a bug introduced by recent changes. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4065 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-28 17:38:24 +00:00
uz
f66cd4a13f 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
 2009-08-28 16:32:58 +00:00
uz
1b2e0f66cc Change code generated for compares for special cases. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4062 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-28 13:44:03 +00:00
uz
7f143d77d1 Added -u as an alias for --force-import. Updated command line option infos in 
the cl65 and ld65 docs.


git-svn-id: svn://svn.cc65.org/cc65/trunk@4061 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-28 10:23:19 +00:00
uz
e0643a9f77 Relax the precondition for OPtStackOps somewhat. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4060 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-28 09:29:11 +00:00
uz
c214fa6395 When preprocessing, all compares evaluate to constants, so don't print a 
warning in this case.


git-svn-id: svn://svn.cc65.org/cc65/trunk@4059 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-27 22:09:46 +00:00
uz
08d6d96264 Added better code to replace tossubax. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4058 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-27 22:07:28 +00:00
uz
d65928829f 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.


git-svn-id: svn://svn.cc65.org/cc65/trunk@4057 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-27 22:00:18 +00:00
uz
55e8f67640 Try to generate more predicable code. clc always before adc or sbc. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4056 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-27 16:59:26 +00:00
uz
1b4e2111c3 Check for usage of Y instead of reloading it. The latter will destroy the 
flags from load of A.


git-svn-id: svn://svn.cc65.org/cc65/trunk@4055 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-27 16:38:27 +00:00
uz
7c55f30627 Fixed a problem with OptPtrLoad6 (must correct stack pointer). 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4054 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-27 16:13:17 +00:00
uz
1b40f00573 Added the --force-import option also to the cl65 utility. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4053 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-27 15:30:52 +00:00
uz
ee6028993e Added a new "--force-import" command line option to the linker. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4052 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-27 14:43:44 +00:00
uz
2b15f40424 Use the new AddrSizeFromStr function. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4051 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-27 14:19:47 +00:00
uz
6f39a15eff Added an AddrSizeFromStr function. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4050 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-27 14:11:07 +00:00
uz
8fa42540c1 Disable handling of tossubax since it won't work as implemented in many cases. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4047 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-20 21:01:01 +00:00
uz
f63964e23c Added several constraints to the optimizer functions to avoid breaking code. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4046 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-20 16:06:20 +00:00
uz
4a93f188a0 Fixed a bug reported by Greg King: Initialized data for constant arrays was 
not placed in the RODATA but in the DATA segment.


git-svn-id: svn://svn.cc65.org/cc65/trunk@4044 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-20 10:55:38 +00:00
uz
b9c0d6ac85 Also handle ldaxysp as a valid load insn before a push. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4042 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-19 13:36:26 +00:00
uz
8a0d80bbf0 Inline the left shift routines. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4041 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-19 13:20:28 +00:00
uz
57ef34f041 Apply OptTransfers3 again in a later step, so it gets another chance. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4040 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-19 12:47:30 +00:00
uz
f3b639f835 Generate more predictable code. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4039 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-19 10:17:10 +00:00
uz
2e8d62cf88 Add an additional precondition check for safety. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4038 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-19 10:14:14 +00:00
uz
824ab8b137 Serval improvements, handling of tossubax. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4037 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-18 15:10:15 +00:00
uz
45aa228489 Change order of insns in generated sequence in OptPtrLoad17. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4034 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-17 16:25:54 +00:00