; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-linux | FileCheck %s -check-prefixes=X86
; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s -check-prefixes=X64
define i1 @is_nan_f80(x86_fp80 %x) nounwind {
; X86-LABEL: is_nan_f80:
; X86: # %bb.0: # %entry
; X86-NEXT: fldt {{[0-9]+}}(%esp)
; X86-NEXT: fucomp %st(0)
; X86-NEXT: fnstsw %ax
; X86-NEXT: # kill: def $ah killed $ah killed $ax
; X86-NEXT: sahf
; X86-NEXT: setp %al
; X86-NEXT: retl
;
; X64-LABEL: is_nan_f80:
; X64: # %bb.0: # %entry
; X64-NEXT: fldt {{[0-9]+}}(%rsp)
; X64-NEXT: fucompi %st(0), %st
; X64-NEXT: setp %al
; X64-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) nounwind strictfp {
; X86-LABEL: is_nan_f80_strict:
; X86: # %bb.0: # %entry
; X86-NEXT: pushl %esi
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: movzwl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: andl $32767, %ecx # imm = 0x7FFF
; X86-NEXT: xorl %edx, %edx
; X86-NEXT: cmpl {{[0-9]+}}(%esp), %edx
; X86-NEXT: movl $-2147483648, %esi # imm = 0x80000000
; X86-NEXT: sbbl %eax, %esi
; X86-NEXT: movl $32767, %esi # imm = 0x7FFF
; X86-NEXT: sbbl %ecx, %esi
; X86-NEXT: sbbl %edx, %edx
; X86-NEXT: setl %dl
; X86-NEXT: testl %ecx, %ecx
; X86-NEXT: sete %cl
; X86-NEXT: shrl $31, %eax
; X86-NEXT: xorb %cl, %al
; X86-NEXT: xorb $1, %al
; X86-NEXT: orb %dl, %al
; X86-NEXT: # kill: def $al killed $al killed $eax
; X86-NEXT: popl %esi
; X86-NEXT: retl
;
; X64-LABEL: is_nan_f80_strict:
; X64: # %bb.0: # %entry
; X64-NEXT: movzwl {{[0-9]+}}(%rsp), %eax
; X64-NEXT: movq {{[0-9]+}}(%rsp), %rcx
; X64-NEXT: andl $32767, %eax # imm = 0x7FFF
; X64-NEXT: movabsq $-9223372036854775808, %rdx # imm = 0x8000000000000000
; X64-NEXT: cmpq %rcx, %rdx
; X64-NEXT: movl $32767, %edx # imm = 0x7FFF
; X64-NEXT: sbbq %rax, %rdx
; X64-NEXT: setl %dl
; X64-NEXT: shrq $63, %rcx
; X64-NEXT: testq %rax, %rax
; X64-NEXT: sete %al
; X64-NEXT: xorb %cl, %al
; X64-NEXT: xorb $1, %al
; X64-NEXT: orb %dl, %al
; X64-NEXT: retq
entry:
%0 = tail call i1 @llvm.is.fpclass.f80(x86_fp80 %x, i32 3) strictfp ; "nan"
ret i1 %0
}
define i1 @is_snan_f80(x86_fp80 %x) nounwind {
; X86-LABEL: is_snan_f80:
; X86: # %bb.0: # %entry
; X86-NEXT: pushl %ebx
; X86-NEXT: pushl %esi
; X86-NEXT: movl {{[0-9]+}}(%esp), %edx
; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
; X86-NEXT: andl $32767, %eax # imm = 0x7FFF
; X86-NEXT: xorl %ecx, %ecx
; X86-NEXT: cmpl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: movl $-2147483648, %esi # imm = 0x80000000
; X86-NEXT: sbbl %edx, %esi
; X86-NEXT: movl $32767, %esi # imm = 0x7FFF
; X86-NEXT: sbbl %eax, %esi
; X86-NEXT: movl $0, %esi
; X86-NEXT: sbbl %esi, %esi
; X86-NEXT: setl %bl
; X86-NEXT: cmpl $-1073741824, %edx # imm = 0xC0000000
; X86-NEXT: sbbl $32767, %eax # imm = 0x7FFF
; X86-NEXT: sbbl %ecx, %ecx
; X86-NEXT: setl %al
; X86-NEXT: andb %bl, %al
; X86-NEXT: popl %esi
; X86-NEXT: popl %ebx
; X86-NEXT: retl
;
; X64-LABEL: is_snan_f80:
; X64: # %bb.0: # %entry
; X64-NEXT: movzwl {{[0-9]+}}(%rsp), %eax
; X64-NEXT: movq {{[0-9]+}}(%rsp), %rcx
; X64-NEXT: andl $32767, %eax # imm = 0x7FFF
; X64-NEXT: movabsq $-4611686018427387904, %rdx # imm = 0xC000000000000000
; X64-NEXT: cmpq %rdx, %rcx
; X64-NEXT: movq %rax, %rdx
; X64-NEXT: sbbq $32767, %rdx # imm = 0x7FFF
; X64-NEXT: setl %dl
; X64-NEXT: movabsq $-9223372036854775808, %rsi # imm = 0x8000000000000000
; X64-NEXT: cmpq %rcx, %rsi
; X64-NEXT: movl $32767, %ecx # imm = 0x7FFF
; X64-NEXT: sbbq %rax, %rcx
; X64-NEXT: setl %al
; X64-NEXT: andb %dl, %al
; X64-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) nounwind {
; X86-LABEL: is_qnan_f80:
; X86: # %bb.0: # %entry
; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
; X86-NEXT: andl $32767, %eax # imm = 0x7FFF
; X86-NEXT: xorl %ecx, %ecx
; X86-NEXT: movl $-1073741825, %edx # imm = 0xBFFFFFFF
; X86-NEXT: cmpl {{[0-9]+}}(%esp), %edx
; X86-NEXT: movl $32767, %edx # imm = 0x7FFF
; X86-NEXT: sbbl %eax, %edx
; X86-NEXT: sbbl %ecx, %ecx
; X86-NEXT: setl %al
; X86-NEXT: retl
;
; X64-LABEL: is_qnan_f80:
; X64: # %bb.0: # %entry
; X64-NEXT: movzwl {{[0-9]+}}(%rsp), %eax
; X64-NEXT: andl $32767, %eax # imm = 0x7FFF
; X64-NEXT: movabsq $-4611686018427387905, %rcx # imm = 0xBFFFFFFFFFFFFFFF
; X64-NEXT: cmpq {{[0-9]+}}(%rsp), %rcx
; X64-NEXT: movl $32767, %ecx # imm = 0x7FFF
; X64-NEXT: sbbq %rax, %rcx
; X64-NEXT: setl %al
; X64-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) nounwind {
; X86-LABEL: is_zero_f80:
; X86: # %bb.0: # %entry
; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
; X86-NEXT: andl $32767, %eax # imm = 0x7FFF
; X86-NEXT: orl {{[0-9]+}}(%esp), %eax
; X86-NEXT: orl {{[0-9]+}}(%esp), %eax
; X86-NEXT: sete %al
; X86-NEXT: retl
;
; X64-LABEL: is_zero_f80:
; X64: # %bb.0: # %entry
; X64-NEXT: movzwl {{[0-9]+}}(%rsp), %eax
; X64-NEXT: andl $32767, %eax # imm = 0x7FFF
; X64-NEXT: orq {{[0-9]+}}(%rsp), %rax
; X64-NEXT: sete %al
; X64-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) nounwind strictfp {
; X86-LABEL: is_zero_f80_strict:
; X86: # %bb.0: # %entry
; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
; X86-NEXT: andl $32767, %eax # imm = 0x7FFF
; X86-NEXT: orl {{[0-9]+}}(%esp), %eax
; X86-NEXT: orl {{[0-9]+}}(%esp), %eax
; X86-NEXT: sete %al
; X86-NEXT: retl
;
; X64-LABEL: is_zero_f80_strict:
; X64: # %bb.0: # %entry
; X64-NEXT: movzwl {{[0-9]+}}(%rsp), %eax
; X64-NEXT: andl $32767, %eax # imm = 0x7FFF
; X64-NEXT: orq {{[0-9]+}}(%rsp), %rax
; X64-NEXT: sete %al
; X64-NEXT: retq
entry:
%0 = tail call i1 @llvm.is.fpclass.f80(x86_fp80 %x, i32 96) strictfp ; 0x60 = "zero"
ret i1 %0
}
define i1 @is_poszero_f80(x86_fp80 %x) nounwind {
; X86-LABEL: is_poszero_f80:
; X86: # %bb.0: # %entry
; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
; X86-NEXT: orl {{[0-9]+}}(%esp), %eax
; X86-NEXT: orl {{[0-9]+}}(%esp), %eax
; X86-NEXT: sete %al
; X86-NEXT: retl
;
; X64-LABEL: is_poszero_f80:
; X64: # %bb.0: # %entry
; X64-NEXT: movzwl {{[0-9]+}}(%rsp), %eax
; X64-NEXT: orq {{[0-9]+}}(%rsp), %rax
; X64-NEXT: sete %al
; X64-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) nounwind {
; X86-LABEL: is_negzero_f80:
; X86: # %bb.0: # %entry
; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
; X86-NEXT: xorl $32768, %eax # imm = 0x8000
; X86-NEXT: orl {{[0-9]+}}(%esp), %eax
; X86-NEXT: orl {{[0-9]+}}(%esp), %eax
; X86-NEXT: sete %al
; X86-NEXT: retl
;
; X64-LABEL: is_negzero_f80:
; X64: # %bb.0: # %entry
; X64-NEXT: movzwl {{[0-9]+}}(%rsp), %eax
; X64-NEXT: xorq $32768, %rax # imm = 0x8000
; X64-NEXT: orq {{[0-9]+}}(%rsp), %rax
; X64-NEXT: sete %al
; X64-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) nounwind {
; X86-LABEL: is_inf_f80:
; X86: # %bb.0: # %entry
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: notl %eax
; X86-NEXT: movl $-2147483648, %ecx # imm = 0x80000000
; X86-NEXT: xorl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: andl $32767, %eax # imm = 0x7FFF
; X86-NEXT: orl {{[0-9]+}}(%esp), %eax
; X86-NEXT: orl %ecx, %eax
; X86-NEXT: sete %al
; X86-NEXT: retl
;
; X64-LABEL: is_inf_f80:
; X64: # %bb.0: # %entry
; X64-NEXT: movl {{[0-9]+}}(%rsp), %eax
; X64-NEXT: notl %eax
; X64-NEXT: movabsq $-9223372036854775808, %rcx # imm = 0x8000000000000000
; X64-NEXT: xorq {{[0-9]+}}(%rsp), %rcx
; X64-NEXT: andl $32767, %eax # imm = 0x7FFF
; X64-NEXT: orq %rcx, %rax
; X64-NEXT: sete %al
; X64-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) nounwind {
; X86-LABEL: is_posinf_f80:
; X86: # %bb.0: # %entry
; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
; X86-NEXT: movl $-2147483648, %ecx # imm = 0x80000000
; X86-NEXT: xorl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: xorl $32767, %eax # imm = 0x7FFF
; X86-NEXT: orl {{[0-9]+}}(%esp), %eax
; X86-NEXT: orl %ecx, %eax
; X86-NEXT: sete %al
; X86-NEXT: retl
;
; X64-LABEL: is_posinf_f80:
; X64: # %bb.0: # %entry
; X64-NEXT: movzwl {{[0-9]+}}(%rsp), %eax
; X64-NEXT: movabsq $-9223372036854775808, %rcx # imm = 0x8000000000000000
; X64-NEXT: xorq {{[0-9]+}}(%rsp), %rcx
; X64-NEXT: xorq $32767, %rax # imm = 0x7FFF
; X64-NEXT: orq %rcx, %rax
; X64-NEXT: sete %al
; X64-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) nounwind {
; X86-LABEL: is_neginf_f80:
; X86: # %bb.0: # %entry
; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
; X86-NEXT: xorl $65535, %eax # imm = 0xFFFF
; X86-NEXT: movl $-2147483648, %ecx # imm = 0x80000000
; X86-NEXT: xorl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: orl {{[0-9]+}}(%esp), %eax
; X86-NEXT: orl %ecx, %eax
; X86-NEXT: sete %al
; X86-NEXT: retl
;
; X64-LABEL: is_neginf_f80:
; X64: # %bb.0: # %entry
; X64-NEXT: movzwl {{[0-9]+}}(%rsp), %eax
; X64-NEXT: xorq $65535, %rax # imm = 0xFFFF
; X64-NEXT: movabsq $-9223372036854775808, %rcx # imm = 0x8000000000000000
; X64-NEXT: xorq {{[0-9]+}}(%rsp), %rcx
; X64-NEXT: orq %rax, %rcx
; X64-NEXT: sete %al
; X64-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) nounwind {
; X86-LABEL: is_normal_f80:
; X86: # %bb.0: # %entry
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: movzwl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: andl $32767, %ecx # imm = 0x7FFF
; X86-NEXT: decl %ecx
; X86-NEXT: movzwl %cx, %ecx
; X86-NEXT: xorl %edx, %edx
; X86-NEXT: cmpl $32766, %ecx # imm = 0x7FFE
; X86-NEXT: sbbl %edx, %edx
; X86-NEXT: setb %cl
; X86-NEXT: shrl $31, %eax
; X86-NEXT: andb %cl, %al
; X86-NEXT: # kill: def $al killed $al killed $eax
; X86-NEXT: retl
;
; X64-LABEL: is_normal_f80:
; X64: # %bb.0: # %entry
; X64-NEXT: movzwl {{[0-9]+}}(%rsp), %eax
; X64-NEXT: movq {{[0-9]+}}(%rsp), %rcx
; X64-NEXT: shrq $63, %rcx
; X64-NEXT: andl $32767, %eax # imm = 0x7FFF
; X64-NEXT: decl %eax
; X64-NEXT: movzwl %ax, %eax
; X64-NEXT: cmpl $32766, %eax # imm = 0x7FFE
; X64-NEXT: setb %al
; X64-NEXT: andb %cl, %al
; X64-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) nounwind {
; X86-LABEL: is_posnormal_f80:
; X86: # %bb.0: # %entry
; X86-NEXT: pushl %esi
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: movzwl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: movl %ecx, %edx
; X86-NEXT: andl $32767, %edx # imm = 0x7FFF
; X86-NEXT: decl %edx
; X86-NEXT: movzwl %dx, %edx
; X86-NEXT: xorl %esi, %esi
; X86-NEXT: cmpl $32766, %edx # imm = 0x7FFE
; X86-NEXT: sbbl %esi, %esi
; X86-NEXT: setb %dl
; X86-NEXT: testl $32768, %ecx # imm = 0x8000
; X86-NEXT: sete %cl
; X86-NEXT: shrl $31, %eax
; X86-NEXT: andb %cl, %al
; X86-NEXT: andb %dl, %al
; X86-NEXT: # kill: def $al killed $al killed $eax
; X86-NEXT: popl %esi
; X86-NEXT: retl
;
; X64-LABEL: is_posnormal_f80:
; X64: # %bb.0: # %entry
; X64-NEXT: movq {{[0-9]+}}(%rsp), %rax
; X64-NEXT: movswq {{[0-9]+}}(%rsp), %rcx
; X64-NEXT: testq %rcx, %rcx
; X64-NEXT: setns %dl
; X64-NEXT: andl $32767, %ecx # imm = 0x7FFF
; X64-NEXT: decl %ecx
; X64-NEXT: movzwl %cx, %ecx
; X64-NEXT: cmpl $32766, %ecx # imm = 0x7FFE
; X64-NEXT: setb %cl
; X64-NEXT: shrq $63, %rax
; X64-NEXT: andb %dl, %al
; X64-NEXT: andb %cl, %al
; X64-NEXT: # kill: def $al killed $al killed $rax
; X64-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) nounwind {
; X86-LABEL: is_negnormal_f80:
; X86: # %bb.0: # %entry
; X86-NEXT: pushl %esi
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: movzwl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: movl %ecx, %edx
; X86-NEXT: andl $32767, %edx # imm = 0x7FFF
; X86-NEXT: decl %edx
; X86-NEXT: movzwl %dx, %edx
; X86-NEXT: xorl %esi, %esi
; X86-NEXT: cmpl $32766, %edx # imm = 0x7FFE
; X86-NEXT: sbbl %esi, %esi
; X86-NEXT: setb %dl
; X86-NEXT: testl $32768, %ecx # imm = 0x8000
; X86-NEXT: setne %cl
; X86-NEXT: shrl $31, %eax
; X86-NEXT: andb %cl, %al
; X86-NEXT: andb %dl, %al
; X86-NEXT: # kill: def $al killed $al killed $eax
; X86-NEXT: popl %esi
; X86-NEXT: retl
;
; X64-LABEL: is_negnormal_f80:
; X64: # %bb.0: # %entry
; X64-NEXT: movq {{[0-9]+}}(%rsp), %rax
; X64-NEXT: movswq {{[0-9]+}}(%rsp), %rcx
; X64-NEXT: testq %rcx, %rcx
; X64-NEXT: sets %dl
; X64-NEXT: andl $32767, %ecx # imm = 0x7FFF
; X64-NEXT: decl %ecx
; X64-NEXT: movzwl %cx, %ecx
; X64-NEXT: cmpl $32766, %ecx # imm = 0x7FFE
; X64-NEXT: setb %cl
; X64-NEXT: shrq $63, %rax
; X64-NEXT: andb %dl, %al
; X64-NEXT: andb %cl, %al
; X64-NEXT: # kill: def $al killed $al killed $rax
; X64-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) nounwind {
; X86-LABEL: is_subnormal_f80:
; X86: # %bb.0: # %entry
; X86-NEXT: pushl %esi
; X86-NEXT: movl {{[0-9]+}}(%esp), %esi
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
; X86-NEXT: andl $32767, %eax # imm = 0x7FFF
; X86-NEXT: xorl %edx, %edx
; X86-NEXT: addl $-1, %esi
; X86-NEXT: adcl $-1, %ecx
; X86-NEXT: adcl $-1, %eax
; X86-NEXT: adcl $-1, %edx
; X86-NEXT: cmpl $-1, %esi
; X86-NEXT: sbbl $2147483647, %ecx # imm = 0x7FFFFFFF
; X86-NEXT: sbbl $0, %eax
; X86-NEXT: sbbl $0, %edx
; X86-NEXT: setb %al
; X86-NEXT: popl %esi
; X86-NEXT: retl
;
; X64-LABEL: is_subnormal_f80:
; X64: # %bb.0: # %entry
; X64-NEXT: movzwl {{[0-9]+}}(%rsp), %eax
; X64-NEXT: movq {{[0-9]+}}(%rsp), %rcx
; X64-NEXT: andl $32767, %eax # imm = 0x7FFF
; X64-NEXT: addq $-1, %rcx
; X64-NEXT: adcq $-1, %rax
; X64-NEXT: movabsq $9223372036854775807, %rdx # imm = 0x7FFFFFFFFFFFFFFF
; X64-NEXT: cmpq %rdx, %rcx
; X64-NEXT: sbbq $0, %rax
; X64-NEXT: setb %al
; X64-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) nounwind {
; X86-LABEL: is_possubnormal_f80:
; X86: # %bb.0: # %entry
; X86-NEXT: pushl %esi
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X86-NEXT: movl {{[0-9]+}}(%esp), %edx
; X86-NEXT: addl $-1, %ecx
; X86-NEXT: adcl $-1, %edx
; X86-NEXT: adcl $-1, %eax
; X86-NEXT: movzwl %ax, %eax
; X86-NEXT: xorl %esi, %esi
; X86-NEXT: cmpl $-1, %ecx
; X86-NEXT: sbbl $2147483647, %edx # imm = 0x7FFFFFFF
; X86-NEXT: sbbl $0, %eax
; X86-NEXT: sbbl %esi, %esi
; X86-NEXT: setb %al
; X86-NEXT: popl %esi
; X86-NEXT: retl
;
; X64-LABEL: is_possubnormal_f80:
; X64: # %bb.0: # %entry
; X64-NEXT: movl {{[0-9]+}}(%rsp), %eax
; X64-NEXT: movq {{[0-9]+}}(%rsp), %rcx
; X64-NEXT: addq $-1, %rcx
; X64-NEXT: adcq $-1, %rax
; X64-NEXT: movzwl %ax, %eax
; X64-NEXT: movabsq $9223372036854775807, %rdx # imm = 0x7FFFFFFFFFFFFFFF
; X64-NEXT: cmpq %rdx, %rcx
; X64-NEXT: sbbq $0, %rax
; X64-NEXT: setb %al
; X64-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) nounwind {
; X86-LABEL: is_negsubnormal_f80:
; X86: # %bb.0: # %entry
; X86-NEXT: pushl %edi
; X86-NEXT: pushl %esi
; X86-NEXT: movl {{[0-9]+}}(%esp), %edi
; X86-NEXT: movl {{[0-9]+}}(%esp), %edx
; X86-NEXT: movzwl {{[0-9]+}}(%esp), %eax
; X86-NEXT: movl %eax, %ecx
; X86-NEXT: andl $32767, %ecx # imm = 0x7FFF
; X86-NEXT: xorl %esi, %esi
; X86-NEXT: addl $-1, %edi
; X86-NEXT: adcl $-1, %edx
; X86-NEXT: adcl $-1, %ecx
; X86-NEXT: adcl $-1, %esi
; X86-NEXT: cmpl $-1, %edi
; X86-NEXT: sbbl $2147483647, %edx # imm = 0x7FFFFFFF
; X86-NEXT: sbbl $0, %ecx
; X86-NEXT: sbbl $0, %esi
; X86-NEXT: setb %cl
; X86-NEXT: testl $32768, %eax # imm = 0x8000
; X86-NEXT: setne %al
; X86-NEXT: andb %cl, %al
; X86-NEXT: popl %esi
; X86-NEXT: popl %edi
; X86-NEXT: retl
;
; X64-LABEL: is_negsubnormal_f80:
; X64: # %bb.0: # %entry
; X64-NEXT: movzwl {{[0-9]+}}(%rsp), %eax
; X64-NEXT: movswq %ax, %rcx
; X64-NEXT: movq {{[0-9]+}}(%rsp), %rdx
; X64-NEXT: andl $32767, %eax # imm = 0x7FFF
; X64-NEXT: addq $-1, %rdx
; X64-NEXT: adcq $-1, %rax
; X64-NEXT: movabsq $9223372036854775807, %rsi # imm = 0x7FFFFFFFFFFFFFFF
; X64-NEXT: cmpq %rsi, %rdx
; X64-NEXT: sbbq $0, %rax
; X64-NEXT: setb %dl
; X64-NEXT: testq %rcx, %rcx
; X64-NEXT: sets %al
; X64-NEXT: andb %dl, %al
; X64-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)
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