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115 Commits

Author SHA1 Message Date
Chris Lattner
65d007ab62 Add conditional moves for the parity flag. 
llvm-svn: 19437
 2005-01-10 22:09:33 +00:00
Chris Lattner
1aaf8cccb2 ADC and IMUL are also commutable. 
llvm-svn: 19264
 2005-01-03 01:27:59 +00:00
Chris Lattner
0d6f03e52b Two changes here: 
1. Add new instructions for checking parity flags: JP, JNP, SETP, SETNP.
2. Set the isCommutable and isPromotableTo3Address bits on several
   instructions.

llvm-svn: 19246
 2005-01-02 02:35:46 +00:00
John Criswell
402e338f11 Correct the name of stosd for the AT&T syntax: 
It's stosl (l for long == 32 bit).

llvm-svn: 17658
 2004-11-10 04:48:15 +00:00
Chris Lattner
82aa8544a5 Remove debugging code, fix encoding problem. This fixes the problems 
the JIT had last night.

llvm-svn: 16766
 2004-10-06 14:31:50 +00:00
Chris Lattner
acd213fba3 Add some new instructions. Fix the asm string for sbb32rr 
llvm-svn: 16759
 2004-10-06 04:01:02 +00:00
Chris Lattner
5959f4a108 Convert some missed patterns to support AT&T style 
llvm-svn: 16645
 2004-10-04 07:23:07 +00:00
Chris Lattner
a05d9f53bb Apparently the GNU assembler has a HUGE hack to be compatible with really 
old and broken AT&T syntax assemblers.  The problem with this hack is that
*SOME* forms of the fdiv and fsub instructions have the 'r' bit inverted.
This was a real pain to figure out, but is trivially easy to support: thus
we are now bug compatible with gas and gcc.

llvm-svn: 16644
 2004-10-04 07:08:46 +00:00
Chris Lattner
08098895db Fix incorrect suffix 
llvm-svn: 16642
 2004-10-04 05:20:16 +00:00
Chris Lattner
c2fc9597bd Fix some more missed suffixes and swapped operands 
llvm-svn: 16641
 2004-10-04 01:38:10 +00:00
Chris Lattner
7b15a84728 Add missing suffixes to FP instructions for AT&T mode 
llvm-svn: 16640
 2004-10-04 00:43:31 +00:00
Chris Lattner
94780713a8 Add support to the instruction patterns for AT&T style output, which will 
hopefully lead to the death of the 'GasBugWorkaroundEmitter'.  This also
includes changes to wrap the whole file to 80 columns! Woot! :)

Note that the AT&T style output has not been tested at all.

llvm-svn: 16638
 2004-10-03 20:35:00 +00:00
Alkis Evlogimenos
4d2b0a2b5b Use a shorter form to express implicit use/defs in FpGETRESULT and 
FpSETRESULT.

llvm-svn: 16247
 2004-09-08 18:29:31 +00:00
Alkis Evlogimenos
3540de9ea6 A call instruction should implicitely define ST0 since the return 
value is returned in that register. The pseudo instructions
FpGETRESULT and FpSETRESULT shold also have an implicity use and def
of ST0 repsecitvely.

llvm-svn: 16246
 2004-09-08 16:54:54 +00:00
Chris Lattner
5e7e9b6c26 Remove a bunch of ad-hoc target-specific flags that were only used by the 
old asmprinter.

llvm-svn: 15660
 2004-08-11 07:12:04 +00:00
Chris Lattner
3cef2f82ff Add asmprintergen support for the last X86 instruction that needs it: pcrelative calls. 
llvm-svn: 15657
 2004-08-11 06:59:12 +00:00
Chris Lattner
9c171be048 Scrunch memoperands, add a few more for floating point memops 
Eliminate the FPI*m classes, converting them to use FPI instead.

llvm-svn: 15655
 2004-08-11 06:50:10 +00:00
Chris Lattner
b287047c3f Make FPI take asm string and operand list 
llvm-svn: 15653
 2004-08-11 05:54:16 +00:00
Chris Lattner
c304bf7e03 Nuke the Im*i* patterns, by asmprintergenifying all users. 
llvm-svn: 15652
 2004-08-11 05:31:07 +00:00
Chris Lattner
65ab459759 X86 instructions that read-modify-write memory are not LLVM two-address instructions. 
llvm-svn: 15651
 2004-08-11 05:07:25 +00:00
Chris Lattner
384711a69c Get rid of the Im8, Im16, Im32 classes, converting more instructions over to 
asmprintergeneration

llvm-svn: 15650
 2004-08-11 04:31:00 +00:00
Chris Lattner
b66b9cd4a9 Convert asmprinter to new style of instruction printer 
Start asmprintergen'ifying machine instrs with memory operands.

llvm-svn: 15646
 2004-08-11 02:25:00 +00:00
Chris Lattner
5cf0a20d4f This is purely a formatting patch that gets us closer to the mecca of fitting 
X86InstrInfo.td into 80 columns

llvm-svn: 15629
 2004-08-10 21:21:30 +00:00
Chris Lattner
f6c4de46e0 Drop the first argument of FPI, and asmprinterify fxch 
llvm-svn: 15628
 2004-08-10 21:02:13 +00:00
Chris Lattner
97abe28059 This purely mechanical patch gives the "I" tblgen class operand list and asm 
string operands, and adjusts all users to pass them in instead of using II.

llvm-svn: 15624
 2004-08-10 20:17:41 +00:00
Chris Lattner
332fa9be1c Convert Ii32 instructions over to use the asmprinter generator 
llvm-svn: 15621
 2004-08-10 19:06:36 +00:00
Chris Lattner
068209661a Convert the Ii16 instructions over 
llvm-svn: 15606
 2004-08-10 16:22:02 +00:00
Chris Lattner
315782f0ac Convert all Ii8 instructions over to the autogenerated asmprinter. 
llvm-svn: 15605
 2004-08-10 16:09:54 +00:00
Chris Lattner
df7c9d0339 Convert all I<> instructions to asmformat. 
Delete the 'name' field of all instructions that have asmformats.

llvm-svn: 15403
 2004-08-01 09:52:59 +00:00
Chris Lattner
90a4b737dd Eliminate 3 of the X86 printImplicit* flags. 
llvm-svn: 15398
 2004-08-01 08:23:17 +00:00
Chris Lattner
0c5ab21dcd Convert more instructions over to the asmprinter 
llvm-svn: 15396
 2004-08-01 08:13:11 +00:00
Chris Lattner
6c596faddb Switch more instructions over to using the asmprinter. Fix bugs in the emission 
of in/out instructions (missing %'s on registers).

llvm-svn: 15393
 2004-08-01 07:44:35 +00:00
Chris Lattner
9a7b050ebb Specify an asm string and operands lists for a bunch of instructions. 
This only really covers no-operand instructions so far.

llvm-svn: 15387
 2004-08-01 06:01:00 +00:00
Chris Lattner
9bce44c8cc Entirely eliminate all patterns and expanders from this file. We shall go 
with an incremental approach rather than a revolutionary approach.

llvm-svn: 15379
 2004-08-01 03:25:01 +00:00
Chris Lattner
9a23ab1e63 Mark barrier instructions. Execution does not fall through uncond branches 
or return intructions.

llvm-svn: 15356
 2004-07-31 02:10:53 +00:00
Chris Lattner
7d8093efb1 No really, these are dead now 
llvm-svn: 14145
 2004-06-11 04:50:14 +00:00
Chris Lattner
a8e603b719 Now that compare instructions aren't lumped in with the other twoargfp instructions, 
we can get rid of the FpUCOM/FpUCOMi pseudo instructions, which makes stuff simpler
and faster.

llvm-svn: 14144
 2004-06-11 04:49:02 +00:00
Chris Lattner
b050f778ca Introduce a new FP instruction type to separate the compare cases from the 
twoarg cases.

llvm-svn: 14143
 2004-06-11 04:41:24 +00:00
Chris Lattner
4c8b57ea31 Add support for the setp instructions 
llvm-svn: 14140
 2004-06-11 04:30:06 +00:00
Chris Lattner
15ac62827e Add immediate forms of in/out. Use let to shorten lines 
llvm-svn: 12895
 2004-04-13 17:19:31 +00:00
Chris Lattner
43f754339a Fix issues that the local allocator has dealing with instructions that implicitly use ST(0) 
llvm-svn: 12855
 2004-04-12 03:02:48 +00:00
Chris Lattner
9cdc472518 No really, fix printing for LLC. I gotta get a way for CVS to whine at me if 
I have unsaved emacs buffers, geeze...

llvm-svn: 12854
 2004-04-12 01:52:04 +00:00
Chris Lattner
f1d59be0e8 Correct printing for LLC and the encoding for the JIT 
llvm-svn: 12853
 2004-04-12 01:50:04 +00:00
Chris Lattner
cfb7144bf1 Add two new instructions 
llvm-svn: 12850
 2004-04-12 01:38:55 +00:00
Chris Lattner
dda382531e Add some new instructions 
llvm-svn: 12838
 2004-04-11 20:24:15 +00:00
John Criswell
8740c3767d Changes recommended by Chris: 
InstSelectSimple.cpp:
  Change the checks for proper I/O port address size into an exit() instead
  of an assertion.  Assertions aren't used in Release builds, and handling
  this error should be graceful (not that this counts as graceful, but it's
  more graceful).

  Modified the generation of the IN/OUT instructions to have 0 arguments.
X86InstrInfo.td:
  Added the OpSize attribute to the 16 bit IN and OUT instructions.

llvm-svn: 12786
 2004-04-08 22:39:13 +00:00
John Criswell
f6b16ea70b Added the llvm.readport and llvm.writeport intrinsics for x86. These do 
I/O port instructions on x86.  The specific code sequence is tailored to
the parameters and return value of the intrinsic call.
Added the ability for implicit defintions to be printed in the Instruction
Printer.
Added the ability for RawFrm instruction to print implict uses and
defintions with correct comma output.  This required adjustment to some
methods so that a leading comma would or would not be printed.

llvm-svn: 12782
 2004-04-08 20:31:47 +00:00
Chris Lattner
993d6106c7 Fix incorrect encoding of some ADC and SBB instuctions 
llvm-svn: 12710
 2004-04-06 19:20:32 +00:00
Chris Lattner
e84f12a165 The sbb instructions really ARE sbb's, not adc's 
llvm-svn: 12682
 2004-04-06 02:02:11 +00:00
Alkis Evlogimenos
85e007a6dc Fix type in comments 
llvm-svn: 12611
 2004-04-02 16:02:50 +00:00