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Some single precision VFP instructions may be executed on NEON pipeline, but not double precision ones.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125624 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2011-02-16 00:35:02 +00:00
parent 8a670edf1b
commit 5eda282cd1
2 changed files with 160 additions and 28 deletions
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8
lib/Target/ARM/ARMInstrFormats.td
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@@ -1200,7 +1200,7 @@ class ADI5<bits<4> opcod1, bits<2> opcod2, dag oops, dag iops,
let Inst{11-9} = 0b101;
let Inst{8} = 1; // Double precision
// 64-bit loads & stores operate on both NEON and VFP pipelines.
// Loads & stores operate on both NEON and VFP pipelines.
let D = VFPNeonDomain;
}
@@ -1225,6 +1225,9 @@ class ASI5<bits<4> opcod1, bits<2> opcod2, dag oops, dag iops,
let Inst{21-20} = opcod2;
let Inst{11-9} = 0b101;
let Inst{8} = 0; // Single precision
// Loads & stores operate on both NEON and VFP pipelines.
let D = VFPNeonDomain;
}
// VFP Load / store multiple pseudo instructions.
@@ -1257,9 +1260,6 @@ class AXDI4<dag oops, dag iops, IndexMode im, InstrItinClass itin,
let Inst{27-25} = 0b110;
let Inst{11-9} = 0b101;
let Inst{8} = 1; // Double precision
// 64-bit loads & stores operate on both NEON and VFP pipelines.
let D = VFPNeonDomain;
}
class AXSI4<dag oops, dag iops, IndexMode im, InstrItinClass itin,