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Author SHA1 Message Date
Jesse Rosenstock
9c70bd44a6 Clarify comment about large shift 
This is to avoid overflow on host platform.
 2020-07-31 19:33:28 +02:00
Jesse Rosenstock
847982c6bf Handle bit-field test after shift/mask 
Previously, bit-field tests were incorrectly combined with load in
`if (x.bitfield)`.  Delay the test until after the shift/mask
is done.  Still combine tests with load if no shift/mask is required.

Fixes #1139
 2020-07-31 19:33:28 +02:00
Jesse Rosenstock
d0c7108dcf Change copyright notice to "The cc65 Authors" 2020-07-30 19:17:11 +02:00
Jesse Rosenstock
3df6c383c0 Add support for static_assert 
Add C11's _Static_assert and static_assert macro.

This is like #error, but is handled at a later stage
of translation, so it is possible to check sizes of
types, values of enums, etc.

https://en.cppreference.com/w/c/language/_Static_assert
https://port70.net/~nsz/c/c11/n1570.html#6.7.10
 2020-07-30 19:17:11 +02:00
Jesse Rosenstock
c72fa735b9 Add test for #1139 2020-07-30 19:13:19 +02:00
Jesse Rosenstock
2d5fd0fc63 Use char ops if possible for bit-field loads 
Set CF_FORCECHAR and change type to char once we have
shifted into a char.

This saves some unnecessary ldx #0 instructions.
 2020-07-30 14:59:23 +02:00
acqn
e38f601fcc Fixed padding at the ends of structs with bit-fields. 2020-07-30 08:38:24 +02:00
acqn
8a511bb63d Fixed nested array initializers. 2020-07-30 08:38:24 +02:00
acqn
9075a853dc Allows one trailing comma before the closing curly of a struct/union initializer. 2020-07-30 08:38:24 +02:00
acqn
25d10d9d9a Fixed nested struct/union initialization. 
Fixed bit-fields offsets in anonymous structs.
 2020-07-30 08:38:24 +02:00
acqn
d6d667a688 Improved error handling with symbol redefinitions. 2020-07-30 08:22:29 +02:00
acqn
92de4fa0d0 Enabled to recognize labels when parsing local variable declarations. 2020-07-30 08:22:29 +02:00
acqn
19c81ed866 Fixed type mask usage. 2020-07-30 08:13:23 +02:00
Jesse Rosenstock
fb9b50ff9c Move type checks before bit-field width parsing 2020-07-30 08:10:38 +02:00
Jesse Rosenstock
aaa0cf5448 Add err tests for bitfield width errors 
! ../../bin/cc65 -o ../../testwrk/err/bitfield-named-zero-width.s bitfield-named-zero-width.c
bitfield-named-zero-width.c(27): Error: Zero width for named bit-field
! ../../bin/cc65 -o ../../testwrk/err/bitfield-negative-width.s bitfield-negative-width.c
bitfield-negative-width.c(26): Error: Negative width in bit-field
! ../../bin/cc65 -o ../../testwrk/err/bitfield-too-wide.s bitfield-too-wide.c
bitfield-too-wide.c(26): Error: Width of bit-field exceeds its type
 2020-07-30 08:10:38 +02:00
Jesse Rosenstock
a2561d07f3 Remove special-case bit-field width code 
cbb33f8 restricted allowed bit-field types to int,
so this is equivalent for now, but forward-compatible.

Fixes FIXME

Also move the int type check before parsing the colon.
 2020-07-30 08:10:38 +02:00
Jesse Rosenstock
74dda01919 Add test that plain int bitfields are unsigned 
We want to make sure this doesn't change when #1095 is fixed;
unsigned is much more efficient.
 2020-07-29 16:43:17 +02:00
Oliver Schmidt
8eab28012a
Adjusted project name. 2020-07-28 23:29:16 +02:00
acqn
cbb33f86e8 Disabled using non-int-size types to declare bit-fields. 2020-07-28 23:26:25 +02:00
acqn
c37f9f1a41 Check if the integer size is known in GetIntegerTypeMin/Max() to prevent potential misuse. 2020-07-28 23:26:25 +02:00
acqn
0f412b6beb Small fixes according to PR review. 2020-07-28 23:26:25 +02:00
acqn
35e1efc7f2 Moved misc/bug1048 as it is already correctly rejected by the compiler. 2020-07-28 23:26:25 +02:00
acqn
7e243e0f2c Allowed using all integer types including enum and char types to define bit-fields, 
but kept the currently behavior that all of them are treated as unsigned int.
 2020-07-28 23:26:25 +02:00
acqn
d8184fbe54 No longer insert all enums in the global symbol table. 2020-07-28 23:26:25 +02:00
acqn
daa65199b3 Fixed underlying types of enums. 
Made enumerator diagnostics more sensible.
Fixed Issue #1048 as a natural result.
 2020-07-28 23:26:25 +02:00
Jesse Rosenstock
c272c73686 Add err test for char bit-fields #1047 2020-07-28 22:03:01 +02:00
Jesse Rosenstock
c0f2b69bef Add test case for sign extending < 1 byte 2020-07-28 22:01:22 +02:00
Jesse Rosenstock
04d16b3740 Make $WORKDIR for tests/err 
Without this, if there is a test that can compile,
it will still fail because the WORKDIR does not exist:

```
pass.c(1): Fatal: Cannot open output file '../../testwrk/err/pass.s': No such file or directory
```
 2020-07-28 21:59:12 +02:00
Oliver Schmidt
cdd23edd37 Added building of samples. 2020-07-27 17:59:24 +02:00
Oliver Schmidt
4316242d7e Adjusted to 5df2de0629 (and slightly simplified). 2020-07-27 17:47:14 +02:00
mrdudz
ed3f281b9e fix wording 2020-07-27 14:40:27 +02:00
compyx
81d3dedb41 Move comment block as requested 2020-07-24 15:24:28 -04:00
compyx
294b5d1cf1 C64 soft80 conio: shave off a few bytes and cycles 2020-07-24 15:24:28 -04:00
Oliver Schmidt
5df2de0629 Added test target. 2020-07-22 23:27:04 +02:00
mrdudz
ffaae965d4 Merge branch 'master' of https://github.com/cc65/cc65 2020-07-22 15:56:23 +02:00
mrdudz
afe455238c added test related to issue #1113 2020-07-22 15:55:55 +02:00
mrdudz
98b2d43c2b added tests related to pr #1110 2020-07-22 15:52:04 +02:00
mrdudz
ce06b20c6c add some details to the readme 2020-07-22 15:31:39 +02:00
mrdudz
844f5a9d33 hook up test/todo in the toplevel test makefile 2020-07-22 15:12:29 +02:00
mrdudz
6abf24e25e move test for issue #1077 to test/val 2020-07-22 15:12:02 +02:00
mrdudz
e22e9c403c added testcase for issue #1098 2020-07-22 14:57:40 +02:00
Greg King
44c82eb1c3 Made da65 disassemble branch instructions with relative address expression operands if there's no label. 2020-07-21 18:43:32 -04:00
mrdudz
eb094ecf6a remove ifdef magic 2020-07-22 00:21:23 +02:00
mrdudz
4a9c5ff63b use uint16_t instead of magic ifdefs, leaving support for bit type in there incase we support it some day 2020-07-22 00:09:48 +02:00
mrdudz
6d518a61a5 Merge branch 'master' of https://github.com/cc65/cc65 2020-07-21 23:52:24 +02:00
mrdudz
df900e30b8 removed references to macros from common.h 2020-07-21 23:50:23 +02:00
Oliver Schmidt
77674352f6
Minor style change. 2020-07-21 23:44:36 +02:00
Brad Smith
041f981960
rand() use XOR to break up unwanted pair correlation (#1107) 
* rand() use XOR to break up unwanted pair correlation

This form of rand() cannot return the same value twice in a row.
Two additonal EOR instructions produce a more even distribution of successive pairs.
see comments on #951

* rand.s document purpose of XOR

* suggested srand() optimization: zero fill unnecessary

* test to validate implementation of rand()

* srand() improving behaviour and adding startup test

* srand() with a tail call to rand() for better initial shuffle

* srand() can fall through to rand() instead of tail call
 2020-07-21 23:38:18 +02:00
mrdudz
7e1f4760e7 remove common.h from test/misc, its no more used 2020-07-21 23:31:58 +02:00
mrdudz
2bbea6779a properly configure sitest so it could work, if we had the respective features :) 2020-07-21 23:04:03 +02:00