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f8e408b7b1
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7712 Commits

Author SHA1 Message Date
Chris Lattner
f8e408b7b1 Codegen: 
as:

_bar:
	pushl	%esi
	subl	$8, %esp
	movl	16(%esp), %esi
	call	L_foo$stub
	fstps	(%esi)
	addl	$8, %esp
	popl	%esi
	#FP_REG_KILL
	ret

instead of:

_bar:
	pushl	%esi
	subl	$8, %esp
	movl	16(%esp), %esi
	call	L_foo$stub
	fstpl	(%esi)
	cvtsd2ss	(%esi), %xmm0
	movss	%xmm0, (%esi)
	addl	$8, %esp
	popl	%esi
	#FP_REG_KILL
	ret

llvm-svn: 45401
 2007-12-29 06:57:38 +00:00
Chris Lattner
e3515220d2 avoid going through a stack slot to convert from fpstack to xmm reg 
if we are just going to store it back anyway.  This improves things 
like:
double foo();
void bar(double *P) { *P = foo(); }

llvm-svn: 45399
 2007-12-29 06:41:28 +00:00
Chris Lattner
ac72965e02 add a note 
llvm-svn: 45397
 2007-12-29 05:51:58 +00:00
Chris Lattner
78c7878ca4 expand note. 
llvm-svn: 45393
 2007-12-29 01:05:01 +00:00
Chris Lattner
b8e060f7a6 add a note. 
llvm-svn: 45388
 2007-12-28 22:30:05 +00:00
Chris Lattner
2248a22bda add a note. 
llvm-svn: 45387
 2007-12-28 21:50:40 +00:00
Chris Lattner
e53df84267 add a note 
llvm-svn: 45377
 2007-12-28 04:42:05 +00:00
Chris Lattner
232e097cff add a simple hack 
llvm-svn: 45343
 2007-12-24 19:27:46 +00:00
Gordon Henriksen
3e409a37ac Setting GlobalDirective in TargetAsmInfo by default rather than 
providing a misleading facility. It's used once in the MIPS backend
and hardcoded as "\t.globl\t" everywhere else.

llvm-svn: 45338
 2007-12-23 20:58:16 +00:00
Chris Lattner
a2156b160a fix some warnings. This code needs to be de-tabified :( 
llvm-svn: 45325
 2007-12-22 22:47:03 +00:00
Chris Lattner
1c6a1f71cb fix strict-aliasing violation 
llvm-svn: 45324
 2007-12-22 22:45:38 +00:00
Anton Korobeynikov
4275f59e61 Erm, really disable :) 
llvm-svn: 45319
 2007-12-22 20:46:24 +00:00
Anton Korobeynikov
9f148a1a2a Disable, until we'll really need it 
llvm-svn: 45318
 2007-12-22 20:41:12 +00:00
Evan Cheng
c226a1a7d3 Preliminary PIC JIT support for X86 (32-bit) / Darwin. 
llvm-svn: 45313
 2007-12-22 09:40:20 +00:00
Evan Cheng
5b05d625cd Oops. 
llvm-svn: 45312
 2007-12-22 09:14:34 +00:00
Evan Cheng
8f4ec948d3 Fix JIT code emission of X86::MovePCtoStack. 
llvm-svn: 45307
 2007-12-22 02:26:46 +00:00
Evan Cheng
51f51c7572 Allow JIT with non-static relocation model. 
llvm-svn: 45304
 2007-12-22 01:12:14 +00:00
Anton Korobeynikov
913c80d37f Fix silly typo in the FP CEP handling. 
llvm-svn: 45300
 2007-12-21 23:33:44 +00:00
Duncan Sands
99690fb26c Fix a brain fart by our beloved leader (the content 
of this patch is the last line).

llvm-svn: 45289
 2007-12-21 20:18:41 +00:00
Nicolas Geoffray
1996d8b1f4 Fix unintented change from last commit 
llvm-svn: 45282
 2007-12-21 12:22:29 +00:00
Nicolas Geoffray
18ab237446 Enable EH for linux/ppc32 targets 
llvm-svn: 45281
 2007-12-21 12:19:44 +00:00
Evan Cheng
a111629401 New entry. 
llvm-svn: 45280
 2007-12-21 01:31:58 +00:00
Evan Cheng
eba18a1952 Fix JIT encoding for CMPSD as well. 
llvm-svn: 45268
 2007-12-20 19:57:09 +00:00
Scott Michel
5cbdbd26a8 More working CellSPU tests: 
- vec_const.ll: Vector constant loads
- immed64.ll: i64, f64 constant loads

llvm-svn: 45242
 2007-12-20 00:44:13 +00:00
Dale Johannesen
f93ea63eaa Enable EH on PPC Darwin. This basically works; there 
are a couple of issues that show up with the optimizer,
but I don't think they're really EH problems.
(llvm-gcc testsuite users note:  By default the testsuite
uses the unwinding code that's built as part of your local
llvm-gcc, which does not work.  You need to trick it into
using the installed system unwinding code to get useful
results.)

llvm-svn: 45221
 2007-12-19 21:54:36 +00:00
Scott Michel
83ac96e27d CellSPU testcase, extract_elt.ll: extract vector element. 
llvm-svn: 45219
 2007-12-19 21:17:42 +00:00
Scott Michel
6cb9f6d20c Two more test cases: or_ops.ll (arithmetic or operations) and vecinsert.ll 
(vector insertions)

llvm-svn: 45216
 2007-12-19 20:15:47 +00:00
Scott Michel
d4d96bb6f6 Add new immed16.ll test case, fix CellSPU errata to make test case work. 
llvm-svn: 45196
 2007-12-19 07:35:06 +00:00
Bill Wendling
ce9eae6687 Mark the "isRemat" instruction as never having side effects. 
llvm-svn: 45190
 2007-12-19 06:07:48 +00:00
Chris Lattner
93d750bbe3 add an obvious load folding missed optzn. 
llvm-svn: 45161
 2007-12-18 16:48:14 +00:00
Christopher Lamb
aeb76743dc Fold certain additions through selects (and their compares) so as to eliminate subtractions. This code is often produced by the SMAX expansion in SCEV. 
This implements test/Transforms/InstCombine/2007-12-18-AddSelCmpSub.ll

llvm-svn: 45158
 2007-12-18 09:34:41 +00:00
Chris Lattner
ad090a712a add a missed case. 
llvm-svn: 45141
 2007-12-18 01:19:18 +00:00
Bill Wendling
e5af8b6e5c Add "mayHaveSideEffects" and "neverHasSideEffects" flags to some instructions. I 
based what flag to set on whether it was already marked as
"isRematerializable". If there was a further check to determine if it's "really"
rematerializable, then I marked it as "mayHaveSideEffects" and created a check
in the X86 back-end similar to the remat one.

llvm-svn: 45132
 2007-12-17 23:07:56 +00:00
Scott Michel
4f980e1acd - Restore some i8 functionality in CellSPU 
- New test case: nand.ll

llvm-svn: 45130
 2007-12-17 22:32:34 +00:00
Bill Wendling
b33d6155da LD_Fp64m should have "isRematerializable" set. 
llvm-svn: 45128
 2007-12-17 22:17:14 +00:00
Bill Wendling
ec8be72a8b As per feedback, revised comments to (hopefully) make the different side effect 
flags clearer.

llvm-svn: 45120
 2007-12-17 21:02:07 +00:00
Christopher Lamb
a608afb52e Change the PointerType api for creating pointer types. The old functionality of PointerType::get() has become PointerType::getUnqual(), which returns a pointer in the generic address space. The new prototype of PointerType::get() requires both a type and an address space. 
llvm-svn: 45082
 2007-12-17 01:12:55 +00:00
Chris Lattner
5e2b033d30 don't violate C TBAA rules, use FloatToBits instead. 
llvm-svn: 45076
 2007-12-16 20:41:33 +00:00
Chris Lattner
f04ce286e2 fix a questionable cast, thanks to Mike Stump for pointing this out. 
llvm-svn: 45075
 2007-12-16 20:26:54 +00:00
Chris Lattner
c6fd78dec1 Fix the JIT encoding of cmp*ss, which aborts with this assertion currently: 
X86CodeEmitter.cpp:378: failed assertion `0 && "Immediate size not set!"'

I *think* this is right, but Evan, please verify.  It also looks like
CMPSDrr and maybe others are missing this info.  Evan, plz investigate.

llvm-svn: 45074
 2007-12-16 20:12:41 +00:00
Evan Cheng
1d95b669b6 Make better use of instructions that clear high bits; fix various 2-wide shuffle bugs. 
llvm-svn: 45058
 2007-12-15 03:00:47 +00:00
Scott Michel
307f334014 Start committing working test cases for CellSPU. 
llvm-svn: 45050
 2007-12-15 00:38:50 +00:00
Evan Cheng
55e450d6eb Actually, MOVPQIto64mr is a dup of MOVPQI2QImr, MOV64toPQIrm is a dup of MOVQI2PQIrm. 
llvm-svn: 45041
 2007-12-14 20:08:14 +00:00
Evan Cheng
0a36fa6625 Fix (mem) <-> low 64-bits of xmm bugs pointed out by David Greene. Mac OS X Leopard assembler recognizes movq. 
llvm-svn: 45040
 2007-12-14 19:54:07 +00:00
Dale Johannesen
1e083ec1f6 x86-32 long doubles are 4-byte aligned on the stack 
for parameter passing (only for that, on Darwin).

llvm-svn: 45038
 2007-12-14 19:25:34 +00:00
Evan Cheng
42f27a28a4 Fix bsf / bsr jit encoding. 
llvm-svn: 45037
 2007-12-14 18:49:43 +00:00
Evan Cheng
375141a82d Oops. Forgot these. 
llvm-svn: 45036
 2007-12-14 18:25:34 +00:00
Dan Gohman
0efc49e9b8 Fix Intel asm syntax for the bsr and bsf instructions. 
llvm-svn: 45030
 2007-12-14 15:10:00 +00:00
Evan Cheng
6909ff8c4b Fix ctlz and cttz. llvm definition requires them to return number of bits in of the src type when value is zero. 
llvm-svn: 45029
 2007-12-14 08:30:15 +00:00
Evan Cheng
51cf86ded0 Implement ctlz and cttz with bsr and bsf. 
llvm-svn: 45024
 2007-12-14 02:13:44 +00:00