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1552a40112
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630 Commits

Author SHA1 Message Date
Chris Lattner
1552a40112 Minor cleanup patch, no functionality changes. Written by Jim Laskey. 
llvm-svn: 22727
 2005-08-09 18:29:55 +00:00
Chris Lattner
b3baf30fdd Fix CodeGen/Generic/div-neg-power-2.ll, a regression from last night. 
llvm-svn: 22726
 2005-08-09 18:08:41 +00:00
Nate Begeman
6b842b4883 Factor out some common code, and be smarter about when to emit load hi/lo 
code sequences.

llvm-svn: 22719
 2005-08-08 22:22:56 +00:00
Chris Lattner
afd68f8f76 Remove getImmediateForOpcode, which is now dead. 
Patch by Jim Laskey.

llvm-svn: 22716
 2005-08-08 21:34:13 +00:00
Chris Lattner
f0eb0b2af5 Add new immediate handling support for mul/div. 
Patch by Jim Laskey!

llvm-svn: 22715
 2005-08-08 21:33:23 +00:00
Chris Lattner
8efdc3c8d4 Add support for OR/XOR/SUB immediates that are handled with the new immediate 
way.  This allows ORI/ORIS pairs, for example.

llvm-svn: 22714
 2005-08-08 21:30:29 +00:00
Chris Lattner
051d45ce3c Modify the ISD::AND opcode case to use new immediate constant predicates. 
Includes wider support for rotate and mask cases.

Patch by Jim Laskey.

I've requested that Jim add new regression tests the newly handled cases.

llvm-svn: 22712
 2005-08-08 21:24:57 +00:00
Chris Lattner
3b23144fc0 Modify the ISD::ADD opcode case to use new immediate constant predicates. 
Includes support for 32-bit constants using addi/addis.

Patch by Jim Laskey.

llvm-svn: 22711
 2005-08-08 21:21:03 +00:00
Chris Lattner
69eed9f8a7 Modify existing support functions to use new immediate constant predicates. 
Patch by Jim Laskey

llvm-svn: 22710
 2005-08-08 21:12:35 +00:00
Chris Lattner
fab821d774 Add support predicates for future immediate constant changes. 
Patch by Jim Laskey

llvm-svn: 22709
 2005-08-08 21:10:27 +00:00
Chris Lattner
f6320ae69a Move IsRunOfOnes to a more logical place and rename to a proper predicate form 
(lowercase isXXX).

Patch by Jim Laskey.

llvm-svn: 22708
 2005-08-08 21:08:09 +00:00
Nate Begeman
f2d22dbd9b Fix JIT encoding of ppc mfocrf instruction; the operands were reversed 
llvm-svn: 22707
 2005-08-08 20:04:52 +00:00
Chris Lattner
93820f4ad7 Consolidate the GPOpt stuff to all use the Subtarget, instead of still 
depending on the command line option.  Now the command line option just
sets the subtarget as appropriate.  G5 opts will now default to on on
G5-enabled nightly testers among other machines.

llvm-svn: 22688
 2005-08-05 22:05:03 +00:00
Chris Lattner
79095d3416 Enable gp optimizations by default when available, even when a target triple 
is available, since the target triple doesn't specify whether to use gpopts
or not.

llvm-svn: 22685
 2005-08-05 21:25:13 +00:00
Chris Lattner
d82395fc04 add a note 
llvm-svn: 22681
 2005-08-05 19:18:32 +00:00
Chris Lattner
852038daec don't crash when running the PPC backend on non-ppc hosts without specifying 
a subtarget.

llvm-svn: 22677
 2005-08-05 16:17:22 +00:00
Nate Begeman
c76ffa6717 Hack to naturally align doubles in the constant pool. Remove this once we 
know what The Right Thing To Do is.

llvm-svn: 22660
 2005-08-04 21:04:09 +00:00
Nate Begeman
84d0a2806a Use the new subtarget support to automatically choose the correct ABI 
and asm printer for PowerPC if one is not specified.

llvm-svn: 22659
 2005-08-04 20:49:48 +00:00
Nate Begeman
09997f1012 Add Subtarget support to PowerPC. Next up, using it. 
llvm-svn: 22644
 2005-08-04 07:12:09 +00:00
Misha Brukman
41a00bbfa6 Fix grammar: apostrophe-s ('s) is possessive, not plural; also iff vs. if. 
llvm-svn: 22619
 2005-08-03 17:29:52 +00:00
Chris Lattner
adfe9f12ef minor capitalization thing, patch by Jim Laskey 
llvm-svn: 22617
 2005-08-03 16:52:22 +00:00
Chris Lattner
75a8a64de4 This hunk accidentally got dropped. Patch by Jim Laskey 
llvm-svn: 22595
 2005-08-02 19:30:55 +00:00
Chris Lattner
cc8ae687e1 Update to use the new MathExtras.h support for log2 computation. 
Patch contributed by Jim Laskey!

llvm-svn: 22594
 2005-08-02 19:26:06 +00:00
Chris Lattner
3a81e0795b add a pass name to make debugging dumps nicer 
llvm-svn: 22588
 2005-08-02 19:07:49 +00:00
Jeff Cohen
019104459d Keep tabs and trailing spaces out. 
llvm-svn: 22565
 2005-07-30 18:33:25 +00:00
Andrew Lenharth
3a7dc9f0bd turn off GOT on archs that didn't use it (not that it appeard to harm them much with it on) 
llvm-svn: 22553
 2005-07-29 23:32:02 +00:00
Chris Lattner
5d02e3a15e Eliminate an extra copy from R1 that Nate noticed on function calls that 
have to write arguments to the stack

llvm-svn: 22536
 2005-07-28 05:23:43 +00:00
Chris Lattner
a9dac1cd7a Specify the correct number of operands 
llvm-svn: 22535
 2005-07-28 04:42:11 +00:00
Nate Begeman
b125feb99f Fold constant adds into loads and stores to frame indices. 
For the following code:
double %ext(int %A.0__, long %A.1__) {
        %A_addr = alloca %typedef.DComplex              ; <%typedef.DComplex*> [#uses=2]
        %tmp.1 = cast %typedef.DComplex* %A_addr to int*                ; <int*> [#uses=1]
        store int %A.0__, int* %tmp.1
        %tmp.2 = getelementptr %typedef.DComplex* %A_addr, int 0, uint 1                ; <double*> [#uses=2]
        %tmp.3 = cast double* %tmp.2 to long*           ; <long*> [#uses=1]
        store long %A.1__, long* %tmp.3
        %tmp.5 = load double* %tmp.2            ; <double> [#uses=1]
        ret double %tmp.5
}

We now generate:
_ext:
.LBB_ext_0:     ;
        stw r3, -12(r1)
        stw r4, -8(r1)
        stw r5, -4(r1)
        lfd f1, -8(r1)
        blr

Instead of:
_ext:
.LBB_ext_0:     ;
        stw r3, -12(r1)
        addi r2, r1, -12
        stw r4, 4(r2)
        stw r5, 8(r2)
        lfd f1, 4(r2)
        blr

This also fires hundreds of times on MultiSource.

llvm-svn: 22533
 2005-07-28 03:02:05 +00:00
Nate Begeman
d230bf7242 Fix some comments 
llvm-svn: 22530
 2005-07-27 23:11:27 +00:00
Jeff Cohen
bd51ec7461 Eliminate all remaining tabs and trailing spaces. 
llvm-svn: 22523
 2005-07-27 06:12:32 +00:00
Nate Begeman
54792213a7 Implement the optimization for the Red Zone on Darwin. This removes the 
unnecessary SP manipulation in leaf routines that don't need it.

llvm-svn: 22522
 2005-07-27 06:06:29 +00:00
Jeff Cohen
81980781a1 Eliminate tabs and trailing spaces. 
llvm-svn: 22520
 2005-07-27 05:53:44 +00:00
Chris Lattner
9c98c4366a add a note about the red zone 
llvm-svn: 22518
 2005-07-26 19:07:51 +00:00
Chris Lattner
2e2dd83e7d Wrap some long lines, fix emission of weak global variables 
llvm-svn: 22517
 2005-07-26 19:03:27 +00:00
Nate Begeman
cd48821a69 Update the PPC readme 
llvm-svn: 22516
 2005-07-26 18:59:06 +00:00
Nate Begeman
19014db53f Fix an optimization put in for accessing static globals. This obviates 
the need to build PIC.

llvm-svn: 22512
 2005-07-25 21:15:28 +00:00
Chris Lattner
dd14de5a1e PowerPC no-pic code is not quite ready for prime-time 
llvm-svn: 22507
 2005-07-22 22:58:34 +00:00
Andrew Lenharth
0e1c0e7c79 update interface 
llvm-svn: 22498
 2005-07-22 20:49:37 +00:00
Nate Begeman
7259cc60c4 Support building non-PIC 
Remove the LoadHiAddr pseudo-instruction.
Optimization of stores to and loads from statics.
Force JIT to use new non-PIC codepaths.

llvm-svn: 22494
 2005-07-21 20:44:43 +00:00
Chris Lattner
1766305e60 revert to using 4-byte alignment for doubles, as specified by the ABI 
llvm-svn: 22493
 2005-07-21 19:17:18 +00:00
Nate Begeman
95421ab212 Support assembling fsqrt on darwin. This will be implemented better when 
PowerPC gets subtarget support up.

llvm-svn: 22489
 2005-07-21 01:25:49 +00:00
Nate Begeman
ae843fcefe Generate mfocrf when targeting g5. Generate fsqrt/fsqrts when targetin g5. 
8-byte align doubles.

llvm-svn: 22486
 2005-07-20 22:42:00 +00:00
Nate Begeman
b83789d611 Integrate SelectFPExpr into SelectExpr. This gets PPC32 closer to being 
automatically generated from a target description.

llvm-svn: 22470
 2005-07-19 16:51:05 +00:00
Nate Begeman
be4b78ff53 Remove some code that moved to the generic asm printer a long time ago. 
llvm-svn: 22407
 2005-07-12 18:34:15 +00:00
Chris Lattner
ffaf40a143 Change *EXTLOAD to use an VTSDNode operand instead of being an MVTSDNode. 
This is the last MVTSDNode.

This allows us to eliminate a bunch of special case code for handling
MVTSDNodes.

Also, remove some uses of dyn_cast that should really be cast (which is
cheaper in a release build).

llvm-svn: 22368
 2005-07-10 01:56:13 +00:00
Chris Lattner
273b81e0c0 Change TRUNCSTORE to use a VTSDNode operand instead of being an MVTSTDNode 
llvm-svn: 22366
 2005-07-10 00:29:18 +00:00
Nate Begeman
70532b9f00 Add support for assembling .s files on mac os x for intel 
Add support for running bugpoint on mac os x for intel

llvm-svn: 22351
 2005-07-08 00:23:26 +00:00
Chris Lattner
199560c668 Make several cleanups to Andrews varargs change: 
1. Pass Value*'s into lowering methods so that the proper pointers can be
   added to load/stores from the valist
2. Intrinsics that return void should only return a token chain, not a token
   chain/retval pair.
3. Rename LowerVAArgNext -> LowerVAArg, because VANext is long gone.
4. Now that we have Value*'s available in the lowering methods, pass them
   into any load/stores from the valist that are emitted

llvm-svn: 22339
 2005-07-05 19:58:54 +00:00
Chris Lattner
23a1b681d0 Fix PowerPC varargs 
llvm-svn: 22335
 2005-07-05 17:48:31 +00:00