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| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2013-11-18 20:09:37 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2013-11-18 20:09:37 +0000 |
| commit | b2254e603d12be6673d58f098cd384203f964e55 (patch) | |
| tree | d886e21070ef011e7f1a99075760f9b1f003858b /lib/Target/R600 | |
| parent | 62f35fb9267d4c58d5359c43358ab42c25708df4 (diff) | |
| download | llvm-b2254e603d12be6673d58f098cd384203f964e55.tar.gz llvm-b2254e603d12be6673d58f098cd384203f964e55.tar.bz2 llvm-b2254e603d12be6673d58f098cd384203f964e55.tar.xz | |
R600/SI: Match addc to S_ADD_U32.
The carry always goes to SCC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195037 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/R600')
| -rw-r--r-- | lib/Target/R600/SIInstructions.td | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/R600/SIInstructions.td b/lib/Target/R600/SIInstructions.td index 3ac96d8ea8..10126f6da0 100644 --- a/lib/Target/R600/SIInstructions.td +++ b/lib/Target/R600/SIInstructions.td @@ -2054,6 +2054,13 @@ def : Pat < (EXTRACT_SUBREG $a, sub0) >; +// V_ADD_I32_e32/S_ADD_I32 produces carry in VCC/SCC. For the vector +// case, the sgpr-copies pass will fix this to use the vector version. +def : Pat < + (i32 (addc i32:$src0, i32:$src1)), + (S_ADD_I32 $src0, $src1) +>; + def : Pat < (or i64:$a, i64:$b), (INSERT_SUBREG |