; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=-sse -verify-machineinstrs < %s | FileCheck %s -check-prefix=X86-NOSSE
; RUN: llc -mtriple=i686-unknown-linux-gnu -mattr=+sse -verify-machineinstrs < %s | FileCheck %s -check-prefix=X86-SSE
; RUN: llc -mtriple=x86_64-unknown-linux-gnu -verify-machineinstrs < %s | FileCheck %s -check-prefix=X64
declare void @llvm.set.rounding(i32 %x)
define void @func_01() nounwind {
; X86-NOSSE-LABEL: func_01:
; X86-NOSSE: # %bb.0:
; X86-NOSSE-NEXT: pushl %eax
; X86-NOSSE-NEXT: fnstcw (%esp)
; X86-NOSSE-NEXT: orb $12, {{[0-9]+}}(%esp)
; X86-NOSSE-NEXT: fldcw (%esp)
; X86-NOSSE-NEXT: popl %eax
; X86-NOSSE-NEXT: retl
;
; X86-SSE-LABEL: func_01:
; X86-SSE: # %bb.0:
; X86-SSE-NEXT: pushl %eax
; X86-SSE-NEXT: fnstcw (%esp)
; X86-SSE-NEXT: orb $12, {{[0-9]+}}(%esp)
; X86-SSE-NEXT: fldcw (%esp)
; X86-SSE-NEXT: stmxcsr (%esp)
; X86-SSE-NEXT: orb $96, {{[0-9]+}}(%esp)
; X86-SSE-NEXT: ldmxcsr (%esp)
; X86-SSE-NEXT: popl %eax
; X86-SSE-NEXT: retl
;
; X64-LABEL: func_01:
; X64: # %bb.0:
; X64-NEXT: fnstcw -{{[0-9]+}}(%rsp)
; X64-NEXT: orb $12, -{{[0-9]+}}(%rsp)
; X64-NEXT: fldcw -{{[0-9]+}}(%rsp)
; X64-NEXT: stmxcsr -{{[0-9]+}}(%rsp)
; X64-NEXT: orb $96, -{{[0-9]+}}(%rsp)
; X64-NEXT: ldmxcsr -{{[0-9]+}}(%rsp)
; X64-NEXT: retq
call void @llvm.set.rounding(i32 0) ; TowardZero (CW[11-10] = 11)
ret void
}
define void @func_02() nounwind {
; X86-NOSSE-LABEL: func_02:
; X86-NOSSE: # %bb.0:
; X86-NOSSE-NEXT: pushl %eax
; X86-NOSSE-NEXT: fnstcw (%esp)
; X86-NOSSE-NEXT: andb $-13, {{[0-9]+}}(%esp)
; X86-NOSSE-NEXT: fldcw (%esp)
; X86-NOSSE-NEXT: popl %eax
; X86-NOSSE-NEXT: retl
;
; X86-SSE-LABEL: func_02:
; X86-SSE: # %bb.0:
; X86-SSE-NEXT: pushl %eax
; X86-SSE-NEXT: fnstcw (%esp)
; X86-SSE-NEXT: andb $-13, {{[0-9]+}}(%esp)
; X86-SSE-NEXT: fldcw (%esp)
; X86-SSE-NEXT: stmxcsr (%esp)
; X86-SSE-NEXT: andb $-97, {{[0-9]+}}(%esp)
; X86-SSE-NEXT: ldmxcsr (%esp)
; X86-SSE-NEXT: popl %eax
; X86-SSE-NEXT: retl
;
; X64-LABEL: func_02:
; X64: # %bb.0:
; X64-NEXT: fnstcw -{{[0-9]+}}(%rsp)
; X64-NEXT: andb $-13, -{{[0-9]+}}(%rsp)
; X64-NEXT: fldcw -{{[0-9]+}}(%rsp)
; X64-NEXT: stmxcsr -{{[0-9]+}}(%rsp)
; X64-NEXT: andb $-97, -{{[0-9]+}}(%rsp)
; X64-NEXT: ldmxcsr -{{[0-9]+}}(%rsp)
; X64-NEXT: retq
call void @llvm.set.rounding(i32 1) ; ToNearestTiesToEven (CW[11-10] = 00)
ret void
}
define void @func_03() nounwind {
; X86-NOSSE-LABEL: func_03:
; X86-NOSSE: # %bb.0:
; X86-NOSSE-NEXT: pushl %eax
; X86-NOSSE-NEXT: fnstcw (%esp)
; X86-NOSSE-NEXT: movl $-3073, %eax # imm = 0xF3FF
; X86-NOSSE-NEXT: andl (%esp), %eax
; X86-NOSSE-NEXT: orl $2048, %eax # imm = 0x800
; X86-NOSSE-NEXT: movw %ax, (%esp)
; X86-NOSSE-NEXT: fldcw (%esp)
; X86-NOSSE-NEXT: popl %eax
; X86-NOSSE-NEXT: retl
;
; X86-SSE-LABEL: func_03:
; X86-SSE: # %bb.0:
; X86-SSE-NEXT: pushl %eax
; X86-SSE-NEXT: fnstcw (%esp)
; X86-SSE-NEXT: movl $-3073, %eax # imm = 0xF3FF
; X86-SSE-NEXT: andl (%esp), %eax
; X86-SSE-NEXT: orl $2048, %eax # imm = 0x800
; X86-SSE-NEXT: movw %ax, (%esp)
; X86-SSE-NEXT: fldcw (%esp)
; X86-SSE-NEXT: stmxcsr (%esp)
; X86-SSE-NEXT: movl $-24577, %eax # imm = 0x9FFF
; X86-SSE-NEXT: andl (%esp), %eax
; X86-SSE-NEXT: orl $16384, %eax # imm = 0x4000
; X86-SSE-NEXT: movl %eax, (%esp)
; X86-SSE-NEXT: ldmxcsr (%esp)
; X86-SSE-NEXT: popl %eax
; X86-SSE-NEXT: retl
;
; X64-LABEL: func_03:
; X64: # %bb.0:
; X64-NEXT: fnstcw -{{[0-9]+}}(%rsp)
; X64-NEXT: movl $-3073, %eax # imm = 0xF3FF
; X64-NEXT: andl -{{[0-9]+}}(%rsp), %eax
; X64-NEXT: orl $2048, %eax # imm = 0x800
; X64-NEXT: movw %ax, -{{[0-9]+}}(%rsp)
; X64-NEXT: fldcw -{{[0-9]+}}(%rsp)
; X64-NEXT: stmxcsr -{{[0-9]+}}(%rsp)
; X64-NEXT: movl $-24577, %eax # imm = 0x9FFF
; X64-NEXT: andl -{{[0-9]+}}(%rsp), %eax
; X64-NEXT: orl $16384, %eax # imm = 0x4000
; X64-NEXT: movl %eax, -{{[0-9]+}}(%rsp)
; X64-NEXT: ldmxcsr -{{[0-9]+}}(%rsp)
; X64-NEXT: retq
call void @llvm.set.rounding(i32 2) ; Upward (CW[11-10] = 10)
ret void
}
define void @func_04() nounwind {
; X86-NOSSE-LABEL: func_04:
; X86-NOSSE: # %bb.0:
; X86-NOSSE-NEXT: pushl %eax
; X86-NOSSE-NEXT: fnstcw (%esp)
; X86-NOSSE-NEXT: movl $-3073, %eax # imm = 0xF3FF
; X86-NOSSE-NEXT: andl (%esp), %eax
; X86-NOSSE-NEXT: orl $1024, %eax # imm = 0x400
; X86-NOSSE-NEXT: movw %ax, (%esp)
; X86-NOSSE-NEXT: fldcw (%esp)
; X86-NOSSE-NEXT: popl %eax
; X86-NOSSE-NEXT: retl
;
; X86-SSE-LABEL: func_04:
; X86-SSE: # %bb.0:
; X86-SSE-NEXT: pushl %eax
; X86-SSE-NEXT: fnstcw (%esp)
; X86-SSE-NEXT: movl $-3073, %eax # imm = 0xF3FF
; X86-SSE-NEXT: andl (%esp), %eax
; X86-SSE-NEXT: orl $1024, %eax # imm = 0x400
; X86-SSE-NEXT: movw %ax, (%esp)
; X86-SSE-NEXT: fldcw (%esp)
; X86-SSE-NEXT: stmxcsr (%esp)
; X86-SSE-NEXT: movl $-24577, %eax # imm = 0x9FFF
; X86-SSE-NEXT: andl (%esp), %eax
; X86-SSE-NEXT: orl $8192, %eax # imm = 0x2000
; X86-SSE-NEXT: movl %eax, (%esp)
; X86-SSE-NEXT: ldmxcsr (%esp)
; X86-SSE-NEXT: popl %eax
; X86-SSE-NEXT: retl
;
; X64-LABEL: func_04:
; X64: # %bb.0:
; X64-NEXT: fnstcw -{{[0-9]+}}(%rsp)
; X64-NEXT: movl $-3073, %eax # imm = 0xF3FF
; X64-NEXT: andl -{{[0-9]+}}(%rsp), %eax
; X64-NEXT: orl $1024, %eax # imm = 0x400
; X64-NEXT: movw %ax, -{{[0-9]+}}(%rsp)
; X64-NEXT: fldcw -{{[0-9]+}}(%rsp)
; X64-NEXT: stmxcsr -{{[0-9]+}}(%rsp)
; X64-NEXT: movl $-24577, %eax # imm = 0x9FFF
; X64-NEXT: andl -{{[0-9]+}}(%rsp), %eax
; X64-NEXT: orl $8192, %eax # imm = 0x2000
; X64-NEXT: movl %eax, -{{[0-9]+}}(%rsp)
; X64-NEXT: ldmxcsr -{{[0-9]+}}(%rsp)
; X64-NEXT: retq
call void @llvm.set.rounding(i32 3) ; Downward (CW[11-10] = 01)
ret void
}
define void @func_05(i32 %x) nounwind {
; X86-NOSSE-LABEL: func_05:
; X86-NOSSE: # %bb.0:
; X86-NOSSE-NEXT: pushl %eax
; X86-NOSSE-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NOSSE-NEXT: leal 4(%eax,%eax), %ecx
; X86-NOSSE-NEXT: movl $201, %eax
; X86-NOSSE-NEXT: # kill: def $cl killed $cl killed $ecx
; X86-NOSSE-NEXT: shll %cl, %eax
; X86-NOSSE-NEXT: andl $3072, %eax # imm = 0xC00
; X86-NOSSE-NEXT: fnstcw (%esp)
; X86-NOSSE-NEXT: movl $-3073, %ecx # imm = 0xF3FF
; X86-NOSSE-NEXT: andl (%esp), %ecx
; X86-NOSSE-NEXT: orl %eax, %ecx
; X86-NOSSE-NEXT: movw %cx, (%esp)
; X86-NOSSE-NEXT: fldcw (%esp)
; X86-NOSSE-NEXT: popl %eax
; X86-NOSSE-NEXT: retl
;
; X86-SSE-LABEL: func_05:
; X86-SSE: # %bb.0:
; X86-SSE-NEXT: pushl %eax
; X86-SSE-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-SSE-NEXT: leal 4(%eax,%eax), %ecx
; X86-SSE-NEXT: movl $201, %eax
; X86-SSE-NEXT: # kill: def $cl killed $cl killed $ecx
; X86-SSE-NEXT: shll %cl, %eax
; X86-SSE-NEXT: andl $3072, %eax # imm = 0xC00
; X86-SSE-NEXT: fnstcw (%esp)
; X86-SSE-NEXT: movl $-3073, %ecx # imm = 0xF3FF
; X86-SSE-NEXT: andl (%esp), %ecx
; X86-SSE-NEXT: orl %eax, %ecx
; X86-SSE-NEXT: movw %cx, (%esp)
; X86-SSE-NEXT: fldcw (%esp)
; X86-SSE-NEXT: stmxcsr (%esp)
; X86-SSE-NEXT: movl $-24577, %ecx # imm = 0x9FFF
; X86-SSE-NEXT: andl (%esp), %ecx
; X86-SSE-NEXT: leal (%ecx,%eax,8), %eax
; X86-SSE-NEXT: movl %eax, (%esp)
; X86-SSE-NEXT: ldmxcsr (%esp)
; X86-SSE-NEXT: popl %eax
; X86-SSE-NEXT: retl
;
; X64-LABEL: func_05:
; X64: # %bb.0:
; X64-NEXT: # kill: def $edi killed $edi def $rdi
; X64-NEXT: leal 4(%rdi,%rdi), %ecx
; X64-NEXT: movl $201, %eax
; X64-NEXT: # kill: def $cl killed $cl killed $ecx
; X64-NEXT: shll %cl, %eax
; X64-NEXT: andl $3072, %eax # imm = 0xC00
; X64-NEXT: fnstcw -{{[0-9]+}}(%rsp)
; X64-NEXT: movl $-3073, %ecx # imm = 0xF3FF
; X64-NEXT: andl -{{[0-9]+}}(%rsp), %ecx
; X64-NEXT: orl %eax, %ecx
; X64-NEXT: movw %cx, -{{[0-9]+}}(%rsp)
; X64-NEXT: fldcw -{{[0-9]+}}(%rsp)
; X64-NEXT: stmxcsr -{{[0-9]+}}(%rsp)
; X64-NEXT: movl $-24577, %ecx # imm = 0x9FFF
; X64-NEXT: andl -{{[0-9]+}}(%rsp), %ecx
; X64-NEXT: leal (%rcx,%rax,8), %eax
; X64-NEXT: movl %eax, -{{[0-9]+}}(%rsp)
; X64-NEXT: ldmxcsr -{{[0-9]+}}(%rsp)
; X64-NEXT: retq
call void @llvm.set.rounding(i32 %x) ; Downward
ret void
}