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Author SHA1 Message Date
David Given
bb15c03339 Remember to preserve input registers if we're going to be reading from them 
after writing to the output register.
 2018-09-09 18:53:49 +02:00
David Given
79fd34dac6 Call atexit handlers properly, avoiding a NPE and seg fault every time a 
program exits.
 2018-09-09 18:51:00 +02:00
David Given
e88670dad4 Yikes! Turns out that FPU registers are only 32 bits wide, and doubles are 
stored in pairs, just like on the PowerPC!
 2018-09-09 18:25:00 +02:00
David Given
ec46643124 Allow the ELF processor flags to be set. Generate MIPS ELF executables, not 
PowerPC ones.
 2018-09-09 14:29:34 +02:00
David Given
5dfef6f180 Rework relocations again: add RELO2HI and RELO2HISAD for the high two bytes of 
a word.
 2018-09-09 14:11:11 +02:00
David Given
95dd6f0141 Fix some niggling issues --- we have our first binary now! 2018-09-09 12:24:22 +02:00
David Given
b3b7c684c6 Simplify MIPS relocations. Add RELS2 (for generic high-word relocations). Add 
support for MIPS branch-and-jump relocations.
 2018-09-09 12:23:59 +02:00
David Given
0d8d98fd0f Warning fix. 2018-09-09 12:22:59 +02:00
David Given
d2a1d4dcda Added some very untested csa and csb implementations, based on the PowerPC 
ones.
 2018-09-08 23:12:57 +02:00
David Given
75308901bc Added hi[] and lo[] functions to the assembler; fix things enough that we now 
get to the point of failing to link programs.
 2018-09-08 22:42:06 +02:00
David Given
379c1a4a3c Rework floating point conversion. Bash enough of the table into workingness 
that the libraries build now.
 2018-09-08 22:06:38 +02:00
David Given
d2c14ca44f Precisely one stack hreg gets allocated for each vreg/congruence group for 
eviction; this prevents us from having to worry about moving values from stack
slot to stack slot, which is hard.
 2018-09-08 18:59:55 +02:00
David Given
b7a1c96986 MIPS appears to hate converting unsigneds to floats and vice versa. 2018-09-05 23:53:38 +02:00
David Given
fc0b0ae178 (Slightly) better errors on phi congruence group mismatches. 2018-09-05 23:53:08 +02:00
David Given
7fbce066f8 We attempt to compile the first library function; we fail. 2018-09-05 00:13:01 +02:00
David Given
26fe3f7530 Added library skeletons. 2018-09-05 00:07:07 +02:00
David Given
98afb42095 Added a boot.o based on the PowerPC one. 2018-09-05 00:00:13 +02:00
David Given
26c0228b14 The examples all compile now (probably incorrectly, and the libc doesn't 
compile yet).
 2018-09-04 23:55:28 +02:00
David Given
9d80756253 Lots of assembler and rule bugfixing. 2018-09-04 23:43:24 +02:00
David Given
fe5ca5a85f Added li and la instructions. 2018-09-03 22:47:41 +02:00
David Given
26f9b4ceae Add in floating point support to the code generator. 2018-09-03 22:06:05 +02:00
David Given
83cf1be6a8 mcgg now checks that registers have at most one type attribute set. 2018-09-03 22:03:57 +02:00
David Given
f8e71d888b Add some painfully untested FPU instructions. 2018-09-02 21:36:09 +02:00
David Given
1d6ecddcf4 The MIPS backend is still full of holes, and cut-and-pasted PowerPC code, but 
is beginning to look like an actual code generator.
 2018-09-02 18:57:25 +02:00
David Given
a023fd8591 Better error reporting for unterminated strings. 2018-09-02 18:55:44 +02:00
David Given
2eaca39322
Merge pull request #120 from davidgiven/dtrg-no 
Remove the built-in preprocessor in cemcom.ansi
 2018-09-02 13:15:11 +02:00
David Given
b76352de99 Remove stray #include. 2018-09-02 12:54:53 +02:00
David Given
cb983fac44 Rip out the built-in preprocessor from cemcom.ansi, now it's no longer used. 2018-09-02 12:50:50 +02:00
David Given
6931ffa5a4 Disable the built-in preprocessor in cemcom.ansi; the external preprocessor is 
always run. Fix a bug in block skipping in the preprocessor.
 2018-09-02 12:39:00 +02:00
David Given
f8fc5bc3d8 Implement single-line C++-style comments. 
Fixes: #118
 2018-09-02 12:14:59 +02:00
David Given
0e9736fdca Run through clang-format before editing. 2018-09-02 12:04:33 +02:00
David Given
274ed3cb6a Run through clang-format before editing. 2018-09-02 11:49:40 +02:00
David Given
dd00b81080 Run files through clang-format before editing. 2018-09-02 11:36:15 +02:00
David Given
fa1ba55ad2 Convert CRLF into LF on read; this should avoid problems with parsing CRLF files. 
Fixes #117.
 2018-09-02 11:30:20 +02:00
David Given
788f439a48 Run files through clang-format before editing. 2018-09-02 11:16:06 +02:00
David Given
4741ed8e14 Add a completely non-tested table-based MIPS assembler. 2018-09-01 19:35:31 +02:00
David Given
bed39e1f4d Merge. 2018-09-01 15:34:36 +02:00
David Given
1d9f9074d9 The default installation location should be /usr/local. 2018-09-01 15:34:01 +02:00
David Given
7dc4c16521
Merge pull request #112 from davidgiven/dtrg-te 
Add tea-ci CI for Windows builds
 2018-09-01 11:49:28 +02:00
David Given
6f74f1caf3 Disable the msys32 build because it doesn't work (due to brk issues). 2018-09-01 11:43:52 +02:00
David Given
f09182eb37 Another typo fix. 2018-09-01 11:34:29 +02:00
David Given
269484f64a Typo fix. 2018-09-01 11:32:26 +02:00
David Given
b57900c638 Experiment with a build matrix and msys32. 2018-09-01 11:31:45 +02:00
David Given
a7719a8fe6 Add bison and flex. 2018-09-01 11:25:03 +02:00
David Given
bc1a639697 No luck with ninja --- make should work? 2018-09-01 11:23:39 +02:00
David Given
e4ba155886 Update apt before installing. 2018-09-01 11:19:16 +02:00
David Given
0a735d43e6 Typo fix. 2018-09-01 11:18:25 +02:00
David Given
e886186890 Cygwin setup is very slow, so put sh-on-windows first for testing. 2018-09-01 11:17:50 +02:00
David Given
d1a00f2f48 Let's try sh-on-windows as well. 2018-09-01 11:12:14 +02:00
David Given
10785e9791 msys32 doesn't work; try Cygwin instead. 2018-09-01 11:07:28 +02:00