; RUN: llc < %s -O2 -mtriple=x86_64-linux-android -mattr=+mmx | FileCheck %s --check-prefix=X64
; RUN: llc < %s -O2 -mtriple=x86_64-linux-gnu -mattr=+mmx | FileCheck %s --check-prefix=X64
; RUN: llc < %s -O2 -mtriple=i686-linux-gnu -mattr=+mmx | FileCheck %s --check-prefix=X32
; Check soft floating point conversion function calls.
@vi32 = common global i32 0, align 4
@vi64 = common global i64 0, align 8
@vu32 = common global i32 0, align 4
@vu64 = common global i64 0, align 8
@vf32 = common global float 0.000000e+00, align 4
@vf64 = common global double 0.000000e+00, align 8
@vf128 = common global fp128 0xL00000000000000000000000000000000, align 16
define void @TestFPExtF32_F128() {
entry:
%0 = load float, float* @vf32, align 4
%conv = fpext float %0 to fp128
store fp128 %conv, fp128* @vf128, align 16
ret void
; X32-LABEL: TestFPExtF32_F128:
; X32: flds vf32
; X32: fstps
; X32: calll __extendsftf2
; X32: retl
;
; X64-LABEL: TestFPExtF32_F128:
; X64: movss vf32(%rip), %xmm0
; X64-NEXT: callq __extendsftf2
; X64-NEXT: movaps %xmm0, vf128(%rip)
; X64: retq
}
define void @TestFPExtF64_F128() {
entry:
%0 = load double, double* @vf64, align 8
%conv = fpext double %0 to fp128
store fp128 %conv, fp128* @vf128, align 16
ret void
; X32-LABEL: TestFPExtF64_F128:
; X32: fldl vf64
; X32: fstpl
; X32: calll __extenddftf2
; X32: retl
;
; X64-LABEL: TestFPExtF64_F128:
; X64: movsd vf64(%rip), %xmm0
; X64-NEXT: callq __extenddftf2
; X64-NEXT: movapd %xmm0, vf128(%rip)
; X64: ret
}
define void @TestFPToSIF128_I32() {
entry:
%0 = load fp128, fp128* @vf128, align 16
%conv = fptosi fp128 %0 to i32
store i32 %conv, i32* @vi32, align 4
ret void
; X32-LABEL: TestFPToSIF128_I32:
; X32: calll __fixtfsi
; X32: retl
;
; X64-LABEL: TestFPToSIF128_I32:
; X64: movaps vf128(%rip), %xmm0
; X64-NEXT: callq __fixtfsi
; X64-NEXT: movl %eax, vi32(%rip)
; X64: retq
}
define void @TestFPToUIF128_U32() {
entry:
%0 = load fp128, fp128* @vf128, align 16
%conv = fptoui fp128 %0 to i32
store i32 %conv, i32* @vu32, align 4
ret void
; X32-LABEL: TestFPToUIF128_U32:
; X32: calll __fixunstfsi
; X32: retl
;
; X64-LABEL: TestFPToUIF128_U32:
; X64: movaps vf128(%rip), %xmm0
; X64-NEXT: callq __fixunstfsi
; X64-NEXT: movl %eax, vu32(%rip)
; X64: retq
}
define void @TestFPToSIF128_I64() {
entry:
%0 = load fp128, fp128* @vf128, align 16
%conv = fptosi fp128 %0 to i32
%conv1 = sext i32 %conv to i64
store i64 %conv1, i64* @vi64, align 8
ret void
; X32-LABEL: TestFPToSIF128_I64:
; X32: calll __fixtfsi
; X32: retl
;
; X64-LABEL: TestFPToSIF128_I64:
; X64: movaps vf128(%rip), %xmm0
; X64-NEXT: callq __fixtfsi
; X64-NEXT: cltq
; X64-NEXT: movq %rax, vi64(%rip)
; X64: retq
}
define void @TestFPToUIF128_U64() {
entry:
%0 = load fp128, fp128* @vf128, align 16
%conv = fptoui fp128 %0 to i32
%conv1 = zext i32 %conv to i64
store i64 %conv1, i64* @vu64, align 8
ret void
; X32-LABEL: TestFPToUIF128_U64:
; X32: calll __fixunstfsi
; X32: retl
;
; X64-LABEL: TestFPToUIF128_U64:
; X64: movaps vf128(%rip), %xmm0
; X64-NEXT: callq __fixunstfsi
; X64-NEXT: movl %eax, %eax
; X64-NEXT: movq %rax, vu64(%rip)
; X64: retq
}
define void @TestFPTruncF128_F32() {
entry:
%0 = load fp128, fp128* @vf128, align 16
%conv = fptrunc fp128 %0 to float
store float %conv, float* @vf32, align 4
ret void
; X32-LABEL: TestFPTruncF128_F32:
; X32: calll __trunctfsf2
; X32: fstps vf32
; X32: retl
;
; X64-LABEL: TestFPTruncF128_F32:
; X64: movaps vf128(%rip), %xmm0
; X64-NEXT: callq __trunctfsf2
; X64-NEXT: movss %xmm0, vf32(%rip)
; X64: retq
}
define void @TestFPTruncF128_F64() {
entry:
%0 = load fp128, fp128* @vf128, align 16
%conv = fptrunc fp128 %0 to double
store double %conv, double* @vf64, align 8
ret void
; X32-LABEL: TestFPTruncF128_F64:
; X32: calll __trunctfdf2
; X32: fstpl vf64
; X32: retl
;
; X64-LABEL: TestFPTruncF128_F64:
; X64: movapd vf128(%rip), %xmm0
; X64-NEXT: callq __trunctfdf2
; X64-NEXT: movsd %xmm0, vf64(%rip)
; X64: retq
}
define void @TestSIToFPI32_F128() {
entry:
%0 = load i32, i32* @vi32, align 4
%conv = sitofp i32 %0 to fp128
store fp128 %conv, fp128* @vf128, align 16
ret void
; X32-LABEL: TestSIToFPI32_F128:
; X32: calll __floatsitf
; X32: retl
;
; X64-LABEL: TestSIToFPI32_F128:
; X64: movl vi32(%rip), %edi
; X64-NEXT: callq __floatsitf
; X64-NEXT: movaps %xmm0, vf128(%rip)
; X64: retq
}
define void @TestUIToFPU32_F128() #2 {
entry:
%0 = load i32, i32* @vu32, align 4
%conv = uitofp i32 %0 to fp128
store fp128 %conv, fp128* @vf128, align 16
ret void
; X32-LABEL: TestUIToFPU32_F128:
; X32: calll __floatunsitf
; X32: retl
;
; X64-LABEL: TestUIToFPU32_F128:
; X64: movl vu32(%rip), %edi
; X64-NEXT: callq __floatunsitf
; X64-NEXT: movaps %xmm0, vf128(%rip)
; X64: retq
}
define void @TestSIToFPI64_F128(){
entry:
%0 = load i64, i64* @vi64, align 8
%conv = sitofp i64 %0 to fp128
store fp128 %conv, fp128* @vf128, align 16
ret void
; X32-LABEL: TestSIToFPI64_F128:
; X32: calll __floatditf
; X32: retl
;
; X64-LABEL: TestSIToFPI64_F128:
; X64: movq vi64(%rip), %rdi
; X64-NEXT: callq __floatditf
; X64-NEXT: movaps %xmm0, vf128(%rip)
; X64: retq
}
define void @TestUIToFPU64_F128() #2 {
entry:
%0 = load i64, i64* @vu64, align 8
%conv = uitofp i64 %0 to fp128
store fp128 %conv, fp128* @vf128, align 16
ret void
; X32-LABEL: TestUIToFPU64_F128:
; X32: calll __floatunditf
; X32: retl
;
; X64-LABEL: TestUIToFPU64_F128:
; X64: movq vu64(%rip), %rdi
; X64-NEXT: callq __floatunditf
; X64-NEXT: movaps %xmm0, vf128(%rip)
; X64: retq
}
define i32 @TestConst128(fp128 %v) {
entry:
%cmp = fcmp ogt fp128 %v, 0xL00000000000000003FFF000000000000
%conv = zext i1 %cmp to i32
ret i32 %conv
; X32-LABEL: TestConst128:
; X32: calll __gttf2
; X32: retl
;
; X64-LABEL: TestConst128:
; X64: movaps {{.*}}, %xmm1
; X64-NEXT: callq __gttf2
; X64-NEXT: xorl
; X64-NEXT: test
; X64: retq
}
; C code:
; struct TestBits_ieee_ext {
; unsigned v1;
; unsigned v2;
; };
; union TestBits_LDU {
; FP128 ld;
; struct TestBits_ieee_ext bits;
; };
; int TestBits128(FP128 ld) {
; union TestBits_LDU u;
; u.ld = ld * ld;
; return ((u.bits.v1 | u.bits.v2) == 0);
; }
define i32 @TestBits128(fp128 %ld) {
entry:
%mul = fmul fp128 %ld, %ld
%0 = bitcast fp128 %mul to i128
%shift = lshr i128 %0, 32
%or5 = or i128 %shift, %0
%or = trunc i128 %or5 to i32
%cmp = icmp eq i32 %or, 0
%conv = zext i1 %cmp to i32
ret i32 %conv
; X32-LABEL: TestBits128:
; X32: calll __multf3
; X32: retl
;
; X64-LABEL: TestBits128:
; X64: movaps %xmm0, %xmm1
; X64-NEXT: callq __multf3
; X64-NEXT: movaps %xmm0, (%rsp)
; X64-NEXT: movq (%rsp),
; X64-NEXT: movq %
; X64-NEXT: shrq $32,
; X64: xorl %eax, %eax
; X64-NEXT: orl
; X64-NEXT: sete %al
; X64: retq
;
; If TestBits128 fails due to any llvm or clang change,
; please make sure the original simplified C code will
; be compiled into correct IL and assembly code, not
; just this TestBits128 test case. Better yet, try to
; test the whole libm and its test cases.
}
; C code: (compiled with -target x86_64-linux-android)
; typedef long double __float128;
; __float128 TestPair128(unsigned long a, unsigned long b) {
; unsigned __int128 n;
; unsigned __int128 v1 = ((unsigned __int128)a << 64);
; unsigned __int128 v2 = (unsigned __int128)b;
; n = (v1 | v2) + 3;
; return *(__float128*)&n;
; }
define fp128 @TestPair128(i64 %a, i64 %b) {
entry:
%conv = zext i64 %a to i128
%shl = shl nuw i128 %conv, 64
%conv1 = zext i64 %b to i128
%or = or i128 %shl, %conv1
%add = add i128 %or, 3
%0 = bitcast i128 %add to fp128
ret fp128 %0
; X32-LABEL: TestPair128:
; X32: addl
; X32-NEXT: adcl
; X32-NEXT: adcl
; X32-NEXT: adcl
; X32: retl
;
; X64-LABEL: TestPair128:
; X64: addq $3, %rsi
; X64: movq %rsi, -24(%rsp)
; X64: movq %rdi, -16(%rsp)
; X64: movaps -24(%rsp), %xmm0
; X64-NEXT: retq
}
define fp128 @TestTruncCopysign(fp128 %x, i32 %n) {
entry:
%cmp = icmp sgt i32 %n, 50000
br i1 %cmp, label %if.then, label %cleanup
if.then: ; preds = %entry
%conv = fptrunc fp128 %x to double
%call = tail call double @copysign(double 0x7FF0000000000000, double %conv) #2
%conv1 = fpext double %call to fp128
br label %cleanup
cleanup: ; preds = %entry, %if.then
%retval.0 = phi fp128 [ %conv1, %if.then ], [ %x, %entry ]
ret fp128 %retval.0
; X32-LABEL: TestTruncCopysign:
; X32: calll __trunctfdf2
; X32: fstpl
; X32: flds
; X32: flds
; X32: fstp
; X32: fldz
; X32: fstp
; X32: fstpl
; X32: calll __extenddftf2
; X32: retl
;
; X64-LABEL: TestTruncCopysign:
; X64: callq __trunctfdf2
; X64-NEXT: andpd {{.*}}, %xmm0
; X64-NEXT: orpd {{.*}}, %xmm0
; X64-NEXT: callq __extenddftf2
; X64: retq
}
declare double @copysign(double, double) #1
attributes #2 = { nounwind readnone }