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Author SHA1 Message Date
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
23dae5a04b Fixed two more function that didn't clear the high byte of the function result. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4049 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-23 21:40:36 +00:00
uz
4c4071b34a Fixed an error in cbm_k_save (on which cbm_save is based): The X register was 
not cleared on return.


git-svn-id: svn://svn.cc65.org/cc65/trunk@4048 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-23 21:38:11 +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
c4763e9007 Special cased the division 16 by 8. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4043 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-19 14:51:16 +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
acd1233bf2 Greatly improved multiplication routine. Optimized the generic 16x16 one and 
added special cases for 8x16 and 8x8. The former is directly called by the
compiler as tosmula0 and tosumula0 resp.


git-svn-id: svn://svn.cc65.org/cc65/trunk@4036 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-17 20:48:28 +00:00
uz
b5a44f9542 Added a multiplication test program. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4035 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-17 20:37:36 +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
uz
430c13f658 Added/corrected code info. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4033 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-17 16:23:29 +00:00
uz
97c0e45c9f Rewrite of the main function. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4032 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-17 12:52:50 +00:00
uz
548dfd3060 Change order, so that the forced imports for main() go into the global 
segments and not the one for main().


git-svn-id: svn://svn.cc65.org/cc65/trunk@4031 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-16 23:37:09 +00:00
uz
1bd4abdc67 Use correct adddressing mode for "asl a". 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4030 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-16 21:01:16 +00:00
uz
cbf4884f13 Some more pattern replacements. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4029 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-16 20:56:33 +00:00
uz
e646d35db0 Output an apropriate error message when a floating point type is encountered 
(instead of an internal compiler error).


git-svn-id: svn://svn.cc65.org/cc65/trunk@4028 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-16 19:23:07 +00:00
uz
bfc8bd6d74 Added an entry point that clears the high word of rhs. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4027 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-16 16:38:52 +00:00
uz
3aa4d74b18 Added more function info 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4026 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-16 16:38:25 +00:00
uz
aa7d419165 More entry points for long ops that clear the high word of the lhs. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4025 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-15 21:06:06 +00:00
uz
582506b7fc Check also sreg in OptSize1. Added information about shortcut functions for 
longs that clear the high word of the right operand on entry.


git-svn-id: svn://svn.cc65.org/cc65/trunk@4024 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-15 21:00:27 +00:00
uz
b1f772e9be Added additional entry points that clear the high word of the right operand. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4023 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-15 20:58:35 +00:00
uz
d0f9a0d6a7 Fixed wrong insertion order that caused problems with labels. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4022 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-15 16:49:46 +00:00
uz
14b00447a8 Fixed wrong insertion order that caused problems with labels. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4021 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-15 16:45:02 +00:00
uz
b4fda62df9 clc should always be the insn before adc. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4020 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-15 16:00:30 +00:00
uz
15c420fd39 Some branch improvements. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4019 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-15 15:58:21 +00:00
uz
3381311674 Inline some forms of aslax1 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4018 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-15 15:27:43 +00:00
uz
f495a9edc3 Fixed an error 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4017 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-15 14:43:59 +00:00
uz
61195d914e Replace ldaxidx by inline code. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4016 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-15 14:20:26 +00:00
uz
33f6c85753 Add more function to the "harmless calls" list. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4015 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-15 14:18:00 +00:00
uz
b391929acb Minor improvement in last change 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4014 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-15 13:42:40 +00:00
uz
3717443f3b Try to generate more predictable code. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4013 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-15 13:25:40 +00:00
uz
fbe009a182 Remove even more transfer instructions. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4012 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-15 13:16:56 +00:00
uz
14f213cadb Remove unnecessary transfer instructions. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4011 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-15 12:49:15 +00:00
uz
b68db83a2b Remove more push/pop sequences. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4010 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-15 10:27:41 +00:00
uz
d27664036d Change order of replacement code in OptPtrLoad10 to allow detection in other 
steps.


git-svn-id: svn://svn.cc65.org/cc65/trunk@4009 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-15 10:14:04 +00:00
uz
ec8280cc52 Use __asm__() instead of asm(). 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4008 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2009-08-15 09:08:03 +00:00