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17 Commits

Author SHA1 Message Date
Evan Cheng 5c59d49630 More X86 floating point patterns. 
llvm-svn: 24990
 2005-12-23 07:31:11 +00:00
Chris Lattner 30107e65c8 make sure bit_convert's are expanded 
llvm-svn: 24979
 2005-12-23 05:15:23 +00:00
Evan Cheng 9cdc16c6d3 * 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
Jim Laskey 9e296bee9a Disengage DEBUG_LOC from non-PPC targets. 
llvm-svn: 24919
 2005-12-21 20:51:37 +00:00
Evan Cheng c1583dbd63 * 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
Evan Cheng a74ce62746 * 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 6af02635a7 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 6fc31046aa X86 conditional branch support. 
llvm-svn: 24870
 2005-12-19 23:12:38 +00:00
Evan Cheng f3b16bc5a0 Remove a few lines of dead code. 
llvm-svn: 24768
 2005-12-17 07:18:44 +00:00
Evan Cheng 225a4d0d6d X86 lowers SELECT to a cmp / test followed by a conditional move. 
llvm-svn: 24754
 2005-12-17 01:21:05 +00:00
Evan Cheng 74151ba279 * 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
Chris Lattner 3225733e65 X86 doesn't support sextinreg for 8-bit things either. 
llvm-svn: 24631
 2005-12-07 17:59:14 +00:00
Chris Lattner 9c415364cf No targets support line number info yet. 
llvm-svn: 24513
 2005-11-29 06:16:21 +00:00
Chris Lattner 6c1ca888d4 Lower READCYCLECOUNTER correctly, preserving the chain result 
llvm-svn: 24438
 2005-11-20 22:57:19 +00:00
Chris Lattner 6df9e11989 use chain operands to ensure the copies don't wander from the rdtsc instruction. 
llvm-svn: 24434
 2005-11-20 22:01:40 +00:00
Andrew Lenharth 0bf68ae434 The second patch of X86 support for read cycle counter. 
llvm-svn: 24430
 2005-11-20 21:41:10 +00:00
Chris Lattner 76ac068568 Separate X86ISelLowering stuff out from the X86ISelPattern.cpp file. Patch 
contributed by Evan Cheng.

llvm-svn: 24358
 2005-11-15 00:40:23 +00:00