Commit Graph

9 Commits

Author SHA1 Message Date
Matt Arsenault 72b31eee0b R600/SI: Change formatting of printed registers.
Print the range of registers used with a single letter prefix.
This better matches what the shader compiler produces and
is overall less obnoxious than concatenating all of the
subregister names together.

Instead of SGPR0, it will print s0. Instead of SGPR0_SGPR1,
it will print s[0:1] and so on.

There doesn't appear to be a straightforward way
to get the actual register info in the InstPrinter,
so this parses the generated name to print with the
new syntax.

The required test changes are pretty nasty, and register
matching regexes are now worse. Since there isn't a way to
add to a variable in FileCheck, some of the tests now don't
check the exact number of registers used, but I don't think that
will be a real problem.

llvm-svn: 194443
2013-11-12 02:35:51 +00:00
Tom Stellard 70f13dba15 R600/SI: Use -verify-machineinstrs for most tests
We can't enable the verifier for tests with SI_IF and SI_ELSE, because
these instructions are always followed by a COPY which copies their
result to the next basic block.  This violates the machine verifier's
rule that non-terminators can not folow terminators.

Reviewed-by: Vincent Lejeune<vljn at ovi.com>
llvm-svn: 192366
2013-10-10 17:11:46 +00:00
Vincent Lejeune 7e2c83256b R600: Non vector only instruction can be scheduled on trans unit
llvm-svn: 189980
2013-09-04 19:53:46 +00:00
Tom Stellard fc455471c3 R600: Set scheduling preference to Sched::Source
R600 doesn't need to do any scheduling on the SelectionDAG now that it
has a very good MachineScheduler.  Also, using the VLIW SelectionDAG
scheduler was having a major impact on compile times. For example with
the phatk kernel here are the LLVM IR to machine code compile times:

With Sched::VLIW

Total Compile Time:                  1.4890 Seconds (User + System)
SelectionDAG Instruction Scheduling: 1.1670 Seconds (User + System)

With Sched::Source

Total Compile Time:                  0.3330 Seconds (User + System)
SelectionDAG Instruction Scheduling: 0.0070 Seconds (User + System)

The code ouput was identical with both schedulers.  This may not be true
for all programs, but it gives me confidence that there won't be much
reduction, if any, in code quality by using Sched::Source.

llvm-svn: 188215
2013-08-12 22:33:21 +00:00
Tom Stellard 0344cdfe39 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>
llvm-svn: 187582
2013-08-01 15:23:42 +00:00
Tom Stellard ca69a53bae Revert "R600: Non vector only instruction can be scheduled on trans unit"
This reverts commit 98ce62780ea7185ba710868bf83c8077e8d7f6d6.

llvm-svn: 187526
2013-07-31 20:43:27 +00:00
Vincent Lejeune df18804e26 R600: Non vector only instruction can be scheduled on trans unit
llvm-svn: 187514
2013-07-31 19:31:56 +00:00
Tom Stellard 96d38760fc R600/SI: Expand sub for v2i32 and v4i32 for SI
Also add a v2i32 test to the existing v4i32 test.

Patch by: Aaron Watry

Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
Signed-off-by: Aaron Watry<awatry@gmail.com>
llvm-svn: 184482
2013-06-20 21:55:37 +00:00
Tom Stellard 3a7c34c778 R600: Expand SUB for v2i32/v4i32
Patch by: Aaron Watry

Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
Signed-off-by: Aaron Watry <awatry@gmail.com>

NOTE: This is a candidate for the 3.3 branch.
llvm-svn: 181579
2013-05-10 02:09:39 +00:00