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8567 Commits

Author SHA1 Message Date
Chris Lattner 826afe939d Add a new map 
llvm-svn: 9311
 2003-10-20 20:55:13 +00:00
Chris Lattner dcd1466a80 Convert this code from using annotations to using a local map 
llvm-svn: 9310
 2003-10-20 20:52:23 +00:00
Brian Gaeke e7621515c0 Goodbye, AddRegNumToValues 
llvm-svn: 9309
 2003-10-20 20:44:03 +00:00
John Criswell 567fe2f312 Removed extraneous comment line. 
llvm-svn: 9308
 2003-10-20 20:40:30 +00:00
Chris Lattner 93fa46476b Remove using declaration 
llvm-svn: 9307
 2003-10-20 20:38:17 +00:00
Chris Lattner 80e6f5db8f This #include is no longer necessary 
llvm-svn: 9306
 2003-10-20 20:29:44 +00:00
John Criswell d3032037f1 Added LLVM copyright header. 
llvm-svn: 9305
 2003-10-20 20:20:30 +00:00
John Criswell b644598b37 Added LLVM copyright header (for lack of a better term). 
llvm-svn: 9304
 2003-10-20 20:19:47 +00:00
John Criswell 6be819840b Oops. Typo. 
llvm-svn: 9303
 2003-10-20 20:16:14 +00:00
John Criswell 4c8472d705 Added LLVM header notice. 
llvm-svn: 9302
 2003-10-20 20:11:43 +00:00
Misha Brukman 774b94a74b Fixed the documentation to coincide with the code. 
llvm-svn: 9301
 2003-10-20 19:47:25 +00:00
John Criswell dd04329da2 Added LLVM notice. 
llvm-svn: 9300
 2003-10-20 19:46:57 +00:00
Misha Brukman 098cafd62b Made error message more comprehensible. 
llvm-svn: 9299
 2003-10-20 19:43:47 +00:00
John Criswell 482202a601 Added LLVM project notice to the top of every C++ source file. 
Header files will be on the way.

llvm-svn: 9298
 2003-10-20 19:43:21 +00:00
Chris Lattner d77dd78c52 "Function"[0] == 'F', not 'M' 
llvm-svn: 9297
 2003-10-20 19:10:06 +00:00
Chris Lattner a623e48b71 Update release notes 
llvm-svn: 9296
 2003-10-20 19:05:03 +00:00
Brian Gaeke ca1789d3f5 Minor leftover fixups from replaceMachineCodeForFunction () change. 
llvm-svn: 9295
 2003-10-20 17:59:09 +00:00
Chris Lattner 8f71f04961 fix file header 
llvm-svn: 9294
 2003-10-20 17:58:43 +00:00
Chris Lattner ebec8030d6 fix file headers 
llvm-svn: 9293
 2003-10-20 17:57:13 +00:00
Chris Lattner 22feb17ea4 Fix file header 
llvm-svn: 9292
 2003-10-20 17:52:11 +00:00
John Criswell 09344dcf97 Added copyright header to all C++ source files. 
llvm-svn: 9291
 2003-10-20 17:47:21 +00:00
John Criswell ca342f5f83 Made the Requirements information its own major section and moved it 
between the "Getting Started Quickly" and "Getting Started Slowly" sections.
:)
Removed some of the nit-picky requirements information (i.e. GNU tar and
GNU zip).
Attempted to compact the requirements information so that it is less scary.

llvm-svn: 9290
 2003-10-20 16:39:52 +00:00
Brian Gaeke 4bc3958c7b Make replaceMachineCodeForFunction() return void. 
llvm-svn: 9289
 2003-10-20 15:17:12 +00:00
Brian Gaeke 67a5a865ae Make replaceMachineCodeForFunction return void. 
llvm-svn: 9288
 2003-10-20 15:15:17 +00:00
Brian Gaeke a585d7e768 Make replaceMachineCodeForFunction return void. 
Make it assert by default.

llvm-svn: 9287
 2003-10-20 15:14:33 +00:00
Chris Lattner f187b7691d Apparently the dependencies are wrong for this file, so it didn't rebuild it 
when changing Instruction.def.  :(

llvm-svn: 9286
 2003-10-20 14:12:52 +00:00
Chris Lattner 2d9c117e21 Reorder for minor efficiency gain 
llvm-svn: 9285
 2003-10-20 05:54:26 +00:00
Chris Lattner 6acb1bedb1 Emit x86 instructions for: A = B op C, where A and B are 16-bit registers, 
C is a constant which can be sign-extended from 8 bits without value loss,
and op is one of: add, sub, imul, and, or, xor.

This allows the JIT to emit the one byte version of the constant instead of
the two or 4 byte version.  Because these instructions are very common, this
can save a LOT of code space.  For example, I sampled two benchmarks, 176.gcc
and 254.gap.

BM        Old     New    Reduction
176.gcc 2673621 2548962  4.89%
254.gap  498261  475104  4.87%

Note that while the percentage is not spectacular, this did eliminate
124.6 _KILOBYTES_ of codespace from gcc.  Not bad.

Note that this doesn't effect the llc version at all, because the assembler
already does this optimization.

llvm-svn: 9284
 2003-10-20 05:53:31 +00:00
Chris Lattner f2a34aa278 Hrm, a relic from the past. How cute :) 
llvm-svn: 9283
 2003-10-20 05:45:49 +00:00
Chris Lattner 369246d855 Further cleanups and simplifications 
llvm-svn: 9282
 2003-10-20 04:48:06 +00:00
Chris Lattner 358e7c3edb Eliminate code for pointer size and endianness emulation. 
llvm-svn: 9281
 2003-10-20 04:11:23 +00:00
Misha Brukman 42856eb1bd The Grammar Police was here. 
llvm-svn: 9280
 2003-10-20 04:03:10 +00:00
Misha Brukman c265fdc3bb * Fixed grammar in header 
* Added description of `mem2reg'

llvm-svn: 9279
 2003-10-20 03:59:05 +00:00
Chris Lattner 97e1b55723 * Rename X86::IMULr16 -> X86::IMULrr16 
* Implement R1 = R2 * C where R1 and R2 are 32 or 16 bits. This avoids an
  extra copy into a register, reducing register pressure.

llvm-svn: 9278
 2003-10-20 03:42:58 +00:00
Chris Lattner 4705141f28 Don't bother forwarding function references which are external to the program entirely 
llvm-svn: 9274
 2003-10-19 23:32:50 +00:00
Chris Lattner 2b97d6e7cd Ok, return an explicit path to the shared object, unbreaking code generator 
debugging with the JIT

llvm-svn: 9273
 2003-10-19 21:54:13 +00:00
Chris Lattner a4004f6678 Fix iterator invalidation problem 
llvm-svn: 9272
 2003-10-19 21:48:27 +00:00
Chris Lattner 24c67e8553 Eliminate unused class 
llvm-svn: 9270
 2003-10-19 21:39:41 +00:00
Chris Lattner b94550e537 Change the Opcode enum for PHI nodes from "Instruction::PHINode" to "Instruction::PHI" to be more consistent with the other instructions. 
llvm-svn: 9269
 2003-10-19 21:34:28 +00:00
Chris Lattner fc0bf07db4 Change the Opcode enum for PHI nodes from "Instruction::PHINode" to "Instruction::PHI" to be more consistent with the other instructions. 
This allows removal of a special case from the instvisitor

llvm-svn: 9268
 2003-10-19 21:34:11 +00:00
Chris Lattner bf87734fa0 * Multiplications by 2^X are turned into shifts. This factors code out of the 
getelementptr code path for use by other code paths (like malloc and alloca).
* Optimize comparisons with zero
* Generate neg, not, inc, and dec instructions, when possible.

This gives some code size wins, which might translate into performance.  We'll
see tommorow in the nightly tester.

llvm-svn: 9267
 2003-10-19 21:09:10 +00:00
Chris Lattner 55a8ef0cc8 Add some new instructions. Wheee 
llvm-svn: 9266
 2003-10-19 19:25:35 +00:00
Brian Gaeke 98e1f50d0c Change it to match llvmgcc.html ... why do we have separate pages for these two? 
llvm-svn: 9265
 2003-10-19 18:23:05 +00:00
Brian Gaeke 7c49d984d2 Clarify the roles of gccld and gccas. 
Mention that they should really read the gcc manual.

llvm-svn: 9264
 2003-10-19 18:15:18 +00:00
Brian Gaeke cfd030726c Minor edits; also expand description of '-v' option. 
llvm-svn: 9263
 2003-10-19 18:09:24 +00:00
Brian Gaeke e4cea8cd34 Tweak -plugin description to match bugpoint.html 
llvm-svn: 9262
 2003-10-19 18:08:57 +00:00
Brian Gaeke 70e81e2320 Mostly rewritten. 
llvm-svn: 9261
 2003-10-19 18:03:11 +00:00
Chris Lattner d46f945b43 A minor fix 
llvm-svn: 9260
 2003-10-19 17:37:33 +00:00
Brian Gaeke c852194dec Take out extra paragraph tag. 
llvm-svn: 9259
 2003-10-19 17:37:12 +00:00
Brian Gaeke 8ef235e2fc Make this (-run) set look like the other (-disable) set. 
llvm-svn: 9258
 2003-10-19 17:35:35 +00:00