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ecf21d8132
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115 Commits

Author SHA1 Message Date
Craig Topper
ecf21d8132 Add X86 assembler and disassembler support for AMD SVM instructions. Original patch by Kay Tiong Khoo. Few tweaks by me for code density and to reduce replication. 
llvm-svn: 150873
 2012-02-18 08:19:49 +00:00
Eli Bendersky
4afdeeb682 Replace all instances of dg.exp file with lit.local.cfg, since all tests are run with LIT now and now Dejagnu. dg.exp is no longer needed. 
Patch reviewed by Daniel Dunbar. It will be followed by additional cleanup patches.

llvm-svn: 150664
 2012-02-16 06:28:33 +00:00
Devang Patel
be1817e3e0 Intel syntax. Adjust special code, used to recognize cmp<comparison code>{ss,sd,ps,pd}, for intel syntax. 
llvm-svn: 149291
 2012-01-30 22:47:12 +00:00
Devang Patel
a5bfdedb9f Intel syntax. Support .intel_syntax directive. 
llvm-svn: 149270
 2012-01-30 20:02:42 +00:00
Devang Patel
e4725ba181 Intel Syntax: Parse mem operand with seg reg. QWORD PTR FS:[320] 
llvm-svn: 149142
 2012-01-27 19:48:28 +00:00
Devang Patel
0da753c9e6 Intel Syntax: Extend special hand coded logic, to recognize special instructions, for intel syntax. 
llvm-svn: 148864
 2012-01-24 21:43:36 +00:00
Devang Patel
327773a25b Intel syntax: Robustify parsing of memory operand's displacement experssion. 
llvm-svn: 148737
 2012-01-23 22:35:25 +00:00
Devang Patel
3c6289f43a Intel syntax: Parse memory operand with empty base reg, e.g. DWORD PTR [4*RDI] 
llvm-svn: 148721
 2012-01-23 20:20:06 +00:00
Devang Patel
9698de5bf3 Intel syntax: Parse segment registers. 
llvm-svn: 148712
 2012-01-23 18:31:58 +00:00
Devang Patel
0ecda3fc14 Intel syntax: Robustify register parsing. 
llvm-svn: 148591
 2012-01-20 22:32:05 +00:00
Devang Patel
0638a44a24 Intel syntax: Parse ... PTR [-8] 
llvm-svn: 148570
 2012-01-20 21:21:01 +00:00
Devang Patel
e836c95860 Intel syntax: For now, disable ambiguous JMP64pcrel32 for intel syntax. 
llvm-svn: 148569
 2012-01-20 21:14:06 +00:00
Devang Patel
b42cea31aa Post process 'and', 'sub' instructions and select better encoding, if available. 
llvm-svn: 148489
 2012-01-19 18:40:55 +00:00
Devang Patel
27ef211648 Intel syntax: There is no need to create unary expr for simple negative displacement. 
llvm-svn: 148486
 2012-01-19 18:15:51 +00:00
Devang Patel
999eaa4b85 Post process 'xor', 'or' and 'cmp' instructions and select better encoding, if available. 
llvm-svn: 148485
 2012-01-19 17:53:25 +00:00
Devang Patel
ee49d825b1 Process instructions after match to select alternative encoding which may be more desirable. 
llvm-svn: 148431
 2012-01-18 22:42:29 +00:00
Devang Patel
e03a4f051f Intel syntax: Fix parser match class to check memory operand size. 
llvm-svn: 148338
 2012-01-17 21:48:03 +00:00
Devang Patel
4585b536ee Intel syntax: Parse "BYTE PTR [RDX + RCX]" 
llvm-svn: 148334
 2012-01-17 21:25:10 +00:00
Devang Patel
388aa8feb0 Intel syntax: Do not unncessarily create plus expression for memory operand displacement. 
llvm-svn: 148321
 2012-01-17 19:08:07 +00:00
Devang Patel
84d275a823 Intel syntax: Ignore mnemonic aliases. 
llvm-svn: 148316
 2012-01-17 18:30:45 +00:00
Devang Patel
b1e07175c4 Intel syntax: Robustify memory operand parsing. 
llvm-svn: 148312
 2012-01-17 18:00:18 +00:00
Devang Patel
79b7ed0c82 Add new test. 
llvm-svn: 148128
 2012-01-13 18:45:31 +00:00
Devang Patel
807fee533d Remove test case, as Chris suggested. 
llvm-svn: 148039
 2012-01-12 19:54:02 +00:00
Devang Patel
3f85289ef8 Add test case to check intel syntax parsing. 
llvm-svn: 148034
 2012-01-12 18:40:46 +00:00
Eli Friedman
f626b19bda Make sure we correctly note the existence of an i8 immediate for vblendvps and friends, so we compute fixups correctly. PR11586. 
llvm-svn: 146709
 2011-12-15 23:46:18 +00:00
Jan Sjödin
b9e2da0d9a XOP instructions and encoding tests. 
llvm-svn: 146407
 2011-12-12 19:37:49 +00:00
Jan Sjödin
2dfb343ffa Support for encoding all FMA4 instructions and tablegen patterns for all 
remaining FMA4 instructions and intrinsics with tests.

llvm-svn: 145525
 2011-11-30 22:09:42 +00:00
Bruno Cardoso Lopes
626d04cc6f This patch contains support for encoding FMA4 instructions and 
tablegen patterns for scalar FMA4 operations and intrinsic. Also
add tests for vfmaddsd.

Patch by Jan Sjodin

llvm-svn: 145133
 2011-11-25 19:33:42 +00:00
Benjamin Kramer
d03fc374bd X86: alias cqo to cqto. 
llvm-svn: 145121
 2011-11-24 12:02:46 +00:00
Rafael Espindola
dd7a1f625b Move test to the X86 directory, note the PR number and only run MC once. 
llvm-svn: 143352
 2011-10-31 17:23:09 +00:00
Kevin Enderby
837c1d56a2 Change the sysexit mnemonic (and sysexitl) to never have the REX.W prefix and 
not depend on In32BitMode.  Use the sysexitq mnemonic for the version with the
REX.W prefix and only allow it only In64BitMode.  rdar://9738584

llvm-svn: 143112
 2011-10-27 17:40:41 +00:00
Craig Topper
3cb62dca0f Add X86 SARX, SHRX, and SHLX instructions. 
llvm-svn: 142779
 2011-10-23 22:18:24 +00:00
Craig Topper
0e63b4485c Add X86 RORX instruction 
llvm-svn: 142741
 2011-10-23 07:34:00 +00:00
Craig Topper
b1fa647871 Rename PEXTR to PEXT. Add intrinsics for BMI instructions. 
llvm-svn: 142480
 2011-10-19 07:48:35 +00:00
Craig Topper
6c900d9810 Add X86 PEXTR and PDEP instructions. 
llvm-svn: 142141
 2011-10-16 16:50:08 +00:00
Craig Topper
2cd868184c Add X86 BZHI instruction as well as BMI2 feature detection. 
llvm-svn: 142122
 2011-10-16 07:55:05 +00:00
Chris Lattner
321335142c Enhance llvm::SourceMgr to support diagnostic ranges, the same way clang does. Enhance 
the X86 asmparser to produce ranges in the one case that was annoying me, for example:

test.s:10:15: error: invalid operand for instruction
movl 0(%rax), 0(%edx)
              ^~~~~~~

It should be straight-forward to enhance filecheck, tblgen, and/or the .ll parser to use 
ranges where appropriate if someone is interested.

llvm-svn: 142106
 2011-10-16 04:47:35 +00:00
Craig Topper
4c6357d4af Add X86 BEXTR instruction. This instruction uses VEX.vvvv to encode Operand 3 instead of Operand 2 so needs special casing in the disassembler and code emitter. Ultimately, should pass this information from tablegen 
llvm-svn: 142105
 2011-10-16 03:51:13 +00:00
Craig Topper
62e63d9bb9 Add support for X86 blsr, blsmsk, and blsi instructions. Required extra work because these are the first VEX encoded instructions to use the reg field as an opcode extension. 
llvm-svn: 142082
 2011-10-15 20:46:47 +00:00
Kevin Enderby
974c799a5a Finish supporting cpp #file/line comments in assembler for error messages. So 
for cpp pre-processed assembly we give correct filename and line numbers when
reporting errors in assembly files when using clang and -integrated-as on .s
files. rdar://8998895

llvm-svn: 141814
 2011-10-12 21:38:39 +00:00
Craig Topper
f083691b6d Revert part of r141274. Only need to change encoding for xchg %eax, %eax in 64-bit mode. This is because in 64-bit mode xchg %eax, %eax implies zeroing the upper 32-bits of RAX which makes it not a NOP. In 32-bit mode using NOP encoding is fine. 
llvm-svn: 141353
 2011-10-07 05:35:38 +00:00
Craig Topper
2614f6f120 Fix assembling of xchg %eax, %eax to not use the NOP encoding of 0x90. This was done by creating a new register group that excludes AX registers. Fixes PR10345. Also added aliases for flipping the order of the operands of xchg <reg>, %eax. 
llvm-svn: 141274
 2011-10-06 06:44:41 +00:00
Bruno Cardoso Lopes
906f64c461 The wrong relocation was being emitted for several SSSE3 instructions. 
This fixes PR10963. Thanks to Benjamin for finding the wrong tablegen
declaration.

llvm-svn: 140184
 2011-09-20 21:39:21 +00:00
Bruno Cardoso Lopes
de0dc10d6d Fix PR10949. Fix the encoding of VMOVPQIto64rr. 
llvm-svn: 140098
 2011-09-19 23:36:59 +00:00
Bruno Cardoso Lopes
9979e44f1b Re-write part of VEX encoding logic, to be more easy to read! Also fix 
a bug and add a testcase!

llvm-svn: 138123
 2011-08-19 22:27:29 +00:00
Bruno Cardoso Lopes
306110c29a Fix PR10677. Initial patch and idea by Peter Cooper but I've changed the 
implementation!

llvm-svn: 138029
 2011-08-19 02:23:56 +00:00
Bruno Cardoso Lopes
1e817d1451 Reorder declarations of vmovmskp* and also put the necessary AVX 
predicate and TB encoding fields. This fix the encoding for the
attached testcase. This fixes PR10625.

llvm-svn: 137684
 2011-08-15 23:36:45 +00:00
Evan Cheng
04762a3cf5 Emit an error is asm parser parsed X86_64 only registers, e.g. %rax, %sil. 
This can happen in cases where TableGen generated asm matcher cannot check
whether a register operand is in the right register class. e.g. mem operands.

rdar://8204588

llvm-svn: 136292
 2011-07-27 23:22:03 +00:00
Kevin Enderby
9adbbfffd0 Fix llvm-mc handing of x86 instructions that take 8-bit unsigned immediates. 
llvm-mc gives an "invalid operand" error for instructions that take an unsigned
immediate which have the high bit set such as:
    pblendw $0xc5, %xmm2, %xmm1
llvm-mc treats all x86 immediates as signed values and range checks them.
A small number of x86 instructions use the imm8 field as a set of bits.
This change only changes those instructions and where the high bit is not
ignored.  The others remain unchanged.

llvm-svn: 136287
 2011-07-27 23:01:50 +00:00
Kevin Enderby
59ba10f2ac Changed the X86 PUSH64i8 record to use the i64i8imm ParserMatchClass so that a 
push with a small constant produces a 2-byte push.

llvm-svn: 134501
 2011-07-06 17:23:46 +00:00