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Author SHA1 Message Date
Nate Begeman
7b4f0a81ff Fix an optimization put in for accessing static globals. This obviates 
the need to build PIC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22512 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-25 21:15:28 +00:00
Reid Spencer
675267e4e2 Get rid of bash specific syntax for variable dereferencing, replacing it 
with the more crufty (but more widely available) "eval" command.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22509 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-25 20:25:08 +00:00
Andrew Lenharth
f075cac445 fix compile error 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22508 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-23 07:46:48 +00:00
Chris Lattner
aa68f7fa09 PowerPC no-pic code is not quite ready for prime-time 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22507 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-22 22:58:34 +00:00
Misha Brukman
ab25eda801 No, really, it's an Alpha! And you probably thought it was a PowerPC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22506 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-22 22:43:40 +00:00
Andrew Lenharth
6b137d818a Handle more imm forms, and load small negative i32 constants without hitting memory (should do the same for arbitrary zero extended small negative constants) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22505 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-22 22:24:01 +00:00
Andrew Lenharth
22894e980f I know PowerPC wishes it could be alpha, but it cannot. so there 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22504 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-22 22:00:24 +00:00
Andrew Lenharth
4b429fcf25 make sure we always handle small negatives well 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22503 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-22 21:53:35 +00:00
Andrew Lenharth
38396f8a93 finally found the gcc defined constants 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22502 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-22 21:00:30 +00:00
Andrew Lenharth
ddc31e813d Alpha has JIT 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22501 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-22 20:54:01 +00:00
Andrew Lenharth
0934ae02af Alpha JIT (beta) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22500 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-22 20:52:16 +00:00
Andrew Lenharth
f3f951af3f simpilfy instruction encoding (and make the lines way shorter, aka Misha happification) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22499 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-22 20:50:29 +00:00
Andrew Lenharth
908bc862d5 update interface 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22498 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-22 20:49:37 +00:00
Andrew Lenharth
16ec33c6ef 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 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22497 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-22 20:48:12 +00:00
Andrew Lenharth
6a6b2dbd3a 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 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22496 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-22 20:46:42 +00:00
Chris Lattner
a9562059c2 new testcase for PR602 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22495 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-21 21:55:08 +00:00
Nate Begeman
2497e6391f 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22494 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-21 20:44:43 +00:00
Chris Lattner
2130c08930 revert to using 4-byte alignment for doubles, as specified by the ABI 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22493 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-21 19:17:18 +00:00
Chris Lattner
a4d7414a59 llvm.sqrt somehow escaped documentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22490 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-21 01:29:16 +00:00
Nate Begeman
18ed029a7b Support assembling fsqrt on darwin. This will be implemented better when 
PowerPC gets subtarget support up.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22489 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-21 01:25:49 +00:00
Chris Lattner
47183e51c2 If errno doesn't matter (e.g. in -ffast-math scenarios), sqrt* should be 
compiled to llvm.sqrt.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22488 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-21 01:09:27 +00:00
Nate Begeman
adeb43ddf4 Generate mfocrf when targeting g5. Generate fsqrt/fsqrts when targetin g5. 
8-byte align doubles.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22486 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-20 22:42:00 +00:00
Misha Brukman
a577437809 * "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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22485 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-20 21:06:37 +00:00
Chris Lattner
fca3c644ea Allow this to pass on non-linux systems as well, such as darwin 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22484 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-20 19:12:00 +00:00
Chris Lattner
f9944f109c Do not let MaskedValueIsZero consider undef to be zero, for reasons 
explained in the comment.

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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22483 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-20 18:49:28 +00:00
Chris Lattner
e884dc2c58 count the number of relocations performed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22480 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-20 16:29:20 +00:00
Chris Lattner
837451b168 set the target triple so that we don't fail due to X86 abi issues 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22479 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-20 03:56:48 +00:00
Nate Begeman
a3fd400fa8 Integrate SelectFPExpr into SelectExpr. This gets PPC32 closer to being 
automatically generated from a target description.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22470 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-19 16:51:05 +00:00
Nate Begeman
700a3c97e9 Remove unnecessary FP_EXTEND. This causes worse codegen for SSE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22469 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-19 16:50:03 +00:00
Reid Spencer
a0f5bf306c 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22468 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-19 04:52:44 +00:00
Chris Lattner
a307978610 remove some sparc-v9-specific information 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22467 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-19 03:37:48 +00:00
Reid Spencer
627cd0005c Provide descriptions for the TargetInstrInfo and TargetFrameInfo classes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22466 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-19 01:36:35 +00:00
Chris Lattner
7911f03626 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22465 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-18 23:07:33 +00:00
Chris Lattner
f4d32726e6 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22464 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-18 04:31:14 +00:00
Reid Spencer
72f71e18a3 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22461 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-17 05:30:33 +00:00
Reid Spencer
a5e26077ed 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22458 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-17 00:50:40 +00:00
Chris Lattner
0589523525 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22457 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-16 17:41:06 +00:00
Chris Lattner
56c3261e34 Add two helper methods, adjust a prototype 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22456 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-16 17:40:34 +00:00
Chris Lattner
0003395320 Refactor getSection() method to make it easier to use. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22455 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-16 17:36:04 +00:00
Chris Lattner
5f9cb59f05 Add ability to set TYPE and FLAGS field for section trivially 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22454 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-16 17:35:26 +00:00
Chris Lattner
5f48ff7d1f 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22453 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-16 08:01:13 +00:00
Nate Begeman
5a8441ea3f 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22452 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-16 02:02:34 +00:00
Nate Begeman
11cefd926a Teach the register allocator that movaps is also a move instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22451 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-16 02:00:20 +00:00
Nate Begeman
9035b99abf A couple more darwinisms 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22450 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-16 01:59:47 +00:00
Chris Lattner
a28381cac2 Remove all knowledge of UINT_TO_FP from the X86 backend, relying on the 
legalizer to eliminate them.  With this comes the expected code quality
improvements, such as, for this:

double foo(unsigned short X) { return X; }

we now generate this:

_foo:
        subl $4, %esp
        movzwl 8(%esp), %eax
        movl %eax, (%esp)
        fildl (%esp)
        addl $4, %esp
        ret

instead of this:

_foo:
        subl $4, %esp
        movw 8(%esp), %ax
        movzwl %ax, %eax   ;; Load not folded into this.
        movl %eax, (%esp)
        fildl (%esp)
        addl $4, %esp
        ret

-Chris


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22449 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-16 00:28:20 +00:00
Chris Lattner
cad063f1a8 Break the code for expanding UINT_TO_FP operations out into its own 
SelectionDAGLegalize::ExpandLegalUINT_TO_FP method.

Add a new method, PromoteLegalUINT_TO_FP, which allows targets to request
that UINT_TO_FP operations be promoted to a larger input type.  This is
useful for targets that have some UINT_TO_FP or SINT_TO_FP operations but
not all of them (like X86).

The same should be done with SINT_TO_FP, but this patch does not do that
yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22447 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-16 00:19:57 +00:00
Chris Lattner
6e741f8842 You can't use config options without config.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22446 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-15 22:48:31 +00:00
Chris Lattner
3e3def9c19 Fix PR595: These error messages should not be looking at CGI.Name, they 
should be looking at CGI.TheDef->getName().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22445 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-15 22:43:04 +00:00
John Criswell
2382ff7fbe Fixed some punctuation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22443 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-15 19:25:12 +00:00
Nate Begeman
16b04f3d5e Get closer to fully working scalar FP in SSE regs. This gets singlesource 
working, and Olden/power.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22441 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-15 00:38:55 +00:00