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812 Commits

Author SHA1 Message Date
Jim Grosbach
dd667a11d3 NEON VLD3 lane-indexed assembly parsing and encoding. 
llvm-svn: 148734
 2012-01-23 21:53:26 +00:00
Jim Grosbach
0eeacbfe2e Simplify some NEON assembly pseudo definitions. 
Let the generic token alias definitions handle the data subtype
suffices. We don't need explicit versions for each.

llvm-svn: 148718
 2012-01-23 19:39:08 +00:00
Jim Grosbach
4579f05f36 NEON use vmov.i32 to splat some f32 values into vectors. 
For bit patterns that aren't representable using the 8-bit floating point
representation for vmov.f32, but are representable via vmov.i32, treat
the .f32 syntax as an alias. Most importantly, this covers the case
'vmov.f32 Vd, #0.0'.

rdar://10616677

llvm-svn: 148556
 2012-01-20 18:09:51 +00:00
Jim Grosbach
b7ab9edb4e Thumb2 alternate syntax for LDR(literal) and friends. 
Explicit pc-relative syntax. For example, "ldrb r2, [pc, #-22]".

rdar://10250964

llvm-svn: 148432
 2012-01-18 22:46:46 +00:00
Jim Grosbach
a678ad9ecc ARM VFP assembly parsing and encoding for VCVT(float <--> fixed point). 
rdar://10558523

llvm-svn: 147189
 2011-12-22 22:19:05 +00:00
Rafael Espindola
eba1c0eb00 Fix incorrect relocation generation. Patch by Kristof Beyls. 
Fixes PR11214.

llvm-svn: 147180
 2011-12-22 21:36:43 +00:00
Jim Grosbach
100e3aaffa ARM assembler should accept shift-by-zero for any shifted-immediate operand. 
Just treat it as-if the shift wasn't there at all. 'as' compatibility.

rdar://10604767

llvm-svn: 147153
 2011-12-22 18:04:04 +00:00
Jim Grosbach
7d31680e2d ARM VFP optional data type on VMOV GPR<-->SPR. 
llvm-svn: 147104
 2011-12-21 23:24:15 +00:00
Jim Grosbach
2bbc41fa26 Thumb2 assembly parsing of 'mov rd, rn, rrx'. 
Maps to the RRX instruction. Missed this case earlier.

rdar://10615373

llvm-svn: 147096
 2011-12-21 21:04:19 +00:00
Jim Grosbach
91faf5d15f Thumb2 assembly parsing of 'mov(register shifted register)' aliases. 
These map to the ASR, LSR, LSL, ROR instruction definitions.

rdar://10615373

llvm-svn: 147094
 2011-12-21 20:54:00 +00:00
Jim Grosbach
f7236d1084 ARM NEON assmebly parsing for VLD2 to all lanes instructions. 
llvm-svn: 147069
 2011-12-21 19:40:55 +00:00
Jim Grosbach
6bd1044b03 ARM NEON VLD2 assembly parsing for structure to all lanes, non-writeback. 
llvm-svn: 147025
 2011-12-21 00:38:54 +00:00
Jim Grosbach
0768f2c420 Enable and fix a test. 
llvm-svn: 147011
 2011-12-20 23:20:00 +00:00
Jim Grosbach
8978194025 ARM assembly parsing and encoding for VST2 single-element, double spaced. 
llvm-svn: 146990
 2011-12-20 20:46:29 +00:00
Jim Grosbach
3f48367a1b ARM enable a few more tests. 
llvm-svn: 146985
 2011-12-20 20:03:00 +00:00
Jim Grosbach
8156a5dcee ARM assembly parsing and encoding for VLD2 single-element, double spaced. 
llvm-svn: 146983
 2011-12-20 19:21:26 +00:00
Jim Grosbach
3f5493c136 ARM assembly shifts by zero should be plain 'mov' instructions. 
"mov r1, r2, lsl #0" should assemble as "mov r1, r2" even though it's
not strictly legal UAL syntax. It's a common extension and the friendly
thing to do.

rdar://10604663

llvm-svn: 146937
 2011-12-20 00:59:38 +00:00
Jim Grosbach
343f270350 ARM assembly parsing and encoding support for LDRD(label). 
rdar://9932658

llvm-svn: 146921
 2011-12-19 23:06:24 +00:00
Jim Grosbach
797a88284c ARM NEON two-operand aliases for VPADD. 
rdar://10602276

llvm-svn: 146895
 2011-12-19 19:51:03 +00:00
Jim Grosbach
520db82971 ARM NEON implied destination aliases for VMAX/VMIN. 
llvm-svn: 146885
 2011-12-19 18:57:38 +00:00
Jim Grosbach
f4ca84a7ab ARM NEON relax parse time diagnostics for alignment specifiers. 
There's more variation that we need to handle. Error checking will need
to be on operand predicates.

llvm-svn: 146884
 2011-12-19 18:31:43 +00:00
Jim Grosbach
30f4b285a6 ARM NEON VCLE is an alias for VCGE w/ the source operands reversed. 
llvm-svn: 146699
 2011-12-15 22:56:33 +00:00
Jim Grosbach
b79d2a8f50 ARM NEON VTBL/VTBX assembly parsing and encoding. 
llvm-svn: 146691
 2011-12-15 22:27:11 +00:00
Jim Grosbach
75db252aee ARM NEON VLD2/VST2 lane indexed assembly parsing and encoding. 
llvm-svn: 146605
 2011-12-14 23:25:46 +00:00
Jim Grosbach
83520a5b70 ARM NEON fix alignment encoding for VST2 w/ writeback. 
Add tests for w/ writeback instruction parsing and encoding.

llvm-svn: 146594
 2011-12-14 21:49:24 +00:00
Jim Grosbach
44829ab9d2 ARM NEON VST2 assembly parsing and encoding. 
Work in progress. Parsing for non-writeback, single spaced register lists
works now. The rest have the representations better factored, but still
need more to be able to parse properly.

llvm-svn: 146579
 2011-12-14 19:35:22 +00:00
Jim Grosbach
54372eef76 ARM/Thumb2 'cmp rn, #imm' alias to cmn. 
When 'cmp rn #imm' doesn't match due to the immediate not being representable,
but 'cmn rn, #-imm' does match, use the latter in place of the former, as
it's equivalent.

rdar://10552389

llvm-svn: 146567
 2011-12-14 17:30:24 +00:00
Jim Grosbach
628ae663ef ARM assembler support for the target-specific .req directive. 
rdar://10549683

llvm-svn: 146543
 2011-12-14 02:16:11 +00:00
Jim Grosbach
089ad574d8 Thumb2 assembler aliases for "mov(shifted register)" 
rdar://10549767

llvm-svn: 146520
 2011-12-13 22:45:11 +00:00
Jim Grosbach
bd33fc6efd ARM LDM/STM system instruction variants. 
rdar://10550269

llvm-svn: 146519
 2011-12-13 21:48:29 +00:00
Jim Grosbach
7db50010cc Test for 146516 
llvm-svn: 146517
 2011-12-13 21:06:59 +00:00
Jim Grosbach
13d3509445 ARM thumb2 parsing of "rsb rd, rn, #0". 
rdar://10549741

llvm-svn: 146515
 2011-12-13 20:50:38 +00:00
Jim Grosbach
dfec87fe2f ARM NEON two-operand aliases for VQDMULH. 
llvm-svn: 146514
 2011-12-13 20:40:37 +00:00
Jim Grosbach
0ba5ba4535 ARM pre-UAL NEG mnemonic for convenience when porting old code. 
llvm-svn: 146511
 2011-12-13 20:23:22 +00:00
Jim Grosbach
356ad6d232 ARM assembly aliases for BIC<-->AND (immediate). 
When the immediate operand of an AND or BIC instruction isn't representable
in the immediate field of the instruction, but the bitwise negation of the
immediate is, assemble the instruction as the inverse operation instead
with the inverted immediate as the operand.

rdar://10550057

llvm-svn: 146283
 2011-12-09 22:02:17 +00:00
Jim Grosbach
489e81da30 ARM assembly parsing and encoding for VLD2 with writeback. 
Refactor the instructions into fixed writeback and register-stride
writeback variants to simplify the offset operand (no more optional
register operand using reg0). This is a simpler representation and allows
the assembly parser to more easily handle these instructions.

Add tests for the instruction variants now supported.

llvm-svn: 146278
 2011-12-09 21:28:25 +00:00
Jim Grosbach
62873cae5f ARM 64-bit VEXT assembly uses a .64 suffix, not .32, amazingly enough. 
llvm-svn: 146194
 2011-12-08 22:19:04 +00:00
Jim Grosbach
a33fa8aa88 ARM VSHR implied destination operand form aliases. 
llvm-svn: 146192
 2011-12-08 22:06:06 +00:00
Jim Grosbach
af9cc198cf Tidy up a bit. 
llvm-svn: 146190
 2011-12-08 22:04:40 +00:00
Jim Grosbach
78020c4642 ARM VSUB implied destination operand form aliases. 
llvm-svn: 146182
 2011-12-08 20:56:26 +00:00
Jim Grosbach
957be45ccf Tidy up a bit. 
llvm-svn: 146181
 2011-12-08 20:53:19 +00:00
Jim Grosbach
a33af36947 ARM VQADD implied destination operand form aliases. 
llvm-svn: 146179
 2011-12-08 20:49:43 +00:00
Jim Grosbach
405e213008 ARM a few more VMUL implied destination operand form aliases. 
llvm-svn: 146177
 2011-12-08 20:42:35 +00:00
Jim Grosbach
e1fe053f6e ARM NEON two-operand aliases for VSHL(immediate). 
llvm-svn: 146125
 2011-12-08 01:30:04 +00:00
Jim Grosbach
3e9384b103 ARM NEON two-operand aliases for VSHL(register). 
llvm-svn: 146123
 2011-12-08 01:12:35 +00:00
Jim Grosbach
3b4d5c0510 ARM optional destination operand variants for VEXT instructions. 
llvm-svn: 146114
 2011-12-08 00:43:47 +00:00
Jim Grosbach
0c64182f7c Tidy up. 
llvm-svn: 146113
 2011-12-08 00:41:54 +00:00
Jim Grosbach
c1cf417595 ARM assembler aliases for "add Rd, #-imm" to "sub Rd, #imm". 
llvm-svn: 146111
 2011-12-08 00:31:07 +00:00
Jim Grosbach
6146f79b7d ARM assembly, allow 'asl' as a synonym for 'lsl' in shifted-register operands. 
For 'gas' compatibility.

llvm-svn: 146106
 2011-12-07 23:40:58 +00:00
Jim Grosbach
dd3788b044 ARM two-operand aliases for VAND/VEOR/VORR instructions. 
llvm-svn: 146095
 2011-12-07 23:08:12 +00:00