; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i686-linux | FileCheck %s -check-prefix=CHECK-32 ; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s -check-prefix=CHECK-64 define i1 @is_nan_f80(x86_fp80 %x) { ; CHECK-32-LABEL: is_nan_f80: ; CHECK-32: # %bb.0: # %entry ; CHECK-32-NEXT: fldt {{[0-9]+}}(%esp) ; CHECK-32-NEXT: fucomp %st(0) ; CHECK-32-NEXT: fnstsw %ax ; CHECK-32-NEXT: # kill: def $ah killed $ah killed $ax ; CHECK-32-NEXT: sahf ; CHECK-32-NEXT: setp %al ; CHECK-32-NEXT: retl ; ; CHECK-64-LABEL: is_nan_f80: ; CHECK-64: # %bb.0: # %entry ; CHECK-64-NEXT: fldt {{[0-9]+}}(%rsp) ; CHECK-64-NEXT: fucompi %st(0), %st ; CHECK-64-NEXT: setp %al ; CHECK-64-NEXT: retq entry: %0 = tail call i1 @llvm.is.fpclass.f80(x86_fp80 %x, i32 3) ; "nan" ret i1 %0 } define i1 @is_nan_f80_strict(x86_fp80 %x) strictfp { ; CHECK-32-LABEL: is_nan_f80_strict: ; CHECK-32: # %bb.0: # %entry ; CHECK-32-NEXT: pushl %esi ; CHECK-32-NEXT: .cfi_def_cfa_offset 8 ; CHECK-32-NEXT: .cfi_offset %esi, -8 ; CHECK-32-NEXT: movl {{[0-9]+}}(%esp), %eax ; CHECK-32-NEXT: movzwl {{[0-9]+}}(%esp), %ecx ; CHECK-32-NEXT: andl $32767, %ecx # imm = 0x7FFF ; CHECK-32-NEXT: xorl %edx, %edx ; CHECK-32-NEXT: cmpl {{[0-9]+}}(%esp), %edx ; CHECK-32-NEXT: movl $-2147483648, %esi # imm = 0x80000000 ; CHECK-32-NEXT: sbbl %eax, %esi ; CHECK-32-NEXT: movl $32767, %esi # imm = 0x7FFF ; CHECK-32-NEXT: sbbl %ecx, %esi ; CHECK-32-NEXT: sbbl %edx, %edx ; CHECK-32-NEXT: setl %dl ; CHECK-32-NEXT: testl %ecx, %ecx ; CHECK-32-NEXT: sete %cl ; CHECK-32-NEXT: shrl $31, %eax ; CHECK-32-NEXT: xorb %cl, %al ; CHECK-32-NEXT: xorb $1, %al ; CHECK-32-NEXT: orb %dl, %al ; CHECK-32-NEXT: # kill: def $al killed $al killed $eax ; CHECK-32-NEXT: popl %esi ; CHECK-32-NEXT: .cfi_def_cfa_offset 4 ; CHECK-32-NEXT: retl ; ; CHECK-64-LABEL: is_nan_f80_strict: ; CHECK-64: # %bb.0: # %entry ; CHECK-64-NEXT: movzwl {{[0-9]+}}(%rsp), %eax ; CHECK-64-NEXT: movq {{[0-9]+}}(%rsp), %rcx ; CHECK-64-NEXT: andl $32767, %eax # imm = 0x7FFF ; CHECK-64-NEXT: movabsq $-9223372036854775808, %rdx # imm = 0x8000000000000000 ; CHECK-64-NEXT: cmpq %rcx, %rdx ; CHECK-64-NEXT: movl $32767, %edx # imm = 0x7FFF ; CHECK-64-NEXT: sbbq %rax, %rdx ; CHECK-64-NEXT: setl %dl ; CHECK-64-NEXT: shrq $63, %rcx ; CHECK-64-NEXT: testq %rax, %rax ; CHECK-64-NEXT: sete %al ; CHECK-64-NEXT: xorb %cl, %al ; CHECK-64-NEXT: xorb $1, %al ; CHECK-64-NEXT: orb %dl, %al ; CHECK-64-NEXT: retq entry: %0 = tail call i1 @llvm.is.fpclass.f80(x86_fp80 %x, i32 3) ; "nan" ret i1 %0 } define i1 @is_snan_f80(x86_fp80 %x) { ; CHECK-32-LABEL: is_snan_f80: ; CHECK-32: # %bb.0: # %entry ; CHECK-32-NEXT: pushl %ebx ; CHECK-32-NEXT: .cfi_def_cfa_offset 8 ; CHECK-32-NEXT: pushl %esi ; CHECK-32-NEXT: .cfi_def_cfa_offset 12 ; CHECK-32-NEXT: .cfi_offset %esi, -12 ; CHECK-32-NEXT: .cfi_offset %ebx, -8 ; CHECK-32-NEXT: movl {{[0-9]+}}(%esp), %edx ; CHECK-32-NEXT: movzwl {{[0-9]+}}(%esp), %eax ; CHECK-32-NEXT: andl $32767, %eax # imm = 0x7FFF ; CHECK-32-NEXT: xorl %ecx, %ecx ; CHECK-32-NEXT: cmpl {{[0-9]+}}(%esp), %ecx ; CHECK-32-NEXT: movl $-2147483648, %esi # imm = 0x80000000 ; CHECK-32-NEXT: sbbl %edx, %esi ; CHECK-32-NEXT: movl $32767, %esi # imm = 0x7FFF ; CHECK-32-NEXT: sbbl %eax, %esi ; CHECK-32-NEXT: movl $0, %esi ; CHECK-32-NEXT: sbbl %esi, %esi ; CHECK-32-NEXT: setl %bl ; CHECK-32-NEXT: cmpl $-1073741824, %edx # imm = 0xC0000000 ; CHECK-32-NEXT: sbbl $32767, %eax # imm = 0x7FFF ; CHECK-32-NEXT: sbbl %ecx, %ecx ; CHECK-32-NEXT: setl %al ; CHECK-32-NEXT: andb %bl, %al ; CHECK-32-NEXT: popl %esi ; CHECK-32-NEXT: .cfi_def_cfa_offset 8 ; CHECK-32-NEXT: popl %ebx ; CHECK-32-NEXT: .cfi_def_cfa_offset 4 ; CHECK-32-NEXT: retl ; ; CHECK-64-LABEL: is_snan_f80: ; CHECK-64: # %bb.0: # %entry ; CHECK-64-NEXT: movzwl {{[0-9]+}}(%rsp), %eax ; CHECK-64-NEXT: movq {{[0-9]+}}(%rsp), %rcx ; CHECK-64-NEXT: andl $32767, %eax # imm = 0x7FFF ; CHECK-64-NEXT: movabsq $-4611686018427387904, %rdx # imm = 0xC000000000000000 ; CHECK-64-NEXT: cmpq %rdx, %rcx ; CHECK-64-NEXT: movq %rax, %rdx ; CHECK-64-NEXT: sbbq $32767, %rdx # imm = 0x7FFF ; CHECK-64-NEXT: setl %dl ; CHECK-64-NEXT: movabsq $-9223372036854775808, %rsi # imm = 0x8000000000000000 ; CHECK-64-NEXT: cmpq %rcx, %rsi ; CHECK-64-NEXT: movl $32767, %ecx # imm = 0x7FFF ; CHECK-64-NEXT: sbbq %rax, %rcx ; CHECK-64-NEXT: setl %al ; CHECK-64-NEXT: andb %dl, %al ; CHECK-64-NEXT: retq entry: %0 = tail call i1 @llvm.is.fpclass.f80(x86_fp80 %x, i32 1) ; "snan" ret i1 %0 } define i1 @is_qnan_f80(x86_fp80 %x) { ; CHECK-32-LABEL: is_qnan_f80: ; CHECK-32: # %bb.0: # %entry ; CHECK-32-NEXT: movzwl {{[0-9]+}}(%esp), %eax ; CHECK-32-NEXT: andl $32767, %eax # imm = 0x7FFF ; CHECK-32-NEXT: xorl %ecx, %ecx ; CHECK-32-NEXT: movl $-1073741825, %edx # imm = 0xBFFFFFFF ; CHECK-32-NEXT: cmpl {{[0-9]+}}(%esp), %edx ; CHECK-32-NEXT: movl $32767, %edx # imm = 0x7FFF ; CHECK-32-NEXT: sbbl %eax, %edx ; CHECK-32-NEXT: sbbl %ecx, %ecx ; CHECK-32-NEXT: setl %al ; CHECK-32-NEXT: retl ; ; CHECK-64-LABEL: is_qnan_f80: ; CHECK-64: # %bb.0: # %entry ; CHECK-64-NEXT: movzwl {{[0-9]+}}(%rsp), %eax ; CHECK-64-NEXT: andl $32767, %eax # imm = 0x7FFF ; CHECK-64-NEXT: movabsq $-4611686018427387905, %rcx # imm = 0xBFFFFFFFFFFFFFFF ; CHECK-64-NEXT: cmpq {{[0-9]+}}(%rsp), %rcx ; CHECK-64-NEXT: movl $32767, %ecx # imm = 0x7FFF ; CHECK-64-NEXT: sbbq %rax, %rcx ; CHECK-64-NEXT: setl %al ; CHECK-64-NEXT: retq entry: %0 = tail call i1 @llvm.is.fpclass.f80(x86_fp80 %x, i32 2) ; "qnan" ret i1 %0 } define i1 @is_zero_f80(x86_fp80 %x) { ; CHECK-32-LABEL: is_zero_f80: ; CHECK-32: # %bb.0: # %entry ; CHECK-32-NEXT: fldt {{[0-9]+}}(%esp) ; CHECK-32-NEXT: fldz ; CHECK-32-NEXT: fucompp ; CHECK-32-NEXT: fnstsw %ax ; CHECK-32-NEXT: # kill: def $ah killed $ah killed $ax ; CHECK-32-NEXT: sahf ; CHECK-32-NEXT: setnp %cl ; CHECK-32-NEXT: sete %al ; CHECK-32-NEXT: andb %cl, %al ; CHECK-32-NEXT: retl ; ; CHECK-64-LABEL: is_zero_f80: ; CHECK-64: # %bb.0: # %entry ; CHECK-64-NEXT: fldt {{[0-9]+}}(%rsp) ; CHECK-64-NEXT: fldz ; CHECK-64-NEXT: fucompi %st(1), %st ; CHECK-64-NEXT: fstp %st(0) ; CHECK-64-NEXT: setnp %cl ; CHECK-64-NEXT: sete %al ; CHECK-64-NEXT: andb %cl, %al ; CHECK-64-NEXT: retq entry: %0 = tail call i1 @llvm.is.fpclass.f80(x86_fp80 %x, i32 96) ; 0x60 = "zero" ret i1 %0 } define i1 @is_zero_f80_strict(x86_fp80 %x) strictfp { ; CHECK-32-LABEL: is_zero_f80_strict: ; CHECK-32: # %bb.0: # %entry ; CHECK-32-NEXT: movzwl {{[0-9]+}}(%esp), %eax ; CHECK-32-NEXT: andl $32767, %eax # imm = 0x7FFF ; CHECK-32-NEXT: orl {{[0-9]+}}(%esp), %eax ; CHECK-32-NEXT: orl {{[0-9]+}}(%esp), %eax ; CHECK-32-NEXT: sete %al ; CHECK-32-NEXT: retl ; ; CHECK-64-LABEL: is_zero_f80_strict: ; CHECK-64: # %bb.0: # %entry ; CHECK-64-NEXT: movzwl {{[0-9]+}}(%rsp), %eax ; CHECK-64-NEXT: andl $32767, %eax # imm = 0x7FFF ; CHECK-64-NEXT: orq {{[0-9]+}}(%rsp), %rax ; CHECK-64-NEXT: sete %al ; CHECK-64-NEXT: retq entry: %0 = tail call i1 @llvm.is.fpclass.f80(x86_fp80 %x, i32 96) ; 0x60 = "zero" ret i1 %0 } define i1 @is_poszero_f80(x86_fp80 %x) { ; CHECK-32-LABEL: is_poszero_f80: ; CHECK-32: # %bb.0: # %entry ; CHECK-32-NEXT: movzwl {{[0-9]+}}(%esp), %eax ; CHECK-32-NEXT: orl {{[0-9]+}}(%esp), %eax ; CHECK-32-NEXT: orl {{[0-9]+}}(%esp), %eax ; CHECK-32-NEXT: sete %al ; CHECK-32-NEXT: retl ; ; CHECK-64-LABEL: is_poszero_f80: ; CHECK-64: # %bb.0: # %entry ; CHECK-64-NEXT: movzwl {{[0-9]+}}(%rsp), %eax ; CHECK-64-NEXT: orq {{[0-9]+}}(%rsp), %rax ; CHECK-64-NEXT: sete %al ; CHECK-64-NEXT: retq entry: %0 = tail call i1 @llvm.is.fpclass.f80(x86_fp80 %x, i32 64) ; 0x40 = "+zero" ret i1 %0 } define i1 @is_negzero_f80(x86_fp80 %x) { ; CHECK-32-LABEL: is_negzero_f80: ; CHECK-32: # %bb.0: # %entry ; CHECK-32-NEXT: movzwl {{[0-9]+}}(%esp), %eax ; CHECK-32-NEXT: xorl $32768, %eax # imm = 0x8000 ; CHECK-32-NEXT: orl {{[0-9]+}}(%esp), %eax ; CHECK-32-NEXT: orl {{[0-9]+}}(%esp), %eax ; CHECK-32-NEXT: sete %al ; CHECK-32-NEXT: retl ; ; CHECK-64-LABEL: is_negzero_f80: ; CHECK-64: # %bb.0: # %entry ; CHECK-64-NEXT: movzwl {{[0-9]+}}(%rsp), %eax ; CHECK-64-NEXT: xorq $32768, %rax # imm = 0x8000 ; CHECK-64-NEXT: orq {{[0-9]+}}(%rsp), %rax ; CHECK-64-NEXT: sete %al ; CHECK-64-NEXT: retq entry: %0 = tail call i1 @llvm.is.fpclass.f80(x86_fp80 %x, i32 32) ; 0x20 = "-zero" ret i1 %0 } define i1 @is_inf_f80(x86_fp80 %x) { ; CHECK-32-LABEL: is_inf_f80: ; CHECK-32: # %bb.0: # %entry ; CHECK-32-NEXT: movl {{[0-9]+}}(%esp), %eax ; CHECK-32-NEXT: notl %eax ; CHECK-32-NEXT: movl $-2147483648, %ecx # imm = 0x80000000 ; CHECK-32-NEXT: xorl {{[0-9]+}}(%esp), %ecx ; CHECK-32-NEXT: andl $32767, %eax # imm = 0x7FFF ; CHECK-32-NEXT: orl {{[0-9]+}}(%esp), %eax ; CHECK-32-NEXT: orl %ecx, %eax ; CHECK-32-NEXT: sete %al ; CHECK-32-NEXT: retl ; ; CHECK-64-LABEL: is_inf_f80: ; CHECK-64: # %bb.0: # %entry ; CHECK-64-NEXT: movl {{[0-9]+}}(%rsp), %eax ; CHECK-64-NEXT: notl %eax ; CHECK-64-NEXT: andl $32767, %eax # imm = 0x7FFF ; CHECK-64-NEXT: movabsq $-9223372036854775808, %rcx # imm = 0x8000000000000000 ; CHECK-64-NEXT: xorq {{[0-9]+}}(%rsp), %rcx ; CHECK-64-NEXT: orq %rax, %rcx ; CHECK-64-NEXT: sete %al ; CHECK-64-NEXT: retq entry: %0 = tail call i1 @llvm.is.fpclass.f80(x86_fp80 %x, i32 516) ; 0x204 = "inf" ret i1 %0 } define i1 @is_posinf_f80(x86_fp80 %x) { ; CHECK-32-LABEL: is_posinf_f80: ; CHECK-32: # %bb.0: # %entry ; CHECK-32-NEXT: movzwl {{[0-9]+}}(%esp), %eax ; CHECK-32-NEXT: movl $-2147483648, %ecx # imm = 0x80000000 ; CHECK-32-NEXT: xorl {{[0-9]+}}(%esp), %ecx ; CHECK-32-NEXT: xorl $32767, %eax # imm = 0x7FFF ; CHECK-32-NEXT: orl {{[0-9]+}}(%esp), %eax ; CHECK-32-NEXT: orl %ecx, %eax ; CHECK-32-NEXT: sete %al ; CHECK-32-NEXT: retl ; ; CHECK-64-LABEL: is_posinf_f80: ; CHECK-64: # %bb.0: # %entry ; CHECK-64-NEXT: movzwl {{[0-9]+}}(%rsp), %eax ; CHECK-64-NEXT: movabsq $-9223372036854775808, %rcx # imm = 0x8000000000000000 ; CHECK-64-NEXT: xorq {{[0-9]+}}(%rsp), %rcx ; CHECK-64-NEXT: xorq $32767, %rax # imm = 0x7FFF ; CHECK-64-NEXT: orq %rcx, %rax ; CHECK-64-NEXT: sete %al ; CHECK-64-NEXT: retq entry: %0 = tail call i1 @llvm.is.fpclass.f80(x86_fp80 %x, i32 512) ; 0x200 = "+inf" ret i1 %0 } define i1 @is_neginf_f80(x86_fp80 %x) { ; CHECK-32-LABEL: is_neginf_f80: ; CHECK-32: # %bb.0: # %entry ; CHECK-32-NEXT: movzwl {{[0-9]+}}(%esp), %eax ; CHECK-32-NEXT: xorl $65535, %eax # imm = 0xFFFF ; CHECK-32-NEXT: movl $-2147483648, %ecx # imm = 0x80000000 ; CHECK-32-NEXT: xorl {{[0-9]+}}(%esp), %ecx ; CHECK-32-NEXT: orl {{[0-9]+}}(%esp), %eax ; CHECK-32-NEXT: orl %ecx, %eax ; CHECK-32-NEXT: sete %al ; CHECK-32-NEXT: retl ; ; CHECK-64-LABEL: is_neginf_f80: ; CHECK-64: # %bb.0: # %entry ; CHECK-64-NEXT: movl {{[0-9]+}}(%rsp), %eax ; CHECK-64-NEXT: notl %eax ; CHECK-64-NEXT: movzwl %ax, %eax ; CHECK-64-NEXT: movabsq $-9223372036854775808, %rcx # imm = 0x8000000000000000 ; CHECK-64-NEXT: xorq {{[0-9]+}}(%rsp), %rcx ; CHECK-64-NEXT: orq %rax, %rcx ; CHECK-64-NEXT: sete %al ; CHECK-64-NEXT: retq entry: %0 = tail call i1 @llvm.is.fpclass.f80(x86_fp80 %x, i32 4) ; "-inf" ret i1 %0 } define i1 @is_normal_f80(x86_fp80 %x) { ; CHECK-32-LABEL: is_normal_f80: ; CHECK-32: # %bb.0: # %entry ; CHECK-32-NEXT: movl {{[0-9]+}}(%esp), %eax ; CHECK-32-NEXT: movzwl {{[0-9]+}}(%esp), %ecx ; CHECK-32-NEXT: andl $32767, %ecx # imm = 0x7FFF ; CHECK-32-NEXT: decl %ecx ; CHECK-32-NEXT: movzwl %cx, %ecx ; CHECK-32-NEXT: xorl %edx, %edx ; CHECK-32-NEXT: cmpl $32766, %ecx # imm = 0x7FFE ; CHECK-32-NEXT: sbbl %edx, %edx ; CHECK-32-NEXT: setb %cl ; CHECK-32-NEXT: shrl $31, %eax ; CHECK-32-NEXT: andb %cl, %al ; CHECK-32-NEXT: # kill: def $al killed $al killed $eax ; CHECK-32-NEXT: retl ; ; CHECK-64-LABEL: is_normal_f80: ; CHECK-64: # %bb.0: # %entry ; CHECK-64-NEXT: movzwl {{[0-9]+}}(%rsp), %eax ; CHECK-64-NEXT: movq {{[0-9]+}}(%rsp), %rcx ; CHECK-64-NEXT: shrq $63, %rcx ; CHECK-64-NEXT: andl $32767, %eax # imm = 0x7FFF ; CHECK-64-NEXT: decl %eax ; CHECK-64-NEXT: movzwl %ax, %eax ; CHECK-64-NEXT: cmpl $32766, %eax # imm = 0x7FFE ; CHECK-64-NEXT: setb %al ; CHECK-64-NEXT: andb %cl, %al ; CHECK-64-NEXT: retq entry: %0 = tail call i1 @llvm.is.fpclass.f80(x86_fp80 %x, i32 264) ; 0x108 = "normal" ret i1 %0 } define i1 @is_posnormal_f80(x86_fp80 %x) { ; CHECK-32-LABEL: is_posnormal_f80: ; CHECK-32: # %bb.0: # %entry ; CHECK-32-NEXT: pushl %esi ; CHECK-32-NEXT: .cfi_def_cfa_offset 8 ; CHECK-32-NEXT: .cfi_offset %esi, -8 ; CHECK-32-NEXT: movzwl {{[0-9]+}}(%esp), %edx ; CHECK-32-NEXT: movswl %dx, %ecx ; CHECK-32-NEXT: sarl $15, %ecx ; CHECK-32-NEXT: movl {{[0-9]+}}(%esp), %eax ; CHECK-32-NEXT: andl $32767, %edx # imm = 0x7FFF ; CHECK-32-NEXT: decl %edx ; CHECK-32-NEXT: movzwl %dx, %edx ; CHECK-32-NEXT: xorl %esi, %esi ; CHECK-32-NEXT: cmpl $32766, %edx # imm = 0x7FFE ; CHECK-32-NEXT: sbbl %esi, %esi ; CHECK-32-NEXT: setb %dl ; CHECK-32-NEXT: testl %ecx, %ecx ; CHECK-32-NEXT: setns %cl ; CHECK-32-NEXT: shrl $31, %eax ; CHECK-32-NEXT: andb %cl, %al ; CHECK-32-NEXT: andb %dl, %al ; CHECK-32-NEXT: # kill: def $al killed $al killed $eax ; CHECK-32-NEXT: popl %esi ; CHECK-32-NEXT: .cfi_def_cfa_offset 4 ; CHECK-32-NEXT: retl ; ; CHECK-64-LABEL: is_posnormal_f80: ; CHECK-64: # %bb.0: # %entry ; CHECK-64-NEXT: movq {{[0-9]+}}(%rsp), %rax ; CHECK-64-NEXT: movswq {{[0-9]+}}(%rsp), %rcx ; CHECK-64-NEXT: testq %rcx, %rcx ; CHECK-64-NEXT: setns %dl ; CHECK-64-NEXT: andl $32767, %ecx # imm = 0x7FFF ; CHECK-64-NEXT: decl %ecx ; CHECK-64-NEXT: movzwl %cx, %ecx ; CHECK-64-NEXT: cmpl $32766, %ecx # imm = 0x7FFE ; CHECK-64-NEXT: setb %cl ; CHECK-64-NEXT: shrq $63, %rax ; CHECK-64-NEXT: andb %dl, %al ; CHECK-64-NEXT: andb %cl, %al ; CHECK-64-NEXT: # kill: def $al killed $al killed $rax ; CHECK-64-NEXT: retq entry: %0 = tail call i1 @llvm.is.fpclass.f80(x86_fp80 %x, i32 256) ; 0x100 = "+normal" ret i1 %0 } define i1 @is_negnormal_f80(x86_fp80 %x) { ; CHECK-32-LABEL: is_negnormal_f80: ; CHECK-32: # %bb.0: # %entry ; CHECK-32-NEXT: pushl %esi ; CHECK-32-NEXT: .cfi_def_cfa_offset 8 ; CHECK-32-NEXT: .cfi_offset %esi, -8 ; CHECK-32-NEXT: movzwl {{[0-9]+}}(%esp), %edx ; CHECK-32-NEXT: movswl %dx, %ecx ; CHECK-32-NEXT: sarl $15, %ecx ; CHECK-32-NEXT: movl {{[0-9]+}}(%esp), %eax ; CHECK-32-NEXT: andl $32767, %edx # imm = 0x7FFF ; CHECK-32-NEXT: decl %edx ; CHECK-32-NEXT: movzwl %dx, %edx ; CHECK-32-NEXT: xorl %esi, %esi ; CHECK-32-NEXT: cmpl $32766, %edx # imm = 0x7FFE ; CHECK-32-NEXT: sbbl %esi, %esi ; CHECK-32-NEXT: setb %dl ; CHECK-32-NEXT: testl %ecx, %ecx ; CHECK-32-NEXT: sets %cl ; CHECK-32-NEXT: shrl $31, %eax ; CHECK-32-NEXT: andb %cl, %al ; CHECK-32-NEXT: andb %dl, %al ; CHECK-32-NEXT: # kill: def $al killed $al killed $eax ; CHECK-32-NEXT: popl %esi ; CHECK-32-NEXT: .cfi_def_cfa_offset 4 ; CHECK-32-NEXT: retl ; ; CHECK-64-LABEL: is_negnormal_f80: ; CHECK-64: # %bb.0: # %entry ; CHECK-64-NEXT: movq {{[0-9]+}}(%rsp), %rax ; CHECK-64-NEXT: movswq {{[0-9]+}}(%rsp), %rcx ; CHECK-64-NEXT: testq %rcx, %rcx ; CHECK-64-NEXT: sets %dl ; CHECK-64-NEXT: andl $32767, %ecx # imm = 0x7FFF ; CHECK-64-NEXT: decl %ecx ; CHECK-64-NEXT: movzwl %cx, %ecx ; CHECK-64-NEXT: cmpl $32766, %ecx # imm = 0x7FFE ; CHECK-64-NEXT: setb %cl ; CHECK-64-NEXT: shrq $63, %rax ; CHECK-64-NEXT: andb %dl, %al ; CHECK-64-NEXT: andb %cl, %al ; CHECK-64-NEXT: # kill: def $al killed $al killed $rax ; CHECK-64-NEXT: retq entry: %0 = tail call i1 @llvm.is.fpclass.f80(x86_fp80 %x, i32 8) ; "-normal" ret i1 %0 } define i1 @is_subnormal_f80(x86_fp80 %x) { ; CHECK-32-LABEL: is_subnormal_f80: ; CHECK-32: # %bb.0: # %entry ; CHECK-32-NEXT: pushl %esi ; CHECK-32-NEXT: .cfi_def_cfa_offset 8 ; CHECK-32-NEXT: .cfi_offset %esi, -8 ; CHECK-32-NEXT: movl {{[0-9]+}}(%esp), %esi ; CHECK-32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; CHECK-32-NEXT: movzwl {{[0-9]+}}(%esp), %eax ; CHECK-32-NEXT: andl $32767, %eax # imm = 0x7FFF ; CHECK-32-NEXT: xorl %edx, %edx ; CHECK-32-NEXT: addl $-1, %esi ; CHECK-32-NEXT: adcl $-1, %ecx ; CHECK-32-NEXT: adcl $-1, %eax ; CHECK-32-NEXT: adcl $-1, %edx ; CHECK-32-NEXT: cmpl $-1, %esi ; CHECK-32-NEXT: sbbl $2147483647, %ecx # imm = 0x7FFFFFFF ; CHECK-32-NEXT: sbbl $0, %eax ; CHECK-32-NEXT: sbbl $0, %edx ; CHECK-32-NEXT: setb %al ; CHECK-32-NEXT: popl %esi ; CHECK-32-NEXT: .cfi_def_cfa_offset 4 ; CHECK-32-NEXT: retl ; ; CHECK-64-LABEL: is_subnormal_f80: ; CHECK-64: # %bb.0: # %entry ; CHECK-64-NEXT: movzwl {{[0-9]+}}(%rsp), %eax ; CHECK-64-NEXT: movq {{[0-9]+}}(%rsp), %rcx ; CHECK-64-NEXT: andl $32767, %eax # imm = 0x7FFF ; CHECK-64-NEXT: addq $-1, %rcx ; CHECK-64-NEXT: adcq $-1, %rax ; CHECK-64-NEXT: movabsq $9223372036854775807, %rdx # imm = 0x7FFFFFFFFFFFFFFF ; CHECK-64-NEXT: cmpq %rdx, %rcx ; CHECK-64-NEXT: sbbq $0, %rax ; CHECK-64-NEXT: setb %al ; CHECK-64-NEXT: retq entry: %0 = tail call i1 @llvm.is.fpclass.f80(x86_fp80 %x, i32 144) ; 0x90 = "subnormal" ret i1 %0 } define i1 @is_possubnormal_f80(x86_fp80 %x) { ; CHECK-32-LABEL: is_possubnormal_f80: ; CHECK-32: # %bb.0: # %entry ; CHECK-32-NEXT: pushl %esi ; CHECK-32-NEXT: .cfi_def_cfa_offset 8 ; CHECK-32-NEXT: .cfi_offset %esi, -8 ; CHECK-32-NEXT: movl {{[0-9]+}}(%esp), %eax ; CHECK-32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; CHECK-32-NEXT: movl {{[0-9]+}}(%esp), %edx ; CHECK-32-NEXT: addl $-1, %ecx ; CHECK-32-NEXT: adcl $-1, %edx ; CHECK-32-NEXT: adcl $-1, %eax ; CHECK-32-NEXT: movzwl %ax, %eax ; CHECK-32-NEXT: xorl %esi, %esi ; CHECK-32-NEXT: cmpl $-1, %ecx ; CHECK-32-NEXT: sbbl $2147483647, %edx # imm = 0x7FFFFFFF ; CHECK-32-NEXT: sbbl $0, %eax ; CHECK-32-NEXT: sbbl %esi, %esi ; CHECK-32-NEXT: setb %al ; CHECK-32-NEXT: popl %esi ; CHECK-32-NEXT: .cfi_def_cfa_offset 4 ; CHECK-32-NEXT: retl ; ; CHECK-64-LABEL: is_possubnormal_f80: ; CHECK-64: # %bb.0: # %entry ; CHECK-64-NEXT: movl {{[0-9]+}}(%rsp), %eax ; CHECK-64-NEXT: movq {{[0-9]+}}(%rsp), %rcx ; CHECK-64-NEXT: addq $-1, %rcx ; CHECK-64-NEXT: adcq $-1, %rax ; CHECK-64-NEXT: movzwl %ax, %eax ; CHECK-64-NEXT: movabsq $9223372036854775807, %rdx # imm = 0x7FFFFFFFFFFFFFFF ; CHECK-64-NEXT: cmpq %rdx, %rcx ; CHECK-64-NEXT: sbbq $0, %rax ; CHECK-64-NEXT: setb %al ; CHECK-64-NEXT: retq entry: %0 = tail call i1 @llvm.is.fpclass.f80(x86_fp80 %x, i32 128) ; 0x80 = "+subnormal" ret i1 %0 } define i1 @is_negsubnormal_f80(x86_fp80 %x) { ; CHECK-32-LABEL: is_negsubnormal_f80: ; CHECK-32: # %bb.0: # %entry ; CHECK-32-NEXT: pushl %edi ; CHECK-32-NEXT: .cfi_def_cfa_offset 8 ; CHECK-32-NEXT: pushl %esi ; CHECK-32-NEXT: .cfi_def_cfa_offset 12 ; CHECK-32-NEXT: .cfi_offset %esi, -12 ; CHECK-32-NEXT: .cfi_offset %edi, -8 ; CHECK-32-NEXT: movzwl {{[0-9]+}}(%esp), %ecx ; CHECK-32-NEXT: movswl %cx, %eax ; CHECK-32-NEXT: sarl $15, %eax ; CHECK-32-NEXT: movl {{[0-9]+}}(%esp), %esi ; CHECK-32-NEXT: movl {{[0-9]+}}(%esp), %edi ; CHECK-32-NEXT: andl $32767, %ecx # imm = 0x7FFF ; CHECK-32-NEXT: xorl %edx, %edx ; CHECK-32-NEXT: addl $-1, %esi ; CHECK-32-NEXT: adcl $-1, %edi ; CHECK-32-NEXT: adcl $-1, %ecx ; CHECK-32-NEXT: adcl $-1, %edx ; CHECK-32-NEXT: cmpl $-1, %esi ; CHECK-32-NEXT: sbbl $2147483647, %edi # imm = 0x7FFFFFFF ; CHECK-32-NEXT: sbbl $0, %ecx ; CHECK-32-NEXT: sbbl $0, %edx ; CHECK-32-NEXT: setb %cl ; CHECK-32-NEXT: testl %eax, %eax ; CHECK-32-NEXT: sets %al ; CHECK-32-NEXT: andb %cl, %al ; CHECK-32-NEXT: popl %esi ; CHECK-32-NEXT: .cfi_def_cfa_offset 8 ; CHECK-32-NEXT: popl %edi ; CHECK-32-NEXT: .cfi_def_cfa_offset 4 ; CHECK-32-NEXT: retl ; ; CHECK-64-LABEL: is_negsubnormal_f80: ; CHECK-64: # %bb.0: # %entry ; CHECK-64-NEXT: movzwl {{[0-9]+}}(%rsp), %eax ; CHECK-64-NEXT: movswq %ax, %rcx ; CHECK-64-NEXT: movq {{[0-9]+}}(%rsp), %rdx ; CHECK-64-NEXT: andl $32767, %eax # imm = 0x7FFF ; CHECK-64-NEXT: addq $-1, %rdx ; CHECK-64-NEXT: adcq $-1, %rax ; CHECK-64-NEXT: movabsq $9223372036854775807, %rsi # imm = 0x7FFFFFFFFFFFFFFF ; CHECK-64-NEXT: cmpq %rsi, %rdx ; CHECK-64-NEXT: sbbq $0, %rax ; CHECK-64-NEXT: setb %dl ; CHECK-64-NEXT: testq %rcx, %rcx ; CHECK-64-NEXT: sets %al ; CHECK-64-NEXT: andb %dl, %al ; CHECK-64-NEXT: retq entry: %0 = tail call i1 @llvm.is.fpclass.f80(x86_fp80 %x, i32 16) ; 0x10 = "-subnormal" ret i1 %0 } declare i1 @llvm.is.fpclass.f80(x86_fp80, i32)