2017-05-12 23:59:10 +08:00
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; RUN: llc -march=sparcv9 <%s | FileCheck %s
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;; Ensures that inline-asm accepts and uses 'f' and 'e' register constraints.
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; CHECK-LABEL: faddd:
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; CHECK: faddd %f0, %f2, %f0
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define double @faddd(double, double) local_unnamed_addr #2 {
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entry:
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%2 = tail call double asm sideeffect "faddd $1, $2, $0;", "=f,f,e"(double %0, double %1) #7
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ret double %2
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}
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; CHECK-LABEL: faddq:
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; CHECK: faddq %f0, %f4, %f0
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define fp128 @faddq(fp128, fp128) local_unnamed_addr #2 {
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entry:
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%2 = tail call fp128 asm sideeffect "faddq $1, $2, $0;", "=f,f,e"(fp128 %0, fp128 %1) #7
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ret fp128 %2
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}
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;; Ensure that 'e' can indeed go in the high area, and 'f' cannot.
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; CHECK-LABEL: faddd_high:
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; CHECK: fmovd %f2, %f32
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; CHECK: fmovd %f0, %f2
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; CHECK: faddd %f2, %f32, %f2
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define double @faddd_high(double, double) local_unnamed_addr #2 {
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entry:
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%2 = tail call double asm sideeffect "faddd $1, $2, $0;", "=f,f,e,~{d0},~{q1},~{q2},~{q3},~{q4},~{q5},~{q6},~{q7}"(double %0, double %1) #7
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ret double %2
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}
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2018-05-30 14:07:55 +08:00
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; CHECK-LABEL: test_constraint_float_reg:
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; CHECK: fadds %f20, %f20, %f20
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; CHECK: faddd %f20, %f20, %f20
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; CHECK: faddq %f40, %f40, %f40
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define void @test_constraint_float_reg() {
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entry:
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tail call void asm sideeffect "fadds $0,$1,$2", "{f20},{f20},{f20}"(float 6.0, float 7.0, float 8.0)
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tail call void asm sideeffect "faddd $0,$1,$2", "{f20},{f20},{f20}"(double 9.0, double 10.0, double 11.0)
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tail call void asm sideeffect "faddq $0,$1,$2", "{f40},{f40},{f40}"(fp128 0xL0, fp128 0xL0, fp128 0xL0)
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ret void
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}
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