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Commit Graph

1252 Commits

Author SHA1 Message Date
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
Chris Lattner
ee15b5393f Wrap some long lines: no functionality change
llvm-svn: 24898
2005-12-21 05:34:58 +00:00
Evan Cheng
cab6710034 Remove ISD::RET select code. Now tblgen'd.
llvm-svn: 24889
2005-12-21 02:41:57 +00:00
Evan Cheng
0226113ed5 * Added lowering hook for external weak global address. It inserts a load
for Darwin.
* Added lowering hook for ISD::RET. It inserts CopyToRegs for the return
  value (or store / fld / copy to ST(0) for floating point value). This
  eliminate the need to write C++ code to handle RET with variable number
  of operands.

llvm-svn: 24888
2005-12-21 02:39:21 +00:00
Evan Cheng
ace8f1fafa SSE2 floating point load / store patterns. SSE2 fp to int conversion patterns.
llvm-svn: 24886
2005-12-20 22:59:51 +00:00
Evan Cheng
1c3ea75ffc Added X86 readport patterns.
llvm-svn: 24879
2005-12-20 07:38:38 +00:00
Evan Cheng
44e4e6a57f Added a hook to print out names of target specific DAG nodes.
llvm-svn: 24877
2005-12-20 06:22:03 +00:00
Evan Cheng
bb34a50cb0 X86 conditional branch support.
llvm-svn: 24870
2005-12-19 23:12:38 +00:00
Evan Cheng
c87099506c It's essential we clear CodeGenMap after isel every basic block!
llvm-svn: 24867
2005-12-19 22:36:02 +00:00
Chris Lattner
399dfec939 eliminate some redundancy
llvm-svn: 24781
2005-12-17 19:47:05 +00:00
Evan Cheng
56649f9616 Darwin API issue: indirect load of external and weak symbols.
llvm-svn: 24775
2005-12-17 09:13:43 +00:00
Evan Cheng
a3ff796fda Remove a few lines of dead code.
llvm-svn: 24768
2005-12-17 07:18:44 +00:00
Evan Cheng
de142995a1 Added an idea about any_extend for performance tuning.
llvm-svn: 24763
2005-12-17 06:54:43 +00:00
Evan Cheng
c308dfb801 Added truncate.
llvm-svn: 24760
2005-12-17 02:02:50 +00:00
Evan Cheng
6a94c77c55 Added anyext, modelled as zext on X86.
llvm-svn: 24759
2005-12-17 01:47:57 +00:00
Evan Cheng
19550821d1 Added some isel ideas.
llvm-svn: 24757
2005-12-17 01:25:19 +00:00
Evan Cheng
5d90b26707 Added support for cmp, test, and conditional move instructions.
llvm-svn: 24756
2005-12-17 01:24:02 +00:00
Evan Cheng
566600c17d Only lower SELECT when using DAG based isel.
llvm-svn: 24755
2005-12-17 01:22:13 +00:00
Evan Cheng
d51da93a03 X86 lowers SELECT to a cmp / test followed by a conditional move.
llvm-svn: 24754
2005-12-17 01:21:05 +00:00
Chris Lattner
71443a0e36 Don't globalize internal functions
llvm-svn: 24727
2005-12-16 00:07:30 +00:00
Evan Cheng
43152cb8b6 * Promote all 1 bit entities to 8 bit.
* Handling extload (1 bit -> 8 bit) and remove C++ code that handle 1 bit
zextload.

llvm-svn: 24726
2005-12-15 19:49:23 +00:00
Evan Cheng
f72e7055c0 Added frameindex, constpool, globaladdr, and externalsym as root nodes of
leaaddr.

llvm-svn: 24724
2005-12-15 08:31:04 +00:00
Evan Cheng
cc6efa8b6f Handling zero extension of 1 bit value.
llvm-svn: 24722
2005-12-15 01:02:48 +00:00
Evan Cheng
576b826f71 Use MOV8rm to load 1 bit value.
llvm-svn: 24721
2005-12-15 00:59:17 +00:00
Evan Cheng
40e397521c Fixed a typo: line 2323: MOVSX16rm8 -> MOVZX16rm8. This was the cause fo 12/14/2005 hbd failure.
llvm-svn: 24717
2005-12-14 22:28:18 +00:00
Evan Cheng
3b094e89fb Added sext and zext patterns.
llvm-svn: 24705
2005-12-14 02:22:27 +00:00
Evan Cheng
ad1e2fd14a Add load + store folding srl and sra patterns.
llvm-svn: 24696
2005-12-13 07:24:22 +00:00