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59 lines
1.9 KiB
LLVM
59 lines
1.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -O0 < %s | FileCheck %s
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target datalayout = "e-m:e-i64:64-n32:64"
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target triple = "powerpc64le-unknown-linux-gnu"
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define void @bn_mul_comba8(i64* nocapture %r, i64* nocapture readonly %a, i64* nocapture readonly %b) {
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; CHECK-LABEL: bn_mul_comba8:
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; CHECK: # BB#0:
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; CHECK-NEXT: ld 6, 0(4)
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; CHECK-NEXT: ld 7, 0(5)
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; CHECK-NEXT: mulhdu 8, 7, 6
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; CHECK-NEXT: ld 4, 8(4)
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; CHECK-NEXT: mulld 9, 4, 6
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; CHECK-NEXT: mulhdu 4, 4, 6
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; CHECK-NEXT: addc 6, 9, 8
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; CHECK-NEXT: addze 4, 4
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; CHECK-NEXT: ld 5, 8(5)
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; CHECK-NEXT: mulld 8, 5, 7
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; CHECK-NEXT: mulhdu 5, 5, 7
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; CHECK-NEXT: addc 6, 6, 8
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; CHECK-NEXT: addze 5, 5
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; CHECK-NEXT: add 4, 5, 4
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; CHECK-NEXT: cmpld 7, 4, 5
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; CHECK-NEXT: mfocrf 10, 1
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; CHECK-NEXT: rlwinm 10, 10, 29, 31, 31
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; CHECK-NEXT: # implicit-def: %X4
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; CHECK-NEXT: mr 4, 10
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; CHECK-NEXT: clrldi 4, 4, 32
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; CHECK-NEXT: std 4, 0(3)
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; CHECK-NEXT: blr
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%1 = load i64, i64* %a, align 8
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%conv = zext i64 %1 to i128
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%2 = load i64, i64* %b, align 8
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%conv2 = zext i64 %2 to i128
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%mul = mul nuw i128 %conv2, %conv
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%shr = lshr i128 %mul, 64
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%agep = getelementptr inbounds i64, i64* %a, i64 1
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%3 = load i64, i64* %agep, align 8
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%conv14 = zext i64 %3 to i128
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%mul15 = mul nuw i128 %conv14, %conv
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%add17 = add i128 %mul15, %shr
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%shr19 = lshr i128 %add17, 64
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%conv20 = trunc i128 %shr19 to i64
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%bgep = getelementptr inbounds i64, i64* %b, i64 1
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%4 = load i64, i64* %bgep, align 8
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%conv28 = zext i64 %4 to i128
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%mul31 = mul nuw i128 %conv28, %conv2
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%conv32 = and i128 %add17, 18446744073709551615
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%add33 = add i128 %conv32, %mul31
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%shr35 = lshr i128 %add33, 64
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%conv36 = trunc i128 %shr35 to i64
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%add37 = add i64 %conv36, %conv20
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%cmp38 = icmp ult i64 %add37, %conv36
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%conv148 = zext i1 %cmp38 to i64
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store i64 %conv148, i64* %r, align 8
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ret void
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}
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