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Author SHA1 Message Date
Nate Begeman
6405f5e9b3 Enable optimization suggested by Chris Lattner to not emit reloc stubs for 
static global variables whose addresses are taken.  This allows us to
convert the following code for taking the address of a static function foo

        addis r2, r30, ha16(Ll1__2E_foo_2$non_lazy_ptr-"L00001$pb")
        lwz r3, lo16(Ll1__2E_foo_2$non_lazy_ptr-"L00001$pb")(r2)

which also includes linker stub code emitted at the end of the .s file not
shown here, and replace it with this:

        addis r2, r30, ha16(l1__2E_foo_2-"L00001$pb")
        la r3, lo16(l1__2E_foo_2-"L00001$pb")(r2)

which in addition to not needing linker help, also has no load instruction.
For those not up on PowerPC mnemonics, la is shorthand for add immediate.

llvm-svn: 18239
 2004-11-25 07:09:01 +00:00
Chris Lattner
5c54472e8a The PPC backend is basically stable, and has a JIT now. 
llvm-svn: 18238
 2004-11-25 06:33:10 +00:00
Chris Lattner
0356e633bc Bug fixed 
llvm-svn: 18237
 2004-11-25 06:31:42 +00:00
Chris Lattner
8eee32596a New testcase for PR451 
llvm-svn: 18236
 2004-11-25 06:25:13 +00:00
Chris Lattner
98ddaa680d Fix the build on non ppc machines 
llvm-svn: 18235
 2004-11-25 06:14:45 +00:00
Reid Spencer
ce7e872b02 PR256 fixed. 
llvm-svn: 18234
 2004-11-25 06:07:42 +00:00
Reid Spencer
070d268ca9 Fix the lib/System/platform link by using proper cached variable name. 
llvm-svn: 18233
 2004-11-25 06:03:14 +00:00
Reid Spencer
ed544cbfa8 For PR256: 
* cache more values
* standardize cache value names
* organize configure script per autoconf recommendations (10 sections)
* Eliminate some redundancies and complexities in the script
* Provide better documentation in the script.

llvm-svn: 18232
 2004-11-25 04:51:04 +00:00
Reid Spencer
1ce9d32f0a Cache the value of this test. 
llvm-svn: 18231
 2004-11-25 04:44:46 +00:00
Reid Spencer
03bdb9b309 Tidy up the indentation. Give the cache variable a proper name. 
llvm-svn: 18230
 2004-11-25 04:43:54 +00:00
Reid Spencer
23f82de6d1 Eliminate duplicate "checking" message. 
llvm-svn: 18229
 2004-11-25 04:42:25 +00:00
Chris Lattner
026387ccbc The JIT works enough 
llvm-svn: 18228
 2004-11-25 04:14:54 +00:00
Chris Lattner
671d625e17 Fix encoding of fsel, fixing olden/power, McCat/bisort and several others. 
All of Olden passes now! :)

llvm-svn: 18227
 2004-11-25 04:11:07 +00:00
Chris Lattner
1f6882a401 Fix encoding of fneg instruction 
llvm-svn: 18226
 2004-11-25 03:53:44 +00:00
Chris Lattner
1a5a39e9ec Fix encoding of swari, fixing several programs, including Olden/mst 
llvm-svn: 18225
 2004-11-25 03:40:20 +00:00
Reid Spencer
889cdb9e02 Make the check print something, give the cache var an llvm specific name. 
llvm-svn: 18224
 2004-11-25 03:33:03 +00:00
Chris Lattner
01269e6ad3 There is not a 1-1 mappign between llvm blocks and PPC blocks, do not use 
LLVM blocks as the keys for the branch rewriter.  This fixes treeadd and
many other programs with the JIT.

llvm-svn: 18223
 2004-11-25 00:33:57 +00:00
Chris Lattner
ebbfaa3db8 * Rename existing relocations to be more specific 
* Add relocations for refernces to non-lazy darwin stubs and implement
  them correctly.

With this change, we can correctly references external globals, and now
all but two UnitTests and all but 1 Regression/C tests pass.

More importantly, bugpoint-jit will start giving us useful testcases,
instead of always telling us that references to external globals don't
work :)

llvm-svn: 18222
 2004-11-24 22:30:08 +00:00
Nate Begeman
e9b752c4e3 Add the same optimization that we do loading from fixed alloca slots to 
storing to fixed alloca slots.

llvm-svn: 18221
 2004-11-24 21:53:14 +00:00
Chris Lattner
4b48c12388 Write CompilationCallback as an explicit assembly stub to avoid getting GCC's 
prolog.

llvm-svn: 18220
 2004-11-24 21:01:46 +00:00
Chris Lattner
961fae4d82 When rewriting the original call instruction, make sure to rewrite it to 
call the right address.

llvm-svn: 18213
 2004-11-24 18:00:02 +00:00
Chris Lattner
8cd0215f14 Force the intregs ptr into R2 and the FPregs ptr into R3. This fixes a really 
obscure problem where we were doing:

lmw     r3,0(r9)

which is undefined on PPC.  Now we do:

lmw     r3,0(r2)

by force, not relying on the GCC register allocator for luck :)

llvm-svn: 18212
 2004-11-24 17:42:55 +00:00
Reid Spencer
1c55479db5 Implement and document prefix options with arbitrary values including an 
= sign. This needed to support -DNAME=value options as pass-through in
llvmc.

llvm-svn: 18203
 2004-11-24 06:13:42 +00:00
Brian Gaeke
8d69439f39 Update list of failing benchmarks. 
llvm-svn: 18202
 2004-11-24 04:07:42 +00:00
Brian Gaeke
3bb57935a7 Fix bug in emitGEPOperation with large struct-member offsets. 
llvm-svn: 18201
 2004-11-24 04:07:33 +00:00
Chris Lattner
de6bb17359 Fix a few more tests by encoding the extsb and other XForm11 instructions 
correctly.

llvm-svn: 18200
 2004-11-24 03:52:02 +00:00
Chris Lattner
338b1b4634 Fix the encoding of ORi and other DForm4 instructions. This brings us to 
36/42 SingleSource/UnitTests passing!

llvm-svn: 18199
 2004-11-24 02:15:41 +00:00
Chris Lattner
2c1b140d62 Loads are relocatable too 
llvm-svn: 18198
 2004-11-24 02:03:44 +00:00
Chris Lattner
ef7794a7c6 Calls do not need a MovPCtoLR instruction 
llvm-svn: 18197
 2004-11-24 02:00:06 +00:00
Chris Lattner
9e59b1f3b5 Get constant pools working. This fixes even more programs, allowing us to 
pass 24/42 in UnitTests (up from 20).

llvm-svn: 18196
 2004-11-24 01:56:12 +00:00
Tanya Lattner
1d440e4782 Forced branches to be first to be scheduled. 
llvm-svn: 18195
 2004-11-24 01:49:10 +00:00
Chris Lattner
a4fd491b8d Rewrite branches more closely to correct. This makes more stuff pass, and 
stops the infinite loops!

llvm-svn: 18194
 2004-11-24 01:35:12 +00:00
Chris Lattner
a8184a2882 Branch instructions explicitly represent CRx in them. bEcause of this, encode 
them explicitly as well.

llvm-svn: 18193
 2004-11-24 01:15:19 +00:00
Nate Begeman
f8b9f49dc8 Fix encoding of bctrl, and remove some unused instructions 
llvm-svn: 18192
 2004-11-24 00:16:37 +00:00
Reid Spencer
7510d6e10b Make sure additional C++ suffixes are recognized by llvmc. 
llvm-svn: 18191
 2004-11-24 00:01:57 +00:00
Reid Spencer
b48e284ed5 Add the configurable configuration files for llvmc. 
llvm-svn: 18190
 2004-11-23 23:48:45 +00:00
Reid Spencer
8ea9ac89f6 * Adjust the options to make them either accept multiple occurrences or be 
optional so that compatibility with GCC is accomplished.
* Implement the -print-file-name option in an attempt to provide the same
  functionality as GCC. Unfortunately, without loading the cpp or c config
  files, this option won't help much.

llvm-svn: 18189
 2004-11-23 23:47:58 +00:00
Reid Spencer
1e676dac08 * Don't pass empty arguments to ExecuteAndWait because it can cause the 
sub-tool to start reading its standard input instead of the specified
  input.
* Clean up ouput of path names on error.
* Extend GetPathForLinkageItem to always search the LibraryPaths and thus
  make it suitable for an interface function (required by llvmc.cpp).
* Implement support for language-specific default library paths.

llvm-svn: 18188
 2004-11-23 23:45:49 +00:00
Reid Spencer
9d89692355 Configuration data now supports a vector of library paths. 
Add the GetPathForLinkageItem method to the interface so full paths can
be generated for a given linkage item.

llvm-svn: 18187
 2004-11-23 23:40:06 +00:00
Reid Spencer
7e57629324 Add the c and cpp configuration files. 
llvm-svn: 18186
 2004-11-23 23:38:46 +00:00
Reid Spencer
5ed5fa8c85 Removed in favor of configurable (*.in) versions. 
llvm-svn: 18185
 2004-11-23 23:38:07 +00:00
Reid Spencer
c3c816df81 Make various adjustments to parsing so that the separator character doesn't 
terminate options or paths, so that SPACE tokens legally separate options
on a command line, and so that the lang.libs paths are parsed properly.

llvm-svn: 18184
 2004-11-23 23:37:26 +00:00
Reid Spencer
d4750c9fdf SPACE is a legitimate token now, to separate option words. 
llvm-svn: 18183
 2004-11-23 23:35:50 +00:00
Reid Spencer
9fa650658b Handle space, separators, bad substitutions, and library search path better 
than before.

llvm-svn: 18182
 2004-11-23 23:35:16 +00:00
Reid Spencer
b49b10043b Configurable language configuration files. 
llvm-svn: 18181
 2004-11-23 23:33:08 +00:00
Reid Spencer
da5beb436a Allow reading of member names that begin with an _ character. 
llvm-svn: 18179
 2004-11-23 22:35:39 +00:00
Chris Lattner
f50b42adc1 Fix encoding of blr and bctr 
llvm-svn: 18178
 2004-11-23 22:06:24 +00:00
John Criswell
672e6eb6d8 Added remark about GCC 3.2.2. Someone with more knowledge of the problem 
can elaborate.

llvm-svn: 18177
 2004-11-23 22:06:24 +00:00
Nate Begeman
9b9c78b3e2 Use the correct register class as a constaint to gcc's inline assembly, so 
that we don't end up trying to use r0 as a base register.

llvm-svn: 18176
 2004-11-23 21:37:22 +00:00
Nate Begeman
7ae4c39fc6 Save/Restore arg regs and nonvolatile regs the compiler might use during 
CompilationCallback

llvm-svn: 18175
 2004-11-23 21:34:18 +00:00