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Commit Graph

12 Commits

Author SHA1 Message Date
Matt Arsenault
f045301bf1 R600/SI: Print more immediates in hex format
Print in decimal for inline immediates, and hex otherwise. Use hex
always for offsets in addressing offsets.

This approximately matches what the shader compiler does.

llvm-svn: 206335
2014-04-15 22:32:49 +00:00
Matt Arsenault
7f99777a74 R600: Implement isZExtFree.
This allows 64-bit operations that are truncated to be reduced
to 32-bit ones.

llvm-svn: 204946
2014-03-27 17:23:31 +00:00
Matt Arsenault
94cdf74a4b R600/SI: Fix extra mov from legalizing 64-bit SALU ops.
Check the register class of each operand individually
to avoid an extra copy to a vgpr.

llvm-svn: 204662
2014-03-24 20:08:13 +00:00
Matt Arsenault
3436234471 R600/SI: Sub-optimial fix for 64-bit immediates with SALU ops.
No longer asserts, but now you get moves loading legal immediates
into the split 32-bit operations.

llvm-svn: 204661
2014-03-24 20:08:09 +00:00
Matt Arsenault
ed12a24627 R600/SI: Fix 64-bit bit ops that require the VALU.
Try to match scalar and first like the other instructions.
Expand 64-bit ands to a pair of 32-bit ands since that is not
available on the VALU.

llvm-svn: 204660
2014-03-24 20:08:05 +00:00
Matt Arsenault
f0af6362fd R600/SI: Move instruction patterns to scalar versions.
Some of them also had the pattern on both, so this removes the
duplication.

llvm-svn: 204492
2014-03-21 18:01:18 +00:00
Matt Arsenault
70be5dff43 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
2b6ff7e802 R600: Fix handling of vector kernel arguments
The SelectionDAGBuilder was promoting vector kernel arguments to legal
types, but this won't work for R600 and SI since kernel arguments are
stored in memory and can't be promoted.  In order to handle vector
arguments correctly we need to look at the original types from the LLVM IR
function.

llvm-svn: 193215
2013-10-23 00:44:32 +00:00
Tom Stellard
a1dbb396e5 R600/SI: Add support for i64 bitwise or
llvm-svn: 193213
2013-10-23 00:44:19 +00:00
Tom Stellard
582bb030db 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
Aaron Watry
d9f602bd35 R600/SI: Expand or of v2i32/v4i32 for SI
Also add lit test for both cases on SI, and v2i32 for evergreen.

Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
llvm-svn: 184839
2013-06-25 13:55:29 +00:00
Tom Stellard
2165728987 R600: Expand vector or, shl, srl, and xor nodes
llvm-svn: 181035
2013-05-03 17:21:31 +00:00