forked from OSchip/llvm-project
[SPARC] Lower fp16 ops to libcalls
The fp16 ops are legalized by extending/chopping them as needed. The tests are shamelessly stolen from the RISC-V backend. Recommit with fixed RUN lines for the test. Differential Revision: https://reviews.llvm.org/D77569
This commit is contained in:
LemonBoy
Eli Friedman
parent
19b3b886b7
commit
7dac008596
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@ -1465,6 +1465,7 @@ SparcTargetLowering::SparcTargetLowering(const TargetMachine &TM,
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// Turn FP extload into load/fpextend
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for (MVT VT : MVT::fp_valuetypes()) {
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setLoadExtAction(ISD::EXTLOAD, VT, MVT::f16, Expand);
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setLoadExtAction(ISD::EXTLOAD, VT, MVT::f32, Expand);
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setLoadExtAction(ISD::EXTLOAD, VT, MVT::f64, Expand);
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}
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@ -1474,6 +1475,8 @@ SparcTargetLowering::SparcTargetLowering(const TargetMachine &TM,
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setLoadExtAction(ISD::SEXTLOAD, VT, MVT::i1, Promote);
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// Turn FP truncstore into trunc + store.
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setTruncStoreAction(MVT::f32, MVT::f16, Expand);
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setTruncStoreAction(MVT::f64, MVT::f16, Expand);
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setTruncStoreAction(MVT::f64, MVT::f32, Expand);
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setTruncStoreAction(MVT::f128, MVT::f32, Expand);
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setTruncStoreAction(MVT::f128, MVT::f64, Expand);
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@ -1515,6 +1518,12 @@ SparcTargetLowering::SparcTargetLowering(const TargetMachine &TM,
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setOperationAction(ISD::FP_TO_UINT, MVT::i64, Custom);
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setOperationAction(ISD::UINT_TO_FP, MVT::i64, Custom);
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// Lower f16 conversion operations into library calls
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setOperationAction(ISD::FP16_TO_FP, MVT::f32, Expand);
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setOperationAction(ISD::FP_TO_FP16, MVT::f32, Expand);
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setOperationAction(ISD::FP16_TO_FP, MVT::f64, Expand);
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setOperationAction(ISD::FP_TO_FP16, MVT::f64, Expand);
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setOperationAction(ISD::BITCAST, MVT::f32, Expand);
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setOperationAction(ISD::BITCAST, MVT::i32, Expand);
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@ -0,0 +1,376 @@
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=sparc-linux-gnu < %s | FileCheck %s -check-prefix=V8 -check-prefix=V8-BE
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; RUN: llc -mtriple=sparcel-linux-gnu < %s | FileCheck %s -check-prefix=V8 -check-prefix=V8-EL
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; RUN: llc -mtriple=sparc-linux-gnu -O0 < %s | FileCheck %s -check-prefix=V8-UNOPT
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; RUN: llc -mtriple=sparc-linux-gnu -mattr=v9 < %s | FileCheck %s -check-prefix=V9
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; RUN: llc -mtriple=sparc64-unknown-linux < %s | FileCheck %s -check-prefix=SPARC64
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define void @test_load_store(half* %p, half* %q) nounwind {
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; V8-LABEL: test_load_store:
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; V8: ! %bb.0:
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; V8-NEXT: lduh [%o0], %o0
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; V8-NEXT: retl
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; V8-NEXT: sth %o0, [%o1]
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;
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; V8-UNOPT-LABEL: test_load_store:
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; V8-UNOPT: ! %bb.0:
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; V8-UNOPT-NEXT: lduh [%o0], %o0
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; V8-UNOPT-NEXT: retl
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; V8-UNOPT-NEXT: sth %o0, [%o1]
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;
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; V9-LABEL: test_load_store:
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; V9: ! %bb.0:
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; V9-NEXT: lduh [%o0], %o0
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; V9-NEXT: retl
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; V9-NEXT: sth %o0, [%o1]
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;
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; SPARC64-LABEL: test_load_store:
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; SPARC64: ! %bb.0:
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; SPARC64-NEXT: lduh [%o0], %o0
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; SPARC64-NEXT: retl
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; SPARC64-NEXT: sth %o0, [%o1]
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%a = load half, half* %p
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store half %a, half* %q
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ret void
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}
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define float @test_fpextend_float(half* %p) nounwind {
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; V8-LABEL: test_fpextend_float:
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; V8: ! %bb.0:
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; V8-NEXT: save %sp, -96, %sp
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; V8-NEXT: call __gnu_h2f_ieee
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; V8-NEXT: lduh [%i0], %o0
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; V8-NEXT: ret
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; V8-NEXT: restore
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;
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; V8-UNOPT-LABEL: test_fpextend_float:
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; V8-UNOPT: ! %bb.0:
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; V8-UNOPT-NEXT: save %sp, -96, %sp
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; V8-UNOPT-NEXT: call __gnu_h2f_ieee
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; V8-UNOPT-NEXT: lduh [%i0], %o0
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; V8-UNOPT-NEXT: ret
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; V8-UNOPT-NEXT: restore
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;
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; V9-LABEL: test_fpextend_float:
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; V9: ! %bb.0:
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; V9-NEXT: save %sp, -96, %sp
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; V9-NEXT: call __gnu_h2f_ieee
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; V9-NEXT: lduh [%i0], %o0
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; V9-NEXT: ret
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; V9-NEXT: restore
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;
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; SPARC64-LABEL: test_fpextend_float:
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; SPARC64: ! %bb.0:
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; SPARC64-NEXT: save %sp, -176, %sp
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; SPARC64-NEXT: call __gnu_h2f_ieee
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; SPARC64-NEXT: lduh [%i0], %o0
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; SPARC64-NEXT: ret
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; SPARC64-NEXT: restore
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%a = load half, half* %p
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%r = fpext half %a to float
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ret float %r
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}
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define double @test_fpextend_double(half* %p) nounwind {
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; V8-LABEL: test_fpextend_double:
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; V8: ! %bb.0:
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; V8-NEXT: save %sp, -96, %sp
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; V8-NEXT: call __gnu_h2f_ieee
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; V8-NEXT: lduh [%i0], %o0
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; V8-NEXT: fstod %f0, %f0
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; V8-NEXT: ret
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; V8-NEXT: restore
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;
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; V8-UNOPT-LABEL: test_fpextend_double:
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; V8-UNOPT: ! %bb.0:
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; V8-UNOPT-NEXT: save %sp, -96, %sp
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; V8-UNOPT-NEXT: call __gnu_h2f_ieee
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; V8-UNOPT-NEXT: lduh [%i0], %o0
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; V8-UNOPT-NEXT: fstod %f0, %f0
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; V8-UNOPT-NEXT: ret
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; V8-UNOPT-NEXT: restore
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;
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; V9-LABEL: test_fpextend_double:
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; V9: ! %bb.0:
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; V9-NEXT: save %sp, -96, %sp
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; V9-NEXT: call __gnu_h2f_ieee
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; V9-NEXT: lduh [%i0], %o0
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; V9-NEXT: fstod %f0, %f0
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; V9-NEXT: ret
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; V9-NEXT: restore
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;
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; SPARC64-LABEL: test_fpextend_double:
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; SPARC64: ! %bb.0:
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; SPARC64-NEXT: save %sp, -176, %sp
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; SPARC64-NEXT: call __gnu_h2f_ieee
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; SPARC64-NEXT: lduh [%i0], %o0
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; SPARC64-NEXT: fstod %f0, %f0
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; SPARC64-NEXT: ret
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; SPARC64-NEXT: restore
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%a = load half, half* %p
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%r = fpext half %a to double
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ret double %r
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}
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define void @test_fptrunc_float(float %f, half* %p) nounwind {
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; V8-LABEL: test_fptrunc_float:
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; V8: ! %bb.0:
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; V8-NEXT: save %sp, -96, %sp
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; V8-NEXT: call __gnu_f2h_ieee
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; V8-NEXT: mov %i0, %o0
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; V8-NEXT: sth %o0, [%i1]
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; V8-NEXT: ret
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; V8-NEXT: restore
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;
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; V8-UNOPT-LABEL: test_fptrunc_float:
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; V8-UNOPT: ! %bb.0:
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; V8-UNOPT-NEXT: save %sp, -104, %sp
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; V8-UNOPT-NEXT: st %i0, [%fp+-4]
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; V8-UNOPT-NEXT: ld [%fp+-4], %f0
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; V8-UNOPT-NEXT: mov %i0, %o0
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; V8-UNOPT-NEXT: st %i1, [%fp+-8] ! 4-byte Folded Spill
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; V8-UNOPT-NEXT: call __gnu_f2h_ieee
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; V8-UNOPT-NEXT: st %f0, [%fp+-12]
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; V8-UNOPT-NEXT: ld [%fp+-8], %i0 ! 4-byte Folded Reload
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; V8-UNOPT-NEXT: sth %o0, [%i0]
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; V8-UNOPT-NEXT: ret
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; V8-UNOPT-NEXT: restore
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;
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; V9-LABEL: test_fptrunc_float:
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; V9: ! %bb.0:
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; V9-NEXT: save %sp, -96, %sp
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; V9-NEXT: call __gnu_f2h_ieee
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; V9-NEXT: mov %i0, %o0
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; V9-NEXT: sth %o0, [%i1]
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; V9-NEXT: ret
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; V9-NEXT: restore
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;
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; SPARC64-LABEL: test_fptrunc_float:
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; SPARC64: ! %bb.0:
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; SPARC64-NEXT: save %sp, -176, %sp
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; SPARC64-NEXT: call __gnu_f2h_ieee
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; SPARC64-NEXT: nop
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; SPARC64-NEXT: sth %o0, [%i1]
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; SPARC64-NEXT: ret
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; SPARC64-NEXT: restore
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%a = fptrunc float %f to half
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store half %a, half* %p
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ret void
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}
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define void @test_fptrunc_double(double %d, half* %p) nounwind {
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; V8-LABEL: test_fptrunc_double:
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; V8: ! %bb.0:
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; V8-NEXT: save %sp, -112, %sp
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; V8-NEXT: ! kill: def $i1 killed $i1 killed $i0_i1 def $i0_i1
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; V8-NEXT: ! kill: def $i0 killed $i0 killed $i0_i1 def $i0_i1
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; V8-NEXT: std %i0, [%fp+-8]
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; V8-NEXT: ldd [%fp+-8], %f0
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; V8-NEXT: std %f0, [%fp+-16]
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; V8-NEXT: call __truncdfhf2
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; V8-NEXT: ldd [%fp+-16], %o0
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; V8-NEXT: sth %o0, [%i2]
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; V8-NEXT: ret
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; V8-NEXT: restore
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;
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; V8-UNOPT-LABEL: test_fptrunc_double:
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; V8-UNOPT: ! %bb.0:
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; V8-UNOPT-NEXT: save %sp, -112, %sp
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; V8-UNOPT-NEXT: ! implicit-def: $i4_i5
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; V8-UNOPT-NEXT: mov %i0, %i4
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; V8-UNOPT-NEXT: mov %i1, %i5
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; V8-UNOPT-NEXT: std %i4, [%fp+-8]
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; V8-UNOPT-NEXT: ldd [%fp+-8], %f0
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; V8-UNOPT-NEXT: std %f0, [%fp+-16]
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; V8-UNOPT-NEXT: ldd [%fp+-16], %i0
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; V8-UNOPT-NEXT: mov %i0, %i3
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; V8-UNOPT-NEXT: ! kill: def $i1 killed $i1 killed $i0_i1
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; V8-UNOPT-NEXT: mov %i3, %o0
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; V8-UNOPT-NEXT: mov %i1, %o1
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; V8-UNOPT-NEXT: call __truncdfhf2
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; V8-UNOPT-NEXT: st %i2, [%fp+-20]
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; V8-UNOPT-NEXT: ld [%fp+-20], %i0 ! 4-byte Folded Reload
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; V8-UNOPT-NEXT: sth %o0, [%i0]
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; V8-UNOPT-NEXT: ret
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; V8-UNOPT-NEXT: restore
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;
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; V9-LABEL: test_fptrunc_double:
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; V9: ! %bb.0:
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; V9-NEXT: save %sp, -112, %sp
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; V9-NEXT: ! kill: def $i1 killed $i1 killed $i0_i1 def $i0_i1
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; V9-NEXT: ! kill: def $i0 killed $i0 killed $i0_i1 def $i0_i1
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; V9-NEXT: std %i0, [%fp+-8]
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; V9-NEXT: ldd [%fp+-8], %f0
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; V9-NEXT: std %f0, [%fp+-16]
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; V9-NEXT: call __truncdfhf2
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; V9-NEXT: ldd [%fp+-16], %o0
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; V9-NEXT: sth %o0, [%i2]
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; V9-NEXT: ret
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; V9-NEXT: restore
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;
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; SPARC64-LABEL: test_fptrunc_double:
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; SPARC64: ! %bb.0:
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; SPARC64-NEXT: save %sp, -176, %sp
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; SPARC64-NEXT: call __truncdfhf2
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; SPARC64-NEXT: nop
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; SPARC64-NEXT: sth %o0, [%i1]
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; SPARC64-NEXT: ret
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; SPARC64-NEXT: restore
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%a = fptrunc double %d to half
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store half %a, half* %p
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ret void
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}
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define void @test_fadd(half* %p, half* %q) nounwind {
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; V8-LABEL: test_fadd:
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; V8: ! %bb.0:
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; V8-NEXT: save %sp, -104, %sp
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; V8-NEXT: call __gnu_h2f_ieee
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; V8-NEXT: lduh [%i0], %o0
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; V8-NEXT: st %f0, [%fp+-8] ! 4-byte Folded Spill
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; V8-NEXT: call __gnu_h2f_ieee
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; V8-NEXT: lduh [%i1], %o0
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; V8-NEXT: ld [%fp+-8], %f1 ! 4-byte Folded Reload
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; V8-NEXT: fadds %f1, %f0, %f0
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; V8-NEXT: st %f0, [%fp+-4]
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; V8-NEXT: call __gnu_f2h_ieee
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; V8-NEXT: ld [%fp+-4], %o0
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; V8-NEXT: sth %o0, [%i0]
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; V8-NEXT: ret
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; V8-NEXT: restore
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;
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; V8-UNOPT-LABEL: test_fadd:
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; V8-UNOPT: ! %bb.0:
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; V8-UNOPT-NEXT: save %sp, -112, %sp
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; V8-UNOPT-NEXT: lduh [%i0], %o0
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; V8-UNOPT-NEXT: st %i1, [%fp+-8] ! 4-byte Folded Spill
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; V8-UNOPT-NEXT: call __gnu_h2f_ieee
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; V8-UNOPT-NEXT: st %i0, [%fp+-12]
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; V8-UNOPT-NEXT: ld [%fp+-8], %i0 ! 4-byte Folded Reload
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; V8-UNOPT-NEXT: lduh [%i0], %o0
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; V8-UNOPT-NEXT: call __gnu_h2f_ieee
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; V8-UNOPT-NEXT: st %f0, [%fp+-16]
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; V8-UNOPT-NEXT: ld [%fp+-16], %f1 ! 4-byte Folded Reload
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; V8-UNOPT-NEXT: fadds %f1, %f0, %f0
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; V8-UNOPT-NEXT: st %f0, [%fp+-4]
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; V8-UNOPT-NEXT: call __gnu_f2h_ieee
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; V8-UNOPT-NEXT: ld [%fp+-4], %o0
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; V8-UNOPT-NEXT: ld [%fp+-12], %i0 ! 4-byte Folded Reload
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; V8-UNOPT-NEXT: sth %o0, [%i0]
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; V8-UNOPT-NEXT: ret
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; V8-UNOPT-NEXT: restore
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;
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; V9-LABEL: test_fadd:
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; V9: ! %bb.0:
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; V9-NEXT: save %sp, -104, %sp
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; V9-NEXT: call __gnu_h2f_ieee
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; V9-NEXT: lduh [%i0], %o0
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; V9-NEXT: st %f0, [%fp+-8] ! 4-byte Folded Spill
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; V9-NEXT: call __gnu_h2f_ieee
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; V9-NEXT: lduh [%i1], %o0
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; V9-NEXT: ld [%fp+-8], %f1 ! 4-byte Folded Reload
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; V9-NEXT: fadds %f1, %f0, %f0
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; V9-NEXT: st %f0, [%fp+-4]
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; V9-NEXT: call __gnu_f2h_ieee
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; V9-NEXT: ld [%fp+-4], %o0
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; V9-NEXT: sth %o0, [%i0]
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; V9-NEXT: ret
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; V9-NEXT: restore
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;
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; SPARC64-LABEL: test_fadd:
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; SPARC64: ! %bb.0:
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; SPARC64-NEXT: save %sp, -192, %sp
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; SPARC64-NEXT: call __gnu_h2f_ieee
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; SPARC64-NEXT: lduh [%i0], %o0
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; SPARC64-NEXT: st %f0, [%fp+2043] ! 4-byte Folded Spill
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; SPARC64-NEXT: call __gnu_h2f_ieee
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; SPARC64-NEXT: lduh [%i1], %o0
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; SPARC64-NEXT: ld [%fp+2043], %f1 ! 4-byte Folded Reload
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; SPARC64-NEXT: call __gnu_f2h_ieee
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; SPARC64-NEXT: fadds %f1, %f0, %f1
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; SPARC64-NEXT: sth %o0, [%i0]
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; SPARC64-NEXT: ret
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; SPARC64-NEXT: restore
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%a = load half, half* %p
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%b = load half, half* %q
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%r = fadd half %a, %b
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store half %r, half* %p
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ret void
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}
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define void @test_fmul(half* %p, half* %q) nounwind {
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; V8-LABEL: test_fmul:
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; V8: ! %bb.0:
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; V8-NEXT: save %sp, -104, %sp
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; V8-NEXT: call __gnu_h2f_ieee
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; V8-NEXT: lduh [%i0], %o0
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; V8-NEXT: st %f0, [%fp+-8] ! 4-byte Folded Spill
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; V8-NEXT: call __gnu_h2f_ieee
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; V8-NEXT: lduh [%i1], %o0
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; V8-NEXT: ld [%fp+-8], %f1 ! 4-byte Folded Reload
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; V8-NEXT: fmuls %f1, %f0, %f0
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; V8-NEXT: st %f0, [%fp+-4]
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; V8-NEXT: call __gnu_f2h_ieee
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; V8-NEXT: ld [%fp+-4], %o0
|
||||
; V8-NEXT: sth %o0, [%i0]
|
||||
; V8-NEXT: ret
|
||||
; V8-NEXT: restore
|
||||
;
|
||||
; V8-UNOPT-LABEL: test_fmul:
|
||||
; V8-UNOPT: ! %bb.0:
|
||||
; V8-UNOPT-NEXT: save %sp, -112, %sp
|
||||
; V8-UNOPT-NEXT: lduh [%i0], %o0
|
||||
; V8-UNOPT-NEXT: st %i1, [%fp+-8] ! 4-byte Folded Spill
|
||||
; V8-UNOPT-NEXT: call __gnu_h2f_ieee
|
||||
; V8-UNOPT-NEXT: st %i0, [%fp+-12]
|
||||
; V8-UNOPT-NEXT: ld [%fp+-8], %i0 ! 4-byte Folded Reload
|
||||
; V8-UNOPT-NEXT: lduh [%i0], %o0
|
||||
; V8-UNOPT-NEXT: call __gnu_h2f_ieee
|
||||
; V8-UNOPT-NEXT: st %f0, [%fp+-16]
|
||||
; V8-UNOPT-NEXT: ld [%fp+-16], %f1 ! 4-byte Folded Reload
|
||||
; V8-UNOPT-NEXT: fmuls %f1, %f0, %f0
|
||||
; V8-UNOPT-NEXT: st %f0, [%fp+-4]
|
||||
; V8-UNOPT-NEXT: call __gnu_f2h_ieee
|
||||
; V8-UNOPT-NEXT: ld [%fp+-4], %o0
|
||||
; V8-UNOPT-NEXT: ld [%fp+-12], %i0 ! 4-byte Folded Reload
|
||||
; V8-UNOPT-NEXT: sth %o0, [%i0]
|
||||
; V8-UNOPT-NEXT: ret
|
||||
; V8-UNOPT-NEXT: restore
|
||||
;
|
||||
; V9-LABEL: test_fmul:
|
||||
; V9: ! %bb.0:
|
||||
; V9-NEXT: save %sp, -104, %sp
|
||||
; V9-NEXT: call __gnu_h2f_ieee
|
||||
; V9-NEXT: lduh [%i0], %o0
|
||||
; V9-NEXT: st %f0, [%fp+-8] ! 4-byte Folded Spill
|
||||
; V9-NEXT: call __gnu_h2f_ieee
|
||||
; V9-NEXT: lduh [%i1], %o0
|
||||
; V9-NEXT: ld [%fp+-8], %f1 ! 4-byte Folded Reload
|
||||
; V9-NEXT: fmuls %f1, %f0, %f0
|
||||
; V9-NEXT: st %f0, [%fp+-4]
|
||||
; V9-NEXT: call __gnu_f2h_ieee
|
||||
; V9-NEXT: ld [%fp+-4], %o0
|
||||
; V9-NEXT: sth %o0, [%i0]
|
||||
; V9-NEXT: ret
|
||||
; V9-NEXT: restore
|
||||
;
|
||||
; SPARC64-LABEL: test_fmul:
|
||||
; SPARC64: ! %bb.0:
|
||||
; SPARC64-NEXT: save %sp, -192, %sp
|
||||
; SPARC64-NEXT: call __gnu_h2f_ieee
|
||||
; SPARC64-NEXT: lduh [%i0], %o0
|
||||
; SPARC64-NEXT: st %f0, [%fp+2043] ! 4-byte Folded Spill
|
||||
; SPARC64-NEXT: call __gnu_h2f_ieee
|
||||
; SPARC64-NEXT: lduh [%i1], %o0
|
||||
; SPARC64-NEXT: ld [%fp+2043], %f1 ! 4-byte Folded Reload
|
||||
; SPARC64-NEXT: call __gnu_f2h_ieee
|
||||
; SPARC64-NEXT: fmuls %f1, %f0, %f1
|
||||
; SPARC64-NEXT: sth %o0, [%i0]
|
||||
; SPARC64-NEXT: ret
|
||||
; SPARC64-NEXT: restore
|
||||
%a = load half, half* %p
|
||||
%b = load half, half* %q
|
||||
%r = fmul half %a, %b
|
||||
store half %r, half* %p
|
||||
ret void
|
||||
}
|
||||
Loading…
Reference in New Issue