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2094 Commits

Author SHA1 Message Date
Evan Cheng
1cf362ec18 Unbreak x86-64 build. 
llvm-svn: 30990
 2006-10-16 22:53:28 +00:00
Evan Cheng
04bec886a9 Added a X86CompilationCallback variant which saves XMM argument registers for targets with SSE. 
llvm-svn: 30986
 2006-10-16 21:01:55 +00:00
Evan Cheng
b4d8323e54 Proper fix for rdar://problem/4770604 Thanks to Stuart Hastings! 
llvm-svn: 30985
 2006-10-16 21:00:37 +00:00
Evan Cheng
ca5eaf4020 Avoid getting into an infinite loop when -disable-x86-shuffle-opti is specified. 
llvm-svn: 30974
 2006-10-16 06:36:00 +00:00
Evan Cheng
c73547a71d SelectScalarSSELoad should call CanBeFoldedBy as well. 
llvm-svn: 30973
 2006-10-16 06:34:55 +00:00
Anton Korobeynikov
61d88967b9 Align stack size to DWORD boundary 
llvm-svn: 30964
 2006-10-14 20:53:35 +00:00
Evan Cheng
6c8de88f88 Corrected load folding check. We need to start from the root of the sub-dag 
being matched and ensure there isn't a non-direct path to the load (i.e. a
path that goes out of the sub-dag.)

llvm-svn: 30958
 2006-10-14 08:33:25 +00:00
Evan Cheng
fe5bb5dbe6 Merge ISD::TRUNCSTORE to ISD::STORE. Switch to using StoreSDNode. 
llvm-svn: 30945
 2006-10-13 21:14:26 +00:00
Chris Lattner
bea7a9de50 remove some dead code 
llvm-svn: 30938
 2006-10-13 20:40:42 +00:00
Chris Lattner
9777da8fb7 add a note 
llvm-svn: 30921
 2006-10-12 22:01:26 +00:00
Evan Cheng
76d365ac84 Doh. This wasn't causing problems by luck. 
llvm-svn: 30914
 2006-10-12 19:13:59 +00:00
Evan Cheng
d07e2f081a Some X86ISD::CMP were created with wrong ValueType's. 
llvm-svn: 30913
 2006-10-12 19:12:56 +00:00
Chris Lattner
b25677f5ca Move the Imp tblgen class from the X86 backend to common code. 
llvm-svn: 30907
 2006-10-12 17:49:27 +00:00
Chris Lattner
a678c5bac1 Mark ADJCALLSTACKUP/DOWN as clobbering ESP so that virtregmap will notice 
that it can't assume ESP is unmodified across the instrs.

llvm-svn: 30905
 2006-10-12 17:42:56 +00:00
Chris Lattner
fde6859201 fix compilation failure of smg2000 
llvm-svn: 30900
 2006-10-12 03:55:48 +00:00
Chris Lattner
502246c4a6 Fold "zero extending vector loads" now that evan added the chain manip stuff. 
This compiles both tests in X86/vec_ss_load_fold.ll into:

_test1:
        movss 4(%esp), %xmm0
        subss LCPI1_0, %xmm0
        mulss LCPI1_1, %xmm0
        minss LCPI1_2, %xmm0
        xorps %xmm1, %xmm1
        maxss %xmm1, %xmm0
        cvttss2si %xmm0, %eax
        andl $65535, %eax
        ret

instead of:

_test1:
        movss LCPI1_0, %xmm0
        movss 4(%esp), %xmm1
        subss %xmm0, %xmm1
        movss LCPI1_1, %xmm0
        mulss %xmm0, %xmm1
        movss LCPI1_2, %xmm0
        minss %xmm0, %xmm1
        xorps %xmm0, %xmm0
        maxss %xmm0, %xmm1
        cvttss2si %xmm1, %eax
        andl $65535, %eax
        ret

llvm-svn: 30894
 2006-10-11 22:09:58 +00:00
Evan Cheng
95140c9c64 ComplexPatterns sse_load_f32 and sse_load_f64 returns in / out chain operands. 
llvm-svn: 30892
 2006-10-11 21:06:01 +00:00
Evan Cheng
ca66f49574 Add properties to ComplexPattern. 
llvm-svn: 30891
 2006-10-11 21:03:53 +00:00
Evan Cheng
b2998e15f2 More isel time load folding checking for nodes that produce flag values. 
See comment in CanBeFoldedBy() for detailed explanation.

llvm-svn: 30851
 2006-10-10 01:46:56 +00:00
Evan Cheng
d1a37cb9dc Don't go too crazy with these AddComplexity. Try matching shufps with load 
folding first.

llvm-svn: 30848
 2006-10-09 21:42:15 +00:00
Evan Cheng
8f6c6b19e6 Don't convert to MOVLP if using shufps etc. may allow load folding. 
llvm-svn: 30847
 2006-10-09 21:39:25 +00:00
Evan Cheng
d22f3dd3ed Reflects ISD::LOAD / ISD::LOADX / LoadSDNode changes. 
llvm-svn: 30844
 2006-10-09 20:57:25 +00:00
Chris Lattner
3cd1d08ac6 completely disable folding of loads into scalar sse instructions and provide 
a framework for doing it right.  This fixes
CodeGen/X86/2006-10-07-ScalarSSEMiscompile.ll.

Once X86DAGToDAGISel::SelectScalarSSELoad is implemented right, this task
will be done.

llvm-svn: 30817
 2006-10-07 21:55:32 +00:00
Chris Lattner
a51aea84b8 convert packed FP add/sub/mul/div to use a multiclass. 
llvm-svn: 30815
 2006-10-07 21:17:13 +00:00
Chris Lattner
da75127cea one multiclass now defines all 8 variants of binary-scalar-sse-fp operations. 
llvm-svn: 30814
 2006-10-07 20:55:57 +00:00
Chris Lattner
8ce6993f53 Switch ADD/MUL/DIV/SUB scalarsse fp ops to a multiclass 
llvm-svn: 30813
 2006-10-07 20:35:44 +00:00
Chris Lattner
ec39f5bcd5 Random acts of shrinkage 
llvm-svn: 30812
 2006-10-07 19:49:05 +00:00
Chris Lattner
8e3aa16298 Convert pand/por/pxor to use multiclass 
llvm-svn: 30811
 2006-10-07 19:37:30 +00:00
Chris Lattner
33aecdebfc Convert some more instructions over to use a new multiclass. 
Fix a bug where the asmstring for PSUBQrm was wrong.

llvm-svn: 30810
 2006-10-07 19:34:33 +00:00
Chris Lattner
260659336a Fix a bug where PADDQrm printed paddd instead of paddq. 
llvm-svn: 30809
 2006-10-07 19:15:46 +00:00
Chris Lattner
0122bfac98 Add multiclass for SSE2 instructions that correspond to simple binops. 
llvm-svn: 30808
 2006-10-07 19:14:49 +00:00
Chris Lattner
db12d69657 rename: 
PDI_binop_rm -> PDI_binop_rm_int
  PDI_binop_rmi -> PDI_binop_rmi_int

to make it clear that these are for use with intrinsics.

llvm-svn: 30807
 2006-10-07 19:02:31 +00:00
Chris Lattner
36709eed45 Convert saturating PADD/PSUB's to use a multiclass 
llvm-svn: 30806
 2006-10-07 18:48:46 +00:00
Chris Lattner
d5d4378010 Convert PAVG*, PMADDWD, and PMUL* to use multiclasses. 
llvm-svn: 30805
 2006-10-07 18:39:00 +00:00
Chris Lattner
753ec9950a Fix typo in packsswb instr definition, where the load had the wrong type. 
This allows us to use the multiclass for other packs.

llvm-svn: 30804
 2006-10-07 18:23:58 +00:00
Chris Lattner
59bf33e5e4 handle pmin/pmax with multiclasses 
llvm-svn: 30800
 2006-10-07 07:49:33 +00:00
Chris Lattner
2177d324c5 simplify pack and shift intrinsics with multiclasses 
llvm-svn: 30797
 2006-10-07 07:06:17 +00:00
Chris Lattner
31eb3af1a8 Use a multiclass to simplify 'SSE2 Integer comparison' 
llvm-svn: 30796
 2006-10-07 06:47:08 +00:00
Chris Lattner
7cde5d8820 move class defns close to uses to make it easier to read 
llvm-svn: 30795
 2006-10-07 06:33:36 +00:00
Chris Lattner
2842be4e37 simplify horizontal op definitions 
llvm-svn: 30794
 2006-10-07 06:31:41 +00:00
Chris Lattner
b3b659492b remove more unneeded type info 
llvm-svn: 30793
 2006-10-07 06:27:03 +00:00
Chris Lattner
8a2d78d3cf remove unneeded definitions and type info 
llvm-svn: 30792
 2006-10-07 06:19:41 +00:00
Chris Lattner
a75da38d99 remove some unneeded type info 
llvm-svn: 30791
 2006-10-07 06:17:43 +00:00
Chris Lattner
d704b454b9 simplify patterns by merging in operand info 
llvm-svn: 30790
 2006-10-07 05:50:25 +00:00
Chris Lattner
bf6419cef6 Factor operands into packed unary classes 
llvm-svn: 30789
 2006-10-07 05:47:20 +00:00
Chris Lattner
06c9aa41f1 remove dead/duplicate instructions 
llvm-svn: 30788
 2006-10-07 05:41:52 +00:00
Chris Lattner
72b130720d Pull operand info up into parent class for scalar sse intrinsics. 
llvm-svn: 30787
 2006-10-07 05:26:13 +00:00
Chris Lattner
cf13d058a3 convert the sole sd unary intrinsic to a multiclass for consistency 
llvm-svn: 30786
 2006-10-07 05:19:31 +00:00
Chris Lattner
67ea3292d2 pull operand string into the multiclass 
llvm-svn: 30785
 2006-10-07 05:13:26 +00:00
Chris Lattner
e234302d01 Remove RSQRTSS[rm] RCPSS[rm], which are dead. 
Introduce SS_IntUnary, a multiclass to replace SS_Int[rm].

llvm-svn: 30784
 2006-10-07 05:09:48 +00:00