[llvm] r183271 - ARM sched model: Add VFP div instruction on Swift
Arnold Schwaighofer
aschwaighofer at apple.com
Tue Jun 4 15:16:09 PDT 2013
Author: arnolds
Date: Tue Jun 4 17:16:08 2013
New Revision: 183271
URL: http://llvm.org/viewvc/llvm-project?rev=183271&view=rev
Log:
ARM sched model: Add VFP div instruction on Swift
Modified:
llvm/trunk/lib/Target/ARM/ARMScheduleSwift.td
Modified: llvm/trunk/lib/Target/ARM/ARMScheduleSwift.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMScheduleSwift.td?rev=183271&r1=183270&r2=183271&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMScheduleSwift.td (original)
+++ llvm/trunk/lib/Target/ARM/ARMScheduleSwift.td Tue Jun 4 17:16:08 2013
@@ -2042,6 +2042,22 @@ let SchedModel = SwiftModel in {
(instregex "VST4LN(d|q)(8|16|32)_UPD",
"VST4LN(d|q)(8|16|32)Pseudo_UPD")>;
+ // 4.2.44 VFP, Divide and Square Root
+ def SwiftDiv17 : SchedWriteRes<[SwiftUnitP0, SwiftUnitDiv]> {
+ let NumMicroOps = 1;
+ let Latency = 17;
+ let ResourceCycles = [1, 15];
+ }
+ def SwiftDiv32 : SchedWriteRes<[SwiftUnitP0, SwiftUnitDiv]> {
+ let NumMicroOps = 1;
+ let Latency = 32;
+ let ResourceCycles = [1, 30];
+ }
+ def : InstRW<[SwiftDiv17], (instregex "VDIVS", "VSQRTS")>;
+ def : InstRW<[SwiftDiv32], (instregex "VDIVD", "VSQRTD")>;
+
+ // Not specified.
+ def : InstRW<[SwiftWriteP01OneCycle2x], (instregex "ABS")>;
// Preload.
def : WriteRes<WritePreLd, [SwiftUnitP2]> { let Latency = 0;
let ResourceCycles = [0];
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