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214 Commits

Author SHA1 Message Date
acqn
003d47cc8b Improved type conversion diagnostic messages. 
Allowed incompatible pointer assignments with warnings.
Fixed Issue #1089.
 2020-08-02 18:55:46 +02:00
acqn
30fd8592ae Avoid internal errors when using function-type objects in expressions. 2020-08-02 12:28:11 +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
65081aebed Made able to recognize global declarations of static arrays. Fixed Issue #975. 2020-07-21 18:23:52 +02:00
acqn
0250c87ac6 Fixed SC_* type masks by making them all bitwise-exclusive. 2020-07-21 18:23:52 +02:00
acqn
b67b8ddd38 Disabled applying 'sizeof' to bit-fields. 2020-07-20 14:54:32 +02:00
acqn
62a6e37487 Made the code handling '&expression' slightly tidier. 2020-07-20 14:54:32 +02:00
Greg King
fd0a6955da Changed "IsTypeStruct() || IsTypeUnion()" expressions into shorter "IsClassStruct()" expressions. 
Type-classes are groups of types that can be handled in the same way (similar syntax).
 2020-07-19 14:30:22 -04:00
acqn
29c50ab25f Corrected the error message about struct/union members not found. 2020-07-19 12:57:59 +02:00
acqn
768e03a474 Small fixes and tidy-up based on PR review. 
Renamed GetReplacementType() to GetStructReplacementType().
Clarified in comments that most *Struct* facilities work for unions as well.
Made it clear in some error messages with regards to structs/unions.
 2020-07-19 10:58:33 +02:00
acqn
b45d373fd6 Fixed passing by value structs/unions <= 4 bytes in size to functions. Larger ones are forbidden for now. 2020-07-19 10:58:33 +02:00
acqn
9f67b45ea0 Fixed returning by value structs/unions <= 4 bytes in size from functions. Larger ones are forbidden for now. 2020-07-19 10:58:33 +02:00
acqn
333fa97326 Whitespaces/newlines fixes. 2020-07-18 12:54:29 +02:00
acqn
9198b3be00 Fixed '&function' and '&array'. 2020-07-18 12:54:29 +02:00
acqn
d23b577331 More compiler flags on address types to match the location types of expressions. 2020-07-18 12:54:29 +02:00
acqn
2108489523 Fix for Issue #1075 and #1077. 2020-07-18 12:54:29 +02:00
acqn
8066cd9ace Fixed wrong case in PreDec codegen, which never seems to be in use though. 2020-06-01 22:37:40 +02:00
acqn
33e103fdc6 Fixed Issue #1040: non-byte pointer +=/-= byte codegen bug. 2020-06-01 22:37:40 +02:00
Greg King
90a2edcfa2 Made cc65 detect a possibly missing argument at the end of a function argument list. 
(It could be a stray comma at the end of the list.)
 2020-01-25 04:14:58 -05:00
Greg King
a0db846a97 Allowed old-style (K and R) function declarations to be fastcall. 
That lets them match old-style definitions.  It avoids "Type conflict" error messages.  It allows shorter function calls.

Fixed the types of some variables in "test/ref/otccex.c".  It avoids crashes on 64-bit Windows (32-bit Windows with 64-bit pointers).
 2019-07-22 09:26:23 -04:00
Lauri Kasanen
654d972288 C90 param, void 2019-04-21 12:46:03 -04:00
Lauri Kasanen
a9cbb5305c Fix missing spaces 2019-04-21 12:46:03 -04:00
Lauri Kasanen
3b3b16ee9c Add support for computed gotos 
This is a GCC extension that allows C to use fast jump tables.
 2019-04-21 12:46:03 -04:00
Greg King
a6b04f6e97 Changed most "backticks" (grave accents) into apostrophes. 
Quotations that are embraced by tick marks now look better, in most fonts.
 2019-01-05 14:57:12 -05:00
Laubzega
581c46c213 Add checks for risky goto statements. 2018-10-02 18:49:53 +02:00
Greg King
c67e90dd19 Changed the type of a compiler variable that holds either integers or pointers. 
The change allows cc65 to be compiled on 64-bit Windows, without getting warnings.  That OS is actually 32 bits with 64-bit pointers.  Its pointers are "long long" instead of "long".  The change uses type-names that are configured for the actual pointer width.
 2018-01-09 05:34:16 -05:00
Oliver Schmidt
c8d6ca908d Minor style fix. 2017-10-23 18:22:51 +02:00
Oliver Schmidt
11b01b908d Merge pull request #424 from clbr/trampoline 
Trampoline support
 2017-05-18 16:29:34 +02:00
Lauri Kasanen
f6fa74a636 Rename trampoline to wrappedcall everywhere 2017-05-18 16:00:04 +03:00
Lauri Kasanen
a2f61c667a Update comments and location checks according to Greg 2017-05-07 20:31:41 +03:00
Lauri Kasanen
ead0338c0d Add fast path for char postdec 2017-05-06 13:35:39 +03:00
Lauri Kasanen
767f093ff8 Add fast path for char postinc 2017-05-06 13:35:39 +03:00
Lauri Kasanen
2890b3a810 Pragma trampoline 2017-05-02 20:51:53 +03:00
Greg King
7e14dde07b Fixed the cc65 code that handled an addition of a pointer to a 32-bit offset. 
It didn't demote the offset to int because it looked at the pointer (instead of the offset) which already was 16 bits.
 2015-12-31 17:41:48 -05:00
Greg King
3b303396bf Made cc65 accept comparisons between pointers with different qualifiers (similarly to subtractions between pointers). 2015-12-29 04:18:17 -05:00
Oliver Schmidt
d3eebc8fcf Merge branch 'pointer' of https://github.com/mrdudz/cc65 into mrdudz-pointer 2015-07-15 12:24:09 +02:00
mrdudz
6ab197f364 patch from Uz that makes some illegal operations on pointers error out 2015-07-10 14:27:49 +02:00
Greg King
8189339e7d Added special-case compiler code that handles a pointer-to-array dereference. 
The type needs to change (to array); but, the address shouldn't be changed -- it already points to the first element.
Based on a bug analysis by Daniel Serpell.
 2015-07-01 06:55:57 -04:00
Greg King
8743e9911d Added a command-line option to compile a program, with __cdecl__ as the default calling convention. 2015-04-22 09:59:23 -04:00
Greg King
a798b1d648 Made __fastcall__ be the default calling convention for non-variadic functions. 2015-03-10 05:53:52 -04:00
Greg King
0390c34e88 Changed multi-line C comments into another style. 
The left side doesn't look unbalanced.
 2014-06-30 16:51:07 -04:00
Oliver Schmidt
4185caf855 Normalized code. 2014-03-04 01:11:19 +01:00
Oliver Schmidt
f488f7576c Applied fix contributed by Greg King. 
The code
  void foo(void)
  {
    int i;
    long l = 1L * i;
  }
triggered an
  Internal compiler error:
  Code generation messed up: StackPtr is -4, should be -2

Greg King: "We are lucky that the bug is simple -- a missing "else".  The result is that the compiler thinks that it does the opposite of what it actually does:  It thinks that it pushes the non-constant expression onto the stack. It doesn't; so, cc65's stack pointer is wrong."
 2013-10-08 23:04:41 +02:00
Oliver Schmidt
85885001b1 Removed (pretty inconsistently used) tab chars from source code base. 2013-05-09 13:57:12 +02:00
uz
0eed753578 Prevent a literal string that is an argument for sizeof to be output into the 
literal pool.


git-svn-id: svn://svn.cc65.org/cc65/trunk@5968 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2013-01-25 20:45:40 +00:00
uz
ec1f955a6e For commutative operators processed by hie_internal, if the left side is a 
constant, exchange the order of the operands so that better code can be
generated.


git-svn-id: svn://svn.cc65.org/cc65/trunk@5721 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2012-06-16 18:12:24 +00:00
uz
b5d88fdedd Mark commutative operators as such (no change in code until now). 
git-svn-id: svn://svn.cc65.org/cc65/trunk@5720 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2012-06-16 15:49:53 +00:00
uz
cbefb85d47 Fixed a problem reported by Greg King. structs returned from functions in the 
primary register are actually rvalues and need special treatment.
                                                                 


git-svn-id: svn://svn.cc65.org/cc65/trunk@5413 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2012-01-20 16:01:25 +00:00
uz
80a5686bd9 The code for compares with a constant result may not be removed, because it 
may contain side effects.


git-svn-id: svn://svn.cc65.org/cc65/trunk@5010 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2011-05-01 18:48:06 +00:00
uz
3f5b2a8fbd Allow to disable the "Result of comparison is constant" warning. 
git-svn-id: svn://svn.cc65.org/cc65/trunk@4883 b7a2c559-68d2-44c3-8de9-860c34a00d81
 2010-11-28 21:16:46 +00:00