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1278 Commits

Author SHA1 Message Date
Evan Cheng
4d9bab5789 Add truncstore i1 patterns. 
llvm-svn: 25296
 2006-01-13 21:45:19 +00:00
Chris Lattner
b839f31954 Fix a bug in my last X86 checkin, pointed out by cozmic 
llvm-svn: 25293
 2006-01-13 20:19:44 +00:00
Evan Cheng
a26ed7b9b2 LHS = X86ISD::CMOVcc LHS, RHS means LHS = RHS if cc. So the operands must be 
flipped around.

llvm-svn: 25290
 2006-01-13 19:51:46 +00:00
Chris Lattner
344642961e Enable X86 support for savestack/restorestack 
llvm-svn: 25278
 2006-01-13 18:00:54 +00:00
Chris Lattner
80fed2d66e expand unsupported stacksave/stackrestore nodes 
llvm-svn: 25272
 2006-01-13 02:42:53 +00:00
Evan Cheng
e43fbe0d93 Minor update. 
llvm-svn: 25263
 2006-01-13 01:20:42 +00:00
Evan Cheng
bed984a1c8 More typo's. I need new eye glasses... 
llvm-svn: 25261
 2006-01-13 01:17:24 +00:00
Evan Cheng
ae2915ac91 Oops. Typo. 
llvm-svn: 25260
 2006-01-13 01:06:49 +00:00
Evan Cheng
3f2ae15472 Fix a SETCC / BRCOND folding bug. 
llvm-svn: 25259
 2006-01-13 01:03:02 +00:00
Evan Cheng
794a7cf6fe Fix sint_to_fp (fild*) support. 
llvm-svn: 25257
 2006-01-12 22:54:21 +00:00
Evan Cheng
169206c67f Specify transformation from GlobalAddress to TargetGlobalAddress and 
ExternalSymbol to TargetExternalSymbol.

llvm-svn: 25253
 2006-01-12 19:36:31 +00:00
Evan Cheng
978f5581c4 X86ISD::SETCC (e.g. SETEr) produces a flag (so multiple SETCC can be 
linked together).

llvm-svn: 25247
 2006-01-12 08:27:59 +00:00
Evan Cheng
dd45d29b56 * Materialize GlobalAddress and ExternalSym with MOV32ri rather than 
LEA32r.
* Do not lower GlobalAddress to TargetGlobalAddress. Let isel does it.

llvm-svn: 25246
 2006-01-12 07:56:47 +00:00
Evan Cheng
5841005bdf Added ROTL and ROTR. 
llvm-svn: 25232
 2006-01-11 23:20:05 +00:00
Evan Cheng
66540aa32c Support for MEMCPY and MEMSET. 
llvm-svn: 25226
 2006-01-11 22:15:48 +00:00
Evan Cheng
3c3391632d Select DYNAMIC_STACKALLOC 
llvm-svn: 25225
 2006-01-11 22:15:18 +00:00
Nate Begeman
cff96008ac Add bswap, rotl, and rotr nodes 
Add dag combiner code to recognize rotl, rotr
Add ppc code to match rotl

Targets should add rotl/rotr patterns if they have them

llvm-svn: 25222
 2006-01-11 21:21:00 +00:00
Evan Cheng
e42281bcba * Add special entry code main() (to set x87 to 64-bit precision). 
* Allow a register node as SelectAddr() base.
* ExternalSymbol -> TargetExternalSymbol as direct function callee.
* Use X86::ESP register rather than CopyFromReg(X86::ESP) as stack ptr for
  call parmater passing.

llvm-svn: 25207
 2006-01-11 06:09:51 +00:00
Chris Lattner
1d0926075f implement FP_REG_KILL insertion for the dag-dag instruction selector 
llvm-svn: 25192
 2006-01-11 01:15:34 +00:00
Chris Lattner
b4e9082f18 Fit into 80 cols 
llvm-svn: 25191
 2006-01-11 00:46:55 +00:00
Evan Cheng
9adc8e5a3d SSE cmov support. 
llvm-svn: 25190
 2006-01-11 00:33:36 +00:00
Evan Cheng
0cb5e32cda * fp to sint patterns. 
* fiadd, fisub, etc.

llvm-svn: 25189
 2006-01-10 22:22:02 +00:00
Evan Cheng
8504673bb2 FP_TO_INT*_IN_MEM and x87 FP Select support. 
llvm-svn: 25188
 2006-01-10 20:26:56 +00:00
Evan Cheng
154cef5ccb * Added undef patterns. 
* Some reorg.

llvm-svn: 25163
 2006-01-09 23:10:28 +00:00
Evan Cheng
c0b3a2166b More typos 
llvm-svn: 25162
 2006-01-09 22:29:54 +00:00
Evan Cheng
5baec4d0e2 typo 
llvm-svn: 25160
 2006-01-09 20:49:21 +00:00
Evan Cheng
d3babfe458 Support for ADD_PARTS, SUB_PARTS, SHL_PARTS, SHR_PARTS, and SRA_PARTS. 
llvm-svn: 25158
 2006-01-09 18:33:28 +00:00
Evan Cheng
6a9c735e21 * Added integer div / rem. 
* Fixed a load folding bug.

llvm-svn: 25136
 2006-01-06 23:19:29 +00:00
Evan Cheng
060b19c708 ISEL code for MULHU, MULHS, and UNDEF. 
llvm-svn: 25132
 2006-01-06 20:36:21 +00:00
Chris Lattner
88239024ca silence a bogus gcc warning 
llvm-svn: 25129
 2006-01-06 17:56:38 +00:00
Evan Cheng
66355df170 Addd (shl x, 1) ==> (shl x, x) peepholes. 
llvm-svn: 25123
 2006-01-06 02:31:59 +00:00
Evan Cheng
efe621adce fold (shl x, 1) -> (add x, x) 
llvm-svn: 25120
 2006-01-06 01:06:31 +00:00
Evan Cheng
1e0d7b98f3 * Fast call support. 
* FP cmp, setcc, etc.

llvm-svn: 25117
 2006-01-06 00:43:03 +00:00
Evan Cheng
6c86cf3a5f Added ConstantFP patterns. 
llvm-svn: 25108
 2006-01-05 02:08:37 +00:00
Jim Laskey
41b3ee3c4f Had expand logic backward. 
llvm-svn: 25105
 2006-01-05 01:47:43 +00:00
Jim Laskey
5eddaee9f3 Added initial support for DEBUG_LABEL allowing debug specific labels to be 
inserted in the code.

llvm-svn: 25104
 2006-01-05 01:25:28 +00:00
Evan Cheng
2329411038 DAG based isel call support. 
llvm-svn: 25103
 2006-01-05 00:27:02 +00:00
Chris Lattner
cee6093ca8 Fix a problem duraid pointed out to me compiling kc++ with -enable-x86-fastcc 
llvm-svn: 25024
 2005-12-27 03:02:18 +00:00
Evan Cheng
231b11ba87 Added field noResults to Instruction. 
Currently tblgen cannot tell which operands in the operand list are results so
it assumes the first one is a result. This is bad. Ideally we would fix this
by separating results from inputs, e.g. (res R32:$dst),
(ops R32:$src1, R32:$src2). But that's a more distruptive change. Adding
'let noResults = 1' is the workaround to tell tblgen that the instruction does
not produces a result. It works for now since tblgen does not support
instructions which produce multiple results.

llvm-svn: 25017
 2005-12-26 09:11:45 +00:00
Evan Cheng
cd69c81c5e Let the helper functions know about X86::FR32RegClass and X86::FR64RegClass. 
llvm-svn: 25004
 2005-12-24 09:48:35 +00:00
Evan Cheng
d87688fe72 * Removed the use of FLAG. Now use hasFlagIn and hasFlagOut instead. 
* Added a pseudo instruction (for each target) that represent "return void".
  This is a workaround for lack of optional flag operand (return void is not
  lowered so it does not have a flag operand.)

llvm-svn: 24997
 2005-12-23 22:14:32 +00:00
Evan Cheng
995503fc91 More X86 floating point patterns. 
llvm-svn: 24990
 2005-12-23 07:31:11 +00:00
Chris Lattner
8e80a247ff make sure bit_convert's are expanded 
llvm-svn: 24979
 2005-12-23 05:15:23 +00:00
Evan Cheng
e458553c73 Bye bye HACKTROCITY. 
llvm-svn: 24935
 2005-12-22 02:26:21 +00:00
Evan Cheng
fb6413e05a * Fix a GlobalAddress lowering bug. 
* Teach DAG combiner about X86ISD::SETCC by adding a TargetLowering hook.

llvm-svn: 24921
 2005-12-21 23:05:39 +00:00
Evan Cheng
add305de26 Oops. Accidentally deleted RET pattern. It's still needed for return void; 
llvm-svn: 24920
 2005-12-21 22:22:16 +00:00
Jim Laskey
d82881490c Disengage DEBUG_LOC from non-PPC targets. 
llvm-svn: 24919
 2005-12-21 20:51:37 +00:00
Evan Cheng
6f15189a77 * Added support for X86 RET with an additional operand to specify number of 
bytes to pop off stack.
* Added support for X86 SETCC.

llvm-svn: 24917
 2005-12-21 20:21:51 +00:00
Chris Lattner
347c6eedae This was meant to go in 
llvm-svn: 24900
 2005-12-21 07:50:26 +00:00
Chris Lattner
884def40f4 Rewrite FP stackifier support in the X86InstrInfo.td file, splitting patterns 
that were overloaded to work before and after the stackifier runs.  With the
new clean world, it is possible to write patterns for these instructions: woo!

This also adds a few simple patterns here and there, though there are a lot
still missing.  These should be easy to add though. :)

See the comments under "Floating Point Stack Support" for more details on
the new world order.

This patch as absolutely no effect on the generated code, woo!

llvm-svn: 24899
 2005-12-21 07:47:04 +00:00