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Author SHA1 Message Date
mrdudz
b3491e3d9a test related to issue #1244 2020-09-23 23:57:36 +02:00
mrdudz
46ebb15c76 test related to issue #1245 2020-09-23 23:57:25 +02:00
mrdudz
6fdd90fa63 fix typo 2020-09-23 23:51:37 +02:00
mrdudz
99121688f8 added test related to issue #1263 2020-09-23 23:51:24 +02:00
Greg King
81ac28ff71 Used TAY/TYA instead of PHA/PLA when extracting a bit-field. 
Without optimization, it saves a few CPU cycles.  With optimization, it saves more cycles and a few bytes.
 2020-09-22 12:47:09 -04:00
Greg King
ea95728330 Avoided an avalanche of messages from bad bit-field declarations. 
Made cc65 replace a bad bit-field type with a good one, and always parse the field width.

Shortenned a parameter name to a spelling that's consistent with other function headers.
 2020-09-22 12:47:09 -04:00
Greg King
07ea5259ac Changed a cc65 error message to say that the sizes of bit-field types (not bit-fields) are limited. 2020-09-22 12:47:08 -04:00
Greg King
d906204e84 Allowed UPDCRAMPTR to be exported as a constuctor in the VIC-20 library. 2020-09-22 12:31:27 -04:00
Greg King
dc14751954 Exported the direct Kernal entries that were moved from target headers to "cbm_kernal.inc". 2020-09-22 00:04:24 -04:00
Greg King
41bd8d909b Added ld65's bank attribute to the cx16 library's bank (overlay) configuration file. 
That attribute makes it easier for Assembly code to know which bank holds a label.
 2020-09-20 19:55:25 -04:00
Greg King
0b64ca0d7d Fixed the ld65 cx16 Assembly configuration file. 
The CODE segment immediately follows the EXEHDR segment.  Added a segment for the zero-page area that's free when the BASIC ROM isn't used.
 2020-09-20 16:09:58 -04:00
Greg King
bf4b195016 Added some comments that explain where the g_branch() code generator can and can't be used. 2020-09-18 15:50:26 -04:00
acqn
de630a1245 Fixed quick hack for known registers after calling certain runtime functions, 
and new quick hack for tosshrax.
 2020-09-18 09:04:15 +02:00
acqn
079f4a99dd Added processor state info to the OPCDesc table. However, since some opcodes are affected by the addressing mode, this info is unused in codegen/optimizer but just as quick in-code documentation/hints. 2020-09-18 09:04:15 +02:00
acqn
a7d6eb9190 Added processor flag usage/change-tracking for non-JSR/RTS code entries. 
Some existing optimizations are impacted and need fixes in order to work correctly again.
Fixed and improved OptPrecalc. Now it respects the C/V/Z/N flags.
Fixed optimizations impacted by added support of tracking processor flags.
 2020-09-18 09:04:15 +02:00
acqn
d02b12fa6c Made local code/data labels really local to the functions where they live in. 2020-09-18 09:02:16 +02:00
acqn
86ced2bd4c Avoided unnecessarily boosting the code label numbers with boolean AND. 2020-09-18 08:59:56 +02:00
Jesse Rosenstock
0482e4d6e4 Fix CRLFs introduced by fe3f267 2020-09-18 08:57:28 +02:00
acqn
b8ae5c28fe Added debug output support for processor flags. 2020-09-13 13:50:35 +02:00
acqn
810e17edfe Fixed processor states tracking for the BIT/TRB/TSB opcode. 
Added new opcode descriptions about whether and how the opcode accesses memory.
 2020-09-13 13:50:35 +02:00
acqn
66c5faeb9a Added processor flags usage tracking. 
Added ZNRegs for tracking what register(s) Z/N flags currently reflect.
Added utility functions to check if the specified processor state is known to be a certain value.
 2020-09-13 13:50:35 +02:00
acqn
fe3f267233 Added new runtime sub bcasta/bcastax/bcasteax opposing to bnega/bnegax/bnegeax. 2020-09-11 13:33:54 +02:00
acqn
142b0bf9b3 Added utility functions to get names of comparison function/transformer subroutines. 2020-09-11 13:33:54 +02:00
Greg King
ae6696fcb9 Removed some ambiguity from a statement. 
A limited number of bit-field types are required by the C standard, not by cc65.
 2020-09-08 10:55:07 -04:00
acqn
ab7e9f8424 Hotfix for Issue #1250. 2020-09-08 16:28:21 +02:00
Jesse Rosenstock
4e4e4c2d21 Allow char bit-fields 
These are not required to be supported (only int, signed int, and
unsigned int are required), but most compilers support it.

https://port70.net/~nsz/c/c89/c89-draft.html#3.5.2.1
https://port70.net/~nsz/c/c89/c89-draft.html#A.6.5.8

For consistency with other integral types, plain `char` bit-fields
are unsigned, regardless of the `--signed-chars` option.

Fixes #1047
 2020-09-08 14:24:04 +02:00
acqn
41cee0eb44 Extended support for more addressing modes in tos* optimizations. 2020-09-08 14:19:48 +02:00
acqn
7553b60ef0 Improved OptStackOps for optimizating further when operands have equal hi-bytes. 2020-09-08 14:19:48 +02:00
acqn
57117fa687 Utility functions about compare conditions. 2020-09-08 14:19:48 +02:00
acqn
64ef562fa7 Moved all optimization steps from codeopt.c and some optimization steps from coptind.c into new separate files. 2020-09-08 14:18:22 +02:00
Jesse Rosenstock
9a0e4a35e1 Fix enum bit-field ICE #1244 
This previously resulted in an ICE:
cc65: Check failed: (Entry->Type->C & T_MASK_SIGN) == T_SIGN_SIGNED,
file 'cc65/symtab.c', line 874

This CHECK is in the code that deals with changing `int` bitfields to
`unsigned int`.

Work around this by treating enum bit-fields as having their signedness
specified, so this type change code does not get called.

Fixes #1244.
 2020-09-07 11:21:23 +02:00
Tevo
1e7a9e44af Update comment to reflect addition of integer boundary constants 2020-09-06 23:32:00 +02:00
Tevo
23a8b2c303 Define integer size macros for lacking systems 
Define integer size macros for lacking systems
 2020-09-06 23:32:00 +02:00
acqn
6bb2d1d5d1 Fixed a comment on struct/union types in DoCompare(). 2020-09-06 22:47:11 +02:00
acqn
1cde952cf5 Fixed comparing an enum type with a non-enum type in DoCompare(). 2020-09-06 22:47:11 +02:00
acqn
6e0fb630d7 Fixed check for processor flags usage in case of PHP. 2020-09-06 13:32:38 +02:00
acqn
e2f950b15e Avoided referencing string literals with sizeof so that they are not output if unused elsewhere. 2020-09-05 13:21:21 +02:00
acqn
903e84c24c Std-functions are no longer inlined if they are unevaluated. 2020-09-05 13:21:21 +02:00
acqn
df07e23f2c Fixed bnegeax funcinfo on register usage. 2020-09-05 02:25:56 -04:00
acqn
f849de6769 Object addresses as non-NULL for comparison with NULL. 2020-09-04 19:50:32 +02:00
acqn
8e0b2f0833 Object addresses as non-NULL in boolean context. 2020-09-04 19:50:32 +02:00
acqn
bc5570b708 Fixed logical-NOT in constant context. 2020-09-04 19:50:32 +02:00
Jesse Rosenstock
44b719d957 Change line endings from CRLF to LF 
test/ref/pr1220.c was somehow added with CRLFs.
Other files use just LF.
 2020-09-04 14:01:21 +02:00
acqn
676b14429d Better opt chance for certain optimization steps e.g. OptPtrStore1 etc. 2020-09-04 12:00:10 +02:00
acqn
29d1999947 Rearranged the OptFunc's in alphabetic order. 2020-09-04 12:00:10 +02:00
acqn
761d00b7dc Ignore running removed old optimization steps. Neither list them in help info. 2020-09-04 12:00:10 +02:00
acqn
ae340703f2 OptDupLoads shouldn't silently do optimizations. 2020-09-04 11:58:25 +02:00
acqn
f45d2515eb Fixed OptPush1 in case later code would rely on that pushax zeroes register Y. 2020-09-04 11:58:25 +02:00
acqn
2a3d996077 Improved test case for PR #1220. 2020-09-02 21:36:59 +02:00
acqn
fb6bc275bc Fixed evaluation flags propagation to subexpressions in assignments and function calls. 2020-09-02 21:36:59 +02:00