mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-09-06 09:54:49 +00:00
f30e1cf9b7
an RFP register class. Teach ScheduleDAG how to handle CopyToReg with different src/dst reg classes. This allows us to compile trivial inline asms that expect stuff on the top of x87-fp stack. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48107 91177308-0d34-0410-b5e6-96231b3b80d8
30 lines
753 B
LLVM
30 lines
753 B
LLVM
; RUN: llvm-as < %s | llc -march=x86
|
|
|
|
define x86_fp80 @test1() {
|
|
%tmp85 = call x86_fp80 asm sideeffect "fld0", "={st(0)}"()
|
|
ret x86_fp80 %tmp85
|
|
}
|
|
|
|
define double @test2() {
|
|
%tmp85 = call double asm sideeffect "fld0", "={st(0)}"()
|
|
ret double %tmp85
|
|
}
|
|
|
|
define void @test3(x86_fp80 %X) {
|
|
call void asm sideeffect "frob ", "{st(0)},~{dirflag},~{fpsr},~{flags}"( x86_fp80 %X)
|
|
ret void
|
|
}
|
|
|
|
define void @test4(double %X) {
|
|
call void asm sideeffect "frob ", "{st(0)},~{dirflag},~{fpsr},~{flags}"( double %X)
|
|
ret void
|
|
}
|
|
|
|
define void @test5(double %X) {
|
|
%Y = add double %X, 123.0
|
|
call void asm sideeffect "frob ", "{st(0)},~{dirflag},~{fpsr},~{flags}"( double %Y)
|
|
ret void
|
|
}
|
|
|
|
|