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3215 Commits

Author SHA1 Message Date
Misha Brukman
c29e6a4f16 Fix file comment header 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18018 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-19 22:09:21 +00:00
Misha Brukman
c11c44f55b Handle GhostLinkage case for completeness (should not be seen by the asm writer) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18015 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-19 21:49:19 +00:00
Brian Gaeke
b6c409a13d Add VANext and VAArg stubs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18012 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-19 21:08:18 +00:00
Brian Gaeke
d90282db12 Implement va_start. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18011 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-19 20:57:24 +00:00
Chris Lattner
3104db054a Dont' forget to switch back to decimal output 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18010 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-19 20:57:07 +00:00
Brian Gaeke
4e459c465e First part of varargs support: getting all varargs which could possibly 
be in registers into memory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18006 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-19 20:31:08 +00:00
Brian Gaeke
2f95ed65e0 va_end can safely be codegen'd to nothing on v8. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18004 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-19 19:21:34 +00:00
Brian Gaeke
9e672a2d1b A very sorry stub implementation of varargs intrinsics... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18003 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-19 18:53:59 +00:00
Brian Gaeke
507bc71820 Update list of expected test failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18002 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-19 18:48:29 +00:00
Brian Gaeke
a54df2503b Fix bug in casting to long/ulong. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18001 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-19 18:48:10 +00:00
Nate Begeman
bc3a5378d0 Eliminate another 6k register copies that the register allocator would just 
coalesce out of hbd.  Speeds up compilation by 2% (0.6s)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17987 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-19 08:01:16 +00:00
Nate Begeman
8531f6f42a Generate fewer reg-reg copies for the register allocator to deal with. 
This eliminates over 2000 in hbd alone.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17973 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-19 02:06:40 +00:00
Tanya Lattner
a9aa809935 Fixed to fit in 80 columns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17961 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-18 18:47:29 +00:00
Tanya Lattner
75e8419e48 Adding option to llc for ModuloScheduling. By default it is turned off. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17959 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-18 18:38:01 +00:00
Brian Gaeke
7c0afe04ab Rewrite LoadArgumentsToVirtualRegs, making it match almost exactly how 
visitCallInst works.  Support cast of byte/short/int to long.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17949 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-18 07:43:33 +00:00
Brian Gaeke
7ba2a43866 Update current expected failures list - expand it to include all of 
SingleSource. Update to-do list (open-coding refers to binary operations on
longs, not to passing them into functions, which we already support.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17948 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-18 07:43:32 +00:00
Nate Begeman
db869aad8c Eliminate another common source of moves that the register allocator 
shouldn't be forced to coalesce for us: folded GEP operations.  This too
fires thousands of times across the testsuite.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17947 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-18 07:22:46 +00:00
Nate Begeman
1f5308e5b5 When accessing the base register for global variables, use the register 
directly rather than making a copy for the register allocator to coalesce.
This kills thousands of live intervals across the testsuite.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17946 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-18 06:51:29 +00:00
Nate Begeman
0113638073 Clean up and fix cast codegen by removing cases that are handled elsewhere, 
and properly emitting signed short to unsigned int.  This fixes the last
regression vs. the CBE, MultiSource/Applications/hbd.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17942 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-18 04:56:53 +00:00
Brian Gaeke
4b92ed6d58 Allocate fewer registers and tighten up alignment restrictions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17929 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-18 00:25:20 +00:00
Brian Gaeke
c935cf111c Update to-do list. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17927 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-17 22:33:55 +00:00
Brian Gaeke
b662963d3b Update list of failing SingleSource Benchmarks 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17926 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-17 22:33:28 +00:00
Brian Gaeke
b3e0017763 We were (somehow) getting the wrong branch opcode for setcc float instrs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17925 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-17 22:06:56 +00:00
Tanya Lattner
ced8222405 Added my own defMap. Only saving values that are not loop invariant. Fixed a couple of assertions that were triggered due to registers not being allocated. These both had to do with PHINodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17907 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-16 21:31:37 +00:00
Chris Lattner
39a83dc37c Fix a major bug in the signed shr code, which apparently only breaks 134.perl! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17902 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-16 18:40:52 +00:00
Brian Gaeke
4cda591341 Update list of failing benchmarks 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17895 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-16 07:32:58 +00:00
Brian Gaeke
b354b7148e Correct the implicit-defs information for indirect and direct calls. 
You can't have implicit defs that overlap explicit defs, or implicit
defs that alias one another.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17894 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-16 07:32:09 +00:00
Chris Lattner
eea9b134fc Simplify namespaces 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17870 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-16 04:47:33 +00:00
Chris Lattner
8f1ac9f90d Remove a dead function, which died when we got GAS emission working (phwew, 
hold your nose!)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17869 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-16 04:34:29 +00:00
Chris Lattner
f2d552eca6 Implement a simple FIXME: if we are emitting a basic block address that has 
already been emitted, we don't have to remember it and deal with it later,
just emit it directly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17868 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-16 04:30:51 +00:00
Chris Lattner
16fe6f5f24 * Merge some win32 ifdefs together 
* Get rid of "emitMaybePCRelativeValue", either we want to emit a PC relative
  value or not: drop the maybe BS.  As it turns out, the only places where
  the bool was a variable coming in, the bool was a dynamic constant.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17867 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-16 04:21:18 +00:00
Chris Lattner
5aa3ed92de Add debug-only=jit printout, so we see when lazily resolved symbols are 
set up.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17862 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-15 23:16:55 +00:00
Chris Lattner
36c625d3a5 Simplify and rearrange long shift code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17861 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-15 23:16:34 +00:00
Misha Brukman
145a5a3746 Add BCTR and LWZU instruction opcodes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17851 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-15 21:20:09 +00:00
Brian Gaeke
766d6f3b59 Update list of failing Benchmarks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17823 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-15 05:57:26 +00:00
Brian Gaeke
f28688e527 Expand Defs to encompass all the possibly-call-clobbered regs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17822 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-15 05:56:53 +00:00
Misha Brukman
d2691fdf18 GhostLinkage should not reach asm printing stage 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17750 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 21:03:49 +00:00
Misha Brukman
3a8a42a9b4 Handle GhostLinkage (should not ever reach the assembly printing stage!) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17749 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 21:03:30 +00:00
Misha Brukman
fc256599b3 Fix build on Linux/PowerPC64 using SuSE GCC (#undef PPC) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17744 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 20:34:01 +00:00
Brian Gaeke
da9b3668c2 Fix problem with insertion point for ADJCALLSTACKDOWN. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17733 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 06:32:08 +00:00
Brian Gaeke
5179e41d6e Update lists of failing unit tests. 
Exclude bigfib, so that we effectively exclude all C++ benchmarks.
Update to-do list: mention va_start.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17732 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 06:32:07 +00:00
Brian Gaeke
04fe7477b1 Fix NotTest - round up extraStack to the nearest doubleword, if it is 
not zero.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17728 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 05:19:00 +00:00
Brian Gaeke
b31a828533 Update failing Benchmarks; point out that I'm skipping Shootout-C++. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17725 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 04:43:12 +00:00
Brian Gaeke
1c745818ff Update expected UnitTests failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17723 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 03:22:08 +00:00
Brian Gaeke
24b90c3647 Rewrite outgoing arg handling to handle more weird corner cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17722 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 03:22:07 +00:00
Brian Gaeke
54799c2a51 Support UndefValue emission. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17721 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-14 03:22:05 +00:00
Chris Lattner
4b2c09fa22 Don't print unneeded labels 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17714 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-13 23:27:11 +00:00
Chris Lattner
4394d51467 Hack around stupidity in GCC, fixing Burg with the CBE and 
CBackend/2004-11-13-FunctionPointerCast.llx


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17710 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-13 22:21:56 +00:00
Chris Lattner
ce7cafa960 shld is a very high latency operation. Instead of emitting it for shifts of 
two or three, open code the equivalent operation which is faster on athlon
and P4 (by a substantial margin).

For example, instead of compiling this:

long long X2(long long Y) { return Y << 2; }

to:

X3_2:
        movl 4(%esp), %eax
        movl 8(%esp), %edx
        shldl $2, %eax, %edx
        shll $2, %eax
        ret

Compile it to:

X2:
        movl 4(%esp), %eax
        movl 8(%esp), %ecx
        movl %eax, %edx
        shrl $30, %edx
        leal (%edx,%ecx,4), %edx
        shll $2, %eax
        ret

Likewise, for << 3, compile to:

X3:
        movl 4(%esp), %eax
        movl 8(%esp), %ecx
        movl %eax, %edx
        shrl $29, %edx
        leal (%edx,%ecx,8), %edx
        shll $3, %eax
        ret

This matches icc, except that icc open codes the shifts as adds on the P4.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17707 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-13 20:48:57 +00:00
Chris Lattner
62f5a9402c Add missing check 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17706 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-13 20:04:38 +00:00
Chris Lattner
44205cadba Compile: 
long long X3_2(long long Y) { return Y+Y; }
int X(int Y) { return Y+Y; }

into:

X3_2:
        movl 4(%esp), %eax
        movl 8(%esp), %edx
        addl %eax, %eax
        adcl %edx, %edx
        ret
X:
        movl 4(%esp), %eax
        addl %eax, %eax
        ret

instead of:

X3_2:
        movl 4(%esp), %eax
        movl 8(%esp), %edx
        shldl $1, %eax, %edx
        shll $1, %eax
        ret

X:
        movl 4(%esp), %eax
        shll $1, %eax
        ret


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17705 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-13 20:03:48 +00:00
John Criswell
546faca4ef Correct the name of stosd for the AT&T syntax: 
It's stosl (l for long == 32 bit).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17658 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-10 04:48:15 +00:00
Nate Begeman
a591457857 Allow hbd to be bugpointable on darwin by fixing common and linkonce codegen 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17637 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-09 04:01:18 +00:00
Nate Begeman
676dee6ae9 Put int the getReg cast optimization from x86 so that we generate fewer 
move instructions for the register allocator to coalesce.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17608 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-08 02:25:40 +00:00
Nate Begeman
075cdc655e Disable bogus cast elimination when the cast is used by a setcc instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17583 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-07 20:23:42 +00:00
Chris Lattner
26818012e3 Decompose* is V9 specific, make it internal 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17547 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-07 00:43:24 +00:00
Chris Lattner
64a26c7bf8 Move this file from lib/Transforms/Scalar 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17544 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-07 00:39:09 +00:00
John Criswell
e5cda8e727 Fix compilation problem; make the cast and the LHS be the same type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17488 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-05 16:17:06 +00:00
Chris Lattner
141e3fd81d Quiet VC++ warnings 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17484 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-05 04:50:59 +00:00
Nate Begeman
28dd2fc240 Thanks to sabre for pointing out that we were incorrectly codegen'ing 
int test(int x) { return 32768 - x; }

Fixed by teaching the function that checks a constant's validity to be used
as an immediate argument about subtract-from instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17476 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-04 19:43:18 +00:00
Brian Gaeke
6931fd61c0 Handle "call" operands of type long/ulong passed in registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17464 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-04 00:27:04 +00:00
Chris Lattner
da6122f61d Fix this function to not say that longs have 8-byte alignment on X86/PPC. 
This method is really a gross hack, but at least we can make it work on
the targets we support right now.

This bug fix stops a crash in a testcase reduced from 176.gcc


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17443 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-02 22:18:18 +00:00
Tanya Lattner
80f085500f Added gross hacks such as creating my own def-use map, and picking on Instruction that I can add all my TmpInstructions to its MCFI. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17441 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-02 21:04:56 +00:00
Chris Lattner
a62869b064 Fix a warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17431 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-02 15:27:57 +00:00
Chris Lattner
7cc372bfc3 Add placeholder variable to make Win32 work, applied for Morten Ofstad 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17406 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-01 20:10:20 +00:00
Reid Spencer
cc2d1e25f3 Internalize variable names to prevent recursive assignment. Cleanup docs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17359 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-30 09:19:36 +00:00
Tanya Lattner
260652a7af Fixed bug with infinite epilogues. 
Fixed issue with generating the partial order. It now adds the nodes not in recurrences in sets for each connected component.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17351 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-30 00:39:07 +00:00
Brian Gaeke
b982c42e65 Change name of target lib to conform to new naming scheme. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17347 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-29 21:57:16 +00:00
Brian Gaeke
b13fac70ca Remove dependency on MRegisterInfo::getRegClass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17346 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-29 21:42:27 +00:00
Reid Spencer
6cb21d443e Change Library Names Not To Conflict With Others When Installed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17286 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-27 23:18:45 +00:00
Nate Begeman
0aafc3289c Move destructor out of line to avoid vtable emission in every file that includes the header. Thanks to sabre. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17278 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-27 06:00:53 +00:00
Nate Begeman
4c3480169b Fix the build by eliminating some more dead code. That'll learn me not to listen to Reid 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17275 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-27 05:44:23 +00:00
Nate Begeman
b9cad90aeb Remove include of MRegisterInfo.h, since it is already included by 
SkeletonGenRegisterInfo.h.inc


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17245 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-26 06:04:23 +00:00
Nate Begeman
17304c393e Remove file that is no longer used, and move include of MRegisterInfo.h 
from PowerPCFrameInfo.h to PowerPCAsmPrinter.cpp where it is actually
needed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17244 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-26 06:02:38 +00:00
Nate Begeman
dfd0e7bc34 Eliminate usage of MRegisterInfo::getRegClass(physreg) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17240 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-26 05:40:45 +00:00
Nate Begeman
4a0de07e78 Update to-do list 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17235 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-26 04:10:53 +00:00
Nate Begeman
9b508c3619 Fix treecc. Also fix a latent bug in emitBinaryConstOperation that would 
allow and const, 0 to be incorrectly codegen'd into a rlwinm instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17234 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-26 03:48:25 +00:00
Chris Lattner
097714b319 Disable the JIT until it can sorta kinda work. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17230 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-25 20:53:41 +00:00
Chris Lattner
f1ac33d690 Remove dead assert 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17221 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-25 19:04:01 +00:00
John Criswell
408f9995a1 Removed dead method, printPHICopiesForSuccessors(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17216 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-25 18:41:50 +00:00
John Criswell
30cc227fa7 Modified switch generation so that only the phi values associated with the 
destination basic block are copied.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17212 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-25 18:30:09 +00:00
Nate Begeman
905a29152f Implement more complete and correct codegen for bitfield inserts, as tested 
by the recently committed rlwimi.ll test file.  Also commit initial code
for bitfield extract, although it is turned off until fully debugged.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17207 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-24 10:33:30 +00:00
Misha Brukman
d4b4a99587 * Correctly handle the MovePCtoLR pseudo-instr with a bl to next instr 
* Stop the confusion of using rv and Addr for global addresses: just use rv


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17195 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-23 23:47:34 +00:00
Misha Brukman
40a55e1e29 Add BA, BL, and BLA opcodes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17193 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-23 20:29:24 +00:00
Misha Brukman
a4df350ba1 * Do not emit IMPLICIT_DEF pseudo-instructions 
* Convert register numbers from their opcode value to the real value, e.g.
  PPC::R1 => 1 and PPC::F1 => 1
* Add correct handling of loading of global values which are PC-relative --
  implement ha16() and lo16()


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17190 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-23 18:28:01 +00:00
Misha Brukman
bd7780bc60 DForm_1, particularly used by store instructions, needs the immediate operand to 
be listed second as that is how the instructions are usually created (and is the
correct asm syntax) so that it's assembled correctly from its constituents


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17183 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-23 06:08:38 +00:00
Misha Brukman
da8d96d1a1 Fix the SPR field for MTLR, MFLR, MTCTR, and MFCTR instructions. 
The decimal value given in the manual (8 or 9) really needs to be multiplied by
a factor of 32 because of the group of 5 zero bits after the register code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17182 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-23 06:05:49 +00:00
Misha Brukman
15f74b3f4f The value of the XO field for MFLR and MFCTR is 339, not 399 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17181 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-23 05:38:55 +00:00
Misha Brukman
bb48249414 Remove extraneous blank line 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17180 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-23 04:59:22 +00:00
Misha Brukman
3a060e5279 Align function arguments in function headers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17178 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-23 04:58:32 +00:00
Nate Begeman
31dfc52b81 Kill casts from integer types to unsigned byte, when the cast was only used 
as the shift amount operand to a shift instruction.  This was causing us to
emit unnecessary clear operations for code such as:
int foo(int x) { return 1 << x; }


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17175 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-23 00:50:23 +00:00
Reid Spencer
b8d5570e95 Clean up the output from this makefile so its not verbose. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17173 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-22 23:24:39 +00:00
Misha Brukman
6b9ae58c52 Adjust rules for building .inc files due to Reid's changes of Makefile.rules 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17169 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-22 22:16:24 +00:00
Reid Spencer
8c2c3152d6 Adjust to changes in Makefile.rules 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17167 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-22 21:02:08 +00:00
Reid Spencer
cac731ecbe We won't use automake 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17155 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-22 03:35:04 +00:00
Misha Brukman
9691a898c7 Remove debug code emitter from the JIT 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17151 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-21 03:07:38 +00:00
Alkis Evlogimenos
4f9a6c30a2 Make this compile. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17150 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-21 02:44:16 +00:00
Misha Brukman
3070e2ff79 * Added basic support for JITing functions, basic blocks, instruction encoding, 
including registers, constants, and partial support for global addresses
* The JIT is disabled by default to allow building llvm-gcc, which wants to test
  running programs during configure


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17149 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-21 01:42:02 +00:00
Nate Begeman
0797d4905a Don't clear or sign extend bool->int. This fires a few dozen times on the test suite 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17147 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-20 21:55:41 +00:00
John Criswell
57bbfcec91 Small performance improvement in generated C code: 
Instead of unconditionally copying all phi node values into temporaries for
all successor blocks, generate code that will determine what successor
block will be called and then copy only those phi node values needed by
the successor block.

This seems to cut down namd execution time from being 8% higher than GCC to
4% higher than GCC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17144 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-20 14:38:39 +00:00
Misha Brukman
d8e6e7f563 * Add baseline structural JIT code, but disable the JIT to allow llvm-gcc builds 
- Support added for functions, basic blocks, constant pool, constants,
    registers, and some basic support for globals, all untested
* Turn assert()s into abort()s so that unimplemented functions fail in release


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17143 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-19 19:49:42 +00:00
Brian Gaeke
849c7b5708 Simplify mapping info generation. In particular, the LLVM-to-MachineInstr map 
is no longer emitted, and we do not reference any MachineCodeForInstruction
information.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17138 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-19 05:15:21 +00:00
Reid Spencer
86d341b204 Initial automake generated Makefile template 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17136 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-18 23:55:41 +00:00
Chris Lattner
7d0974b9a0 Improve compatibility with VC++, patch contributed by Morten Ofstad! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17126 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-18 15:54:17 +00:00
Chris Lattner
963869e41a Print a semicolon for the unreacahble instruction. This fixes problems 
where C requires semicolons in some cases to indicate null statements.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17107 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 23:49:11 +00:00
Nate Begeman
fcf4a42cdf Generate correct stubs for weak-linked symbols 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17101 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 23:01:34 +00:00
Chris Lattner
665825e58e The first hunk corrects a bug when printing undef null values. We would print 
0->field, which is illegal.  Now we print ((foo*)0)->field.

The second hunk is an optimization to not print undefined phi values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17094 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 17:48:59 +00:00
Chris Lattner
611fb259ba Don't print stuff out from the code generator. This broke the JIT horribly 
last night. :)  bork!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17093 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 17:40:50 +00:00
Reid Spencer
ec660ae754 Make the library name SparcV9 specific 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17089 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 15:01:12 +00:00
Reid Spencer
26dde42381 Consolidate the definitions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17088 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 15:00:26 +00:00
Reid Spencer
761920301d PPC32GenCodeEmitter instead of PowerPCGenCodeEmitter 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17087 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 14:59:38 +00:00
Chris Lattner
56a31c69c8 Rewrite support for cast uint -> FP. In particular, we used to compile this: 
double %test(uint %X) {
        %tmp.1 = cast uint %X to double         ; <double> [#uses=1]
        ret double %tmp.1
}

into:

test:
        sub %ESP, 8
        mov %EAX, DWORD PTR [%ESP + 12]
        mov %ECX, 0
        mov DWORD PTR [%ESP], %EAX
        mov DWORD PTR [%ESP + 4], %ECX
        fild QWORD PTR [%ESP]
        add %ESP, 8
        ret

... which basically zero extends to 8 bytes, then does an fild for an
8-byte signed int.

Now we generate this:


test:
        sub %ESP, 4
        mov %EAX, DWORD PTR [%ESP + 8]
        mov DWORD PTR [%ESP], %EAX
        fild DWORD PTR [%ESP]
        shr %EAX, 31
        fadd DWORD PTR [.CPItest_0 + 4*%EAX]
        add %ESP, 4
        ret

        .section .rodata
        .align  4
.CPItest_0:
        .quad   5728578726015270912

This does a 32-bit signed integer load, then adds in an offset if the sign
bit of the integer was set.

It turns out that this is substantially faster than the preceeding sequence.
Consider this testcase:

unsigned a[2]={1,2};
volatile double G;

void main() {
    int i;
    for (i=0; i<100000000; ++i )
        G += a[i&1];
}

On zion (a P4 Xeon, 3Ghz), this patch speeds up the testcase from 2.140s
to 0.94s.

On apoc, an athlon MP 2100+, this patch speeds up the testcase from 1.72s
to 1.34s.

Note that the program takes 2.5s/1.97s on zion/apoc with GCC 3.3 -O3
-fomit-frame-pointer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17083 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 08:01:28 +00:00
Chris Lattner
07306de06e Unify handling of constant pool indexes with the other code paths, allowing 
us to use index registers for CPI's


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17082 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 07:49:45 +00:00
Chris Lattner
0e0ed85697 Give the asmprinter the ability to print memrefs with a constant pool index, 
index reg and scale


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17081 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 07:16:32 +00:00
Chris Lattner
de95c9e0bb fold: 
%X = and Y, constantint
  %Z = setcc %X, 0

instead of emitting:

        and %EAX, 3
        test %EAX, %EAX
        je .LBBfoo2_2   # UnifiedReturnBlock

We now emit:

        test %EAX, 3
        je .LBBfoo2_2   # UnifiedReturnBlock

This triggers 581 times on 176.gcc for example.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17080 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 06:10:40 +00:00
Chris Lattner
9894cd300e All of these labels are off by one now that the unreachable instruction exists 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17079 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 05:37:47 +00:00
Nate Begeman
1b75022cd3 Implement bitfield insert by recognizing the following pattern: 
1. optional shift left
2. and x, immX
3. and y, immY
4. or z, x, y
==> rlwimi z, x, y, shift, mask begin, mask end

where immX == ~immY and immX is a run of set bits. This transformation
fires 32 times on voronoi, once on espresso, and probably several
dozen times on external benchmarks such as gcc.

To put this in terms of actual code generated for
struct B { unsigned a : 3; unsigned b : 2; };
void storeA (struct B *b, int v) { b->a = v;}
void storeB (struct B *b, int v) { b->b = v;}

Old:
_storeA:
        rlwinm r2, r4, 0, 29, 31
        lwz r4, 0(r3)
        rlwinm r4, r4, 0, 0, 28
        or r2, r4, r2
        stw r2, 0(r3)
        blr

_storeB:
        rlwinm r2, r4, 3, 0, 28
        rlwinm r2, r2, 0, 27, 28
        lwz r4, 0(r3)
        rlwinm r4, r4, 0, 29, 26
        or r2, r2, r4
        stw r2, 0(r3)
        blr

New:
_storeA:
        lwz r2, 0(r3)
        rlwimi r2, r4, 0, 29, 31
        stw r2, 0(r3)
        blr

_storeB:
        lwz r2, 0(r3)
        rlwimi r2, r4, 3, 27, 28
        stw r2, 0(r3)
        blr


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17078 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 05:19:20 +00:00
Chris Lattner
7ff5a32a48 I forgot that sparc no longer uses the shared asmwriter. Give it support 
for undef.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17075 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 02:44:45 +00:00
Chris Lattner
d14d5b4223 Add support for unreachable and undef 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17074 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-17 02:42:42 +00:00
Nate Begeman
2d4c98d79b Finally fix one of the oldest FIXMEs in the PowerPC backend: correctly 
flag rotate left word immediate then mask insert (rlwimi) as a two-address
instruction, and update the ISel usage of the instruction accordingly.

This will allow us to properly schedule rlwimi, and use it to efficiently
codegen bitfield operations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17068 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-16 20:43:38 +00:00
Chris Lattner
9270efcc5f Fix fix fix 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17057 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-16 18:21:50 +00:00
Chris Lattner
5a083b81c4 Add support for undef and unreachable 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17051 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-16 18:14:10 +00:00
Chris Lattner
289a49ab7d ADd support for undef and unreachable 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17050 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-16 18:13:47 +00:00
Chris Lattner
30483b0c84 Teach the X86 backend about unreachable and undef. Among other things, we 
now compile:

'foo() {}' into "ret" instead of "mov EAX, 0; ret"


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17049 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-16 18:13:05 +00:00
Chris Lattner
a9d12c0a56 Add support for unreachable and undef 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17048 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-16 18:12:13 +00:00
Chris Lattner
b7a16ce3b1 Add a missing dependency 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17031 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-16 17:12:55 +00:00
Chris Lattner
f146ab1e51 Fix file header 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17030 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-16 16:37:42 +00:00
Chris Lattner
358a9027a8 Instruction select globals with offsets better. For example, on this test 
case:

int C[100];
int foo() {
  return C[4];
}

We now codegen:

foo:
        mov %EAX, DWORD PTR [C + 16]
        ret

instead of:

foo:
        mov %EAX, OFFSET C
        mov %EAX, DWORD PTR [%EAX + 16]
        ret

Other impressive features may be coming later.

This patch is contributed by Jeff Cohen!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17011 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-15 05:05:29 +00:00
Chris Lattner
8cce7cd0ae Give the X86 JIT the ability to encode global+disp constants. Patch 
contributed by Jeff Cohen!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17010 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-15 04:53:13 +00:00
Chris Lattner
d416f086cc Give the X86 asm printer the ability to print out addressing modes that have 
constant displacements from global variables.  Patch by Jeff Cohen!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17009 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-15 04:44:53 +00:00
Chris Lattner
fb3d844e50 Allow X86 addressing modes to represent globals with offsets. Patch contributed 
by Jeff Cohen!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17008 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-15 04:43:20 +00:00
Nate Begeman
e0c83a86b0 Better codegen of binary integer ops with 32 bit immediate operands. 
This transformation fires a few dozen times across the testsuite.

For example, int test2(int X) { return X ^ 0x0FF00FF0; }
Old:
_test2:
        lis r2, 4080
        ori r2, r2, 4080
        xor r3, r3, r2
        blr

New:
_test2:
        xoris r3, r3, 4080
        xori r3, r3, 4080
        blr


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17004 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-15 00:50:19 +00:00
Misha Brukman
d36047dbdb The field is called imm22', not simply imm' 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17003 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-14 22:33:32 +00:00
Misha Brukman
3df04c58fc Synthetic instructions RET and RETL need to have all 3 parameters specified 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17002 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-14 22:32:49 +00:00
Misha Brukman
45a68268a4 Class F2_1 already inherits the imm22 field from class F2 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17001 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-14 22:32:24 +00:00
Misha Brukman
009d3f400c Generate the SparcV8 code emitter from .td files 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17000 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-14 21:57:19 +00:00
Misha Brukman
17187e936a * In the F3_1 class, default asi to 0 because it's not currently used 
* In the F3_3 class, remove mention of asi because it's not part of the format


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16999 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-14 21:53:39 +00:00
Brian Gaeke
59e12ed789 Add FSTOI, FDTOI (fp to integer cast) instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16996 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-14 19:39:35 +00:00
Brian Gaeke
8b6c1ff677 Rewrite emitCastOperation, refactoring parts of it into emitIntegerCast, and 
adding emitFPToIntegerCast.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16995 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-14 19:39:34 +00:00
Brian Gaeke
941833a37c Add list of libc procedures we'll use, at some point. 
Update list of currently failing tests.
ADJCALLSTACK* support is done.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16994 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-14 19:39:33 +00:00
Misha Brukman
c982cfad87 * Claim to support machine code emission - return false from 
addPassesToEmitMachineCode()
* Add support for registers and constants in getMachineOpValue()

This enables running "int main() { ret 0 }" via the PowerPC JIT.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16983 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-14 06:39:56 +00:00
Misha Brukman
d37faba5b4 * Include the real (generated) version of getBinaryCodeForInstr() 
* Add implementation of getMachineOpValue() for generated code emitter
* Convert assert()s in unimplemented functions to abort()s so that non-debug
  builds fail predictably
* Add file header comments


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16981 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-14 06:07:25 +00:00
Misha Brukman
bab2adf496 * Make a PPC32-specific code emitter because we have separate classes for 32- 
and 64-bit code emitters that cannot share code unless we use virtual
  functions
* Identify components being built by tablegen with more detail by assigning them
  to PowerPC, PPC32, or PPC64 more specifically; also avoids seeing 'building
  PowerPC XYZ' messages twice, where one is for PPC32 and one for PPC64


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16980 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-14 06:04:56 +00:00
Tanya Lattner
a645750722 Checking in code that works on my simple test case. However, there is still a bug with branches that I need to fix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16979 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-14 06:04:28 +00:00
Misha Brukman
a671f3b1d4 There is only one field in an instruction, and that is `Inst', the final view of 
the instruction binary format, all others are simply operands and should not
have the `field' label


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16978 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-14 05:55:37 +00:00
Misha Brukman
315d3341fd PowerPC instruction definitions use LittleEndian-style encoding [0..31] 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16977 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-14 05:54:38 +00:00
Misha Brukman
99ee67ab19 Add isLittleEndianEncoding to InstrInfo class, defaults to `off' 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16976 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-14 05:53:40 +00:00
Reid Spencer
d96cb6eaa0 Update to reflect changes in Makefile rules. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16950 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-13 11:46:52 +00:00
Chris Lattner
c71ff4c34b Fix a warning that is emitted on the suns 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16917 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-11 15:50:40 +00:00
Misha Brukman
b15d4c6072 Add ModuloScheduling to the recursive build tree 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16905 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 23:36:09 +00:00