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38 Commits

Author SHA1 Message Date
Tom Stellard
efa1355495 R600: Add work-around for the CF stack entry HW bug 
The CF stack can be corrupted if you use CF_ALU_PUSH_BEFORE,
CF_ALU_ELSE_AFTER, CF_ALU_BREAK, or CF_ALU_CONTINUE when the number of
sub-entries on the stack is greater than or equal to the stack entry
size and sub-entries modulo 4 is either 0 or 3 (on cedar the bug is
present when number of sub-entries module 8 is either 7 or 0)

We choose to be conservative and always apply the work-around when the
number of sub-enries is greater than or equal to the stack entry size,
so that we can safely over-allocate the stack when we are unsure of the
stack allocation rules.

reviewed-by: Vincent Lejeune <vljn at ovi.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199842 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-01-22 21:55:46 +00:00
Tom Stellard
5c0c884e42 R600: Refactor stack size calculation 
reviewed-by: Vincent Lejeune <vljn at ovi.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199840 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-01-22 21:55:43 +00:00
Tom Stellard
f2194d3ab3 R600: CF_PUSH is the same on Evergreen and Cayman 
reviewed-by: Vincent Lejeune <vljn at ovi.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199839 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-01-22 21:55:41 +00:00
Vincent Lejeune
7043c7a35e R600: Workaround for cayman loop bug 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196121 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-12-02 17:29:37 +00:00
Tom Stellard
e7ac2ed1c2 R600: Add IsExport bit to TableGen instruction definitions 
Tested-by: Aaron Watry <awatry@gmail.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188516 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-08-16 01:11:51 +00:00
Tom Stellard
e560d526a1 R600: Change the RAT instruction assembly names so they match the docs 
Tested-by: Aaron Watry <awatry@gmail.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188515 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-08-16 01:11:46 +00:00
Tom Stellard
692ee102eb R600: Add 64-bit float load/store support 
* Added R600_Reg64 class
* Added T#Index#.XY registers definition
* Added v2i32 register reads from parameter and global space
* Added f32 and i32 elements extraction from v2f32 and v2i32
* Added v2i32 -> v2f32 conversions

Tom Stellard:
  - Mark vec2 operations as expand.  The addition of a vec2 register
    class made them all legal.

Patch by: Dmitry Cherkassov

Signed-off-by: Dmitry Cherkassov <dcherkassov@gmail.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187582 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-08-01 15:23:42 +00:00
Vincent Lejeune
acf7350385 R600: Remove predicated_break inst 
We were using two instructions for similar purpose : break and
predicated break. Only predicated_break was emitted and it was
lowered at R600ControlFlowFinalizer to JUMP;CF_BREAK;POP.
This commit simplify the situation by making AMDILCFGStructurizer
emit IF_PREDICATE;BREAK;ENDIF; instead of predicated_break (which
is now removed).

There is no functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187510 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-07-31 19:31:14 +00:00
Vincent Lejeune
272458bd06 R600: Don't emit empty then clause and use alu_pop_after 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186725 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-07-19 21:45:15 +00:00
Craig Topper
787e71df69 Make some arrays 'static const' 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186307 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-07-15 06:39:13 +00:00
Vincent Lejeune
f2cfef8172 R600: Do not predicated basic block with multiple alu clause 
Test is not included as it is several 1000 lines long.
To test this functionnality, a test case must generate at least 2 ALU clauses,
where an ALU clause is ~110 instructions long.

NOTE: This is a candidate for the stable branch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185943 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-07-09 15:03:33 +00:00
Tom Stellard
4efccd0fb1 R600: Use EXPORT_RAT_INST_STORE_DWORD for stores on Cayman 
We were using RAT_INST_STORE_RAW, which seemed to work, but the docs
say this instruction doesn't exist for Cayman, so it's probably safer
to use a documented instruction instead.

Reviewed-by: Vincent Lejeune<vljn at ovi.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184015 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-14 22:12:24 +00:00
Vincent Lejeune
b01bdf87ff R600: Anti dep better handled in tex clause 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183592 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-07 23:30:26 +00:00
Tom Stellard
3ff0abfaab R600: Rework subtarget info and remove AMDILDevice classes 
This should simplify the subtarget definitions and make it easier to
add new ones.

Reviewed-by: Vincent Lejeune <vljn@ovi.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183566 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-07 20:37:48 +00:00
Bill Wendling
b5632b5b45 Don't cache the instruction and register info from the TargetMachine, because 
the internals of TargetMachine could change.

No functionality change intended.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183561 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-07 20:28:55 +00:00
Vincent Lejeune
fdf7ab1c69 R600: CALL_FS consumes a stack size entry 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183108 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-03 15:44:42 +00:00
Tom Stellard
d078070f6a R600: Fix R600ControlFlowFinalizer not considering VTX_READ 128 bit dst reg 
Patch by: Vincent Lejeune

https://bugs.freedesktop.org/show_bug.cgi?id=64877

NOTE: This is a candidate for the 3.3 branch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182600 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-23 18:26:42 +00:00
Benjamin Kramer
5c35290fa3 Move passes from namespace llvm into anonymous namespaces. Sort includes while there. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182594 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-23 17:10:37 +00:00
Aaron Ballman
061ff3409d Setting the default value (fixes CRT assertions about uninitialized variable use when doing debug MSVC builds), and fixing coding style. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182585 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-23 14:55:00 +00:00
Vincent Lejeune
25c209e9a2 R600: Some factorization 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182123 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-17 16:50:02 +00:00
Vincent Lejeune
dcfcf1d1ff R600: Factorize Fetch size limit inside AMDGPUSubTarget 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182122 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-17 16:49:55 +00:00
Vincent Lejeune
5ed88013e8 R600: Signed literals are 64bits wide 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180960 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-02 21:53:03 +00:00
Vincent Lejeune
2c836f84db R600: use native for alu 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180761 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-30 00:14:38 +00:00
Vincent Lejeune
7097b1ddea R600: Take inner dependency into tex/vtx clauses 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180757 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-30 00:14:00 +00:00
Vincent Lejeune
b6379de427 R600: Turn TEX/VTX into native instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180756 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-30 00:13:53 +00:00
Vincent Lejeune
631591e6f3 R600: Add FetchInst bit to instruction defs to denote vertex/tex instructions 
v2[Vincent Lejeune]: Split FetchInst into usesTextureCache/usesVertexCache

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180755 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-30 00:13:39 +00:00
Tom Stellard
d8b2da1136 R600: Use correct CF_END instruction on Northern Island GPUs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180735 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-29 22:23:58 +00:00
Vincent Lejeune
2a74639bc7 R600: Use .AMDGPU.config section to emit stacksize 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180124 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-23 17:34:12 +00:00
Vincent Lejeune
7a28d8afa7 R600: Add CF_END 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180123 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-23 17:34:00 +00:00
NAKAMURA Takumi
4eb5f18956 R600ControlFlowFinalizer.cpp: Fix a warning. [-Wunused-variable] 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179263 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-11 04:16:27 +00:00
NAKAMURA Takumi
e7a040f9ab Whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179262 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-11 04:16:22 +00:00
Vincent Lejeune
daefc0f9c8 R600: Add VTX_READ_* and RAT_WRITE_CACHELESS_* when computing cf addr 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179174 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-10 13:29:20 +00:00
Vincent Lejeune
bd7c634ab9 R600: Control Flow support for pre EG gen 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179020 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-08 13:05:49 +00:00
Vincent Lejeune
51f7225f55 R600: Fix wrong address when substituting ENDIF 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178762 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-04 14:00:03 +00:00
Vincent Lejeune
39cd6fae34 R600: Take export into account when computing cf address 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178761 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-04 13:59:59 +00:00
Vincent Lejeune
375d767b54 R600: Simplify data structure and add DEBUG to R600ControlFlowFinalizer 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178665 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-03 16:24:09 +00:00
Vincent Lejeune
795ecc3669 R600: Consider KILLGT as an ALU instruction 
Mesa does not override llvm behavior wrt KILLGT anymore so llvm
has to handle KILLGT on its own.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178664 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-03 16:24:04 +00:00
Vincent Lejeune
08001a5a15 R600: Add support for native control flow 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178505 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-01 21:48:05 +00:00