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Author SHA1 Message Date
Jeff Cohen
81980781a1 Eliminate tabs and trailing spaces. 
llvm-svn: 22520
 2005-07-27 05:53:44 +00:00
Chris Lattner
bd89428daa Testcase for PR607 
llvm-svn: 22519
 2005-07-26 22:08:53 +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
Chris Lattner
1b22c180d7 ConvertibleToGEP always returns 0, remove some old crufty code which 
is actually dead because of this!

llvm-svn: 22515
 2005-07-26 16:38:28 +00:00
Chris Lattner
dd4417e8f9 fix a warning on 32-bit systems 
llvm-svn: 22513
 2005-07-25 23:42:58 +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
Reid Spencer
df34319bd0 Get rid of bash specific syntax for variable dereferencing, replacing it 
with the more crufty (but more widely available) "eval" command.

llvm-svn: 22509
 2005-07-25 20:25:08 +00:00
Andrew Lenharth
14ff2e9791 fix compile error 
llvm-svn: 22508
 2005-07-23 07:46:48 +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
Misha Brukman
d487149ded No, really, it's an Alpha! And you probably thought it was a PowerPC. 
llvm-svn: 22506
 2005-07-22 22:43:40 +00:00
Andrew Lenharth
b6f81cea2f Handle more imm forms, and load small negative i32 constants without hitting memory (should do the same for arbitrary zero extended small negative constants) 
llvm-svn: 22505
 2005-07-22 22:24:01 +00:00
Andrew Lenharth
c87d7f8593 I know PowerPC wishes it could be alpha, but it cannot. so there 
llvm-svn: 22504
 2005-07-22 22:00:24 +00:00
Andrew Lenharth
3f4c4133e5 make sure we always handle small negatives well 
llvm-svn: 22503
 2005-07-22 21:53:35 +00:00
Andrew Lenharth
5732bc768f finally found the gcc defined constants 
llvm-svn: 22502
 2005-07-22 21:00:30 +00:00
Andrew Lenharth
b77c3f2f18 Alpha has JIT 
llvm-svn: 22501
 2005-07-22 20:54:01 +00:00
Andrew Lenharth
ba955f96e3 Alpha JIT (beta) 
llvm-svn: 22500
 2005-07-22 20:52:16 +00:00
Andrew Lenharth
653f21b2cd simpilfy instruction encoding (and make the lines way shorter, aka Misha happification) 
llvm-svn: 22499
 2005-07-22 20:50:29 +00:00
Andrew Lenharth
0e1c0e7c79 update interface 
llvm-svn: 22498
 2005-07-22 20:49:37 +00:00
Andrew Lenharth
8a56432457 the JIT memory manager will construct a GOT if you want it too. Also, it places the constants in the allocated memory, rather than a malloc area 
llvm-svn: 22497
 2005-07-22 20:48:12 +00:00
Andrew Lenharth
8fc535e9bd allow constants to be relocated like GV (necessary for alpha, as constants are relocated with globals, not with .text), and allow targets to have a GOT managed for them 
llvm-svn: 22496
 2005-07-22 20:46:42 +00:00
Chris Lattner
df5e211e12 new testcase for PR602 
llvm-svn: 22495
 2005-07-21 21:55:08 +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
Chris Lattner
d19bed2fc0 llvm.sqrt somehow escaped documentation. 
llvm-svn: 22490
 2005-07-21 01:29:16 +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
Chris Lattner
408aab3fd9 If errno doesn't matter (e.g. in -ffast-math scenarios), sqrt* should be 
compiled to llvm.sqrt.

llvm-svn: 22488
 2005-07-21 01:09:27 +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
Misha Brukman
9c80f41fe7 * "GNU Compiler Collection's gcc tool" is redundant 
* Made bullet points start with a verb and lowercase, since they are not
  complete sentences
* Cleaned up grammar, removed extraneous verbosity

llvm-svn: 22485
 2005-07-20 21:06:37 +00:00
Chris Lattner
85f898e908 Allow this to pass on non-linux systems as well, such as darwin 
llvm-svn: 22484
 2005-07-20 19:12:00 +00:00
Chris Lattner
faa90d30f5 Do not let MaskedValueIsZero consider undef to be zero, for reasons 
explained in the comment.

This fixes UnitTests/2003-09-18-BitFieldTest on darwin

llvm-svn: 22483
 2005-07-20 18:49:28 +00:00
Chris Lattner
648d6f150e count the number of relocations performed. 
llvm-svn: 22480
 2005-07-20 16:29:20 +00:00
Chris Lattner
abf3f0819e set the target triple so that we don't fail due to X86 abi issues 
llvm-svn: 22479
 2005-07-20 03:56:48 +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
a25a2010e3 Remove unnecessary FP_EXTEND. This causes worse codegen for SSE. 
llvm-svn: 22469
 2005-07-19 16:50:03 +00:00
Reid Spencer
40c5ebe4eb For: memory operations -> stores 
This is the first incremental patch to implement this feature. It adds no
functionality to LLVM but setup up the information needed from targets in
order to implement the optimization correctly. Each target needs to specify
the maximum number of store operations for conversion of the llvm.memset,
llvm.memcpy, and llvm.memmove intrinsics into a sequence of store operations.
The limit needs to be chosen at the threshold of performance for such an
optimization (generally smallish). The target also needs to specify whether
the target can support unaligned stores for multi-byte store operations.
This helps ensure the optimization doesn't generate code that will trap on
an alignment errors.
More patches to follow.

llvm-svn: 22468
 2005-07-19 04:52:44 +00:00
Chris Lattner
342e3bcd33 remove some sparc-v9-specific information 
llvm-svn: 22467
 2005-07-19 03:37:48 +00:00
Reid Spencer
5e502ee22d Provide descriptions for the TargetInstrInfo and TargetFrameInfo classes. 
llvm-svn: 22466
 2005-07-19 01:36:35 +00:00
Chris Lattner
4c9139447d When transforming &A[i] < &A[j] -> i < j, make sure to perform the comparison 
as a signed compare.  This patch may fix PR597, but is correct in any case.

llvm-svn: 22465
 2005-07-18 23:07:33 +00:00
Chris Lattner
d4f9ab3809 The assertion was wrong: the code only worked for i64. While we're at it, 
expand the code to work for all integer datatypes.  This should unbreak
alpha.

llvm-svn: 22464
 2005-07-18 04:31:14 +00:00
Reid Spencer
7942e8a63f Add a parameter to the FIND_STD_PROGRAM macro that allows an alternate name 
for the command line options. This helps with situations where the executable
name sought is too generic and a more meaningful name needs to be used for
the command line options. It also helps satisfy picky project leaders.

llvm-svn: 22461
 2005-07-17 05:30:33 +00:00
Reid Spencer
bd640a379e Add two new checks for use in LLVM configuration files: 
* FIND_STD_PROGRAM will find a program in the path or using --with options
  and verify that the path/bin/program is executable. Also allows checking
  for include files and libraries. If found, USE_PROGRAM is set, otherwise
  its not set. Also sets PROGRAM_BIN (bin directory), and PROGRAM_DIR (top
  level directory). If headers are found, sets PROGRAM_INC. If libraries
  are found, sets PROGRAM_LIB.
* CHECK_PROGRAM_SANITY can be used to run a program with some option that
  only produces information output and requires no input. If the output
  matches a regular expression, the program passes the sanity check.
  Otherwise, an error occurs.

llvm-svn: 22458
 2005-07-17 00:50:40 +00:00
Chris Lattner
07d79f8aa7 Only get the .bss and .data sections when needed instead of unconditionally. 
This allows is to not emit empty sections when .data or .bss is not used.

llvm-svn: 22457
 2005-07-16 17:41:06 +00:00
Chris Lattner
5aed419b6d Add two helper methods, adjust a prototype 
llvm-svn: 22456
 2005-07-16 17:40:34 +00:00
Chris Lattner
60bcec0238 Refactor getSection() method to make it easier to use. 
llvm-svn: 22455
 2005-07-16 17:36:04 +00:00
Chris Lattner
e40a414500 Add ability to set TYPE and FLAGS field for section trivially 
llvm-svn: 22454
 2005-07-16 17:35:26 +00:00
Chris Lattner
40fbf63df8 Major refactor of the ELFWriter code. Instead of building up one big 
vector that represents the .o file at once, build up a vector for each
section of the .o file.  This is needed because the .o file writer needs
to be able to switch between sections as it emits them (e.g. switch
between the .text section and the .rel section when emitting code).

This patch has no functionality change.

llvm-svn: 22453
 2005-07-16 08:01:13 +00:00
Nate Begeman
160c12d896 Teach the legalizer how to promote SINT_TO_FP to a wider SINT_TO_FP that 
the target natively supports.  This eliminates some special-case code from
the x86 backend and generates better code as well.

For an i8 to f64 conversion, before & after:

_x87 before:
        subl $2, %esp
        movb 6(%esp), %al
        movsbw %al, %ax
        movw %ax, (%esp)
        filds (%esp)
        addl $2, %esp
        ret

_x87 after:
        subl $2, %esp
        movsbw 6(%esp), %ax
        movw %ax, (%esp)
        filds (%esp)
        addl $2, %esp
        ret

_sse before:
        subl $12, %esp
        movb 16(%esp), %al
        movsbl %al, %eax
        cvtsi2sd %eax, %xmm0
        addl $12, %esp
        ret

_sse after:
        subl $12, %esp
        movsbl 16(%esp), %eax
        cvtsi2sd %eax, %xmm0
        addl $12, %esp
        ret

llvm-svn: 22452
 2005-07-16 02:02:34 +00:00
Nate Begeman
7a1bc7318d Teach the register allocator that movaps is also a move instruction 
llvm-svn: 22451
 2005-07-16 02:00:20 +00:00