mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 20:29:48 +00:00
1329cb8d89
from the stack. This allows us to compile stack-align.ll to: _test: movsd LCPI1_0, %xmm0 movapd %xmm0, %xmm1 *** andpd 4(%esp), %xmm1 andpd _G, %xmm0 addsd %xmm1, %xmm0 movl 20(%esp), %eax movsd %xmm0, (%eax) ret instead of: _test: movsd LCPI1_0, %xmm0 ** movsd 4(%esp), %xmm1 ** andpd %xmm0, %xmm1 andpd _G, %xmm0 addsd %xmm1, %xmm0 movl 20(%esp), %eax movsd %xmm0, (%eax) ret git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46401 91177308-0d34-0410-b5e6-96231b3b80d8
23 lines
956 B
LLVM
23 lines
956 B
LLVM
; RUN: llvm-as < %s | llc -relocation-model=static -mcpu=yonah | grep {andpd.*4(%esp), %xmm}
|
|
|
|
; The double argument is at 4(esp) which is 16-byte aligned, allowing us to
|
|
; fold the load into the andpd.
|
|
|
|
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
|
|
target triple = "i686-apple-darwin8"
|
|
@G = external global double
|
|
|
|
define void @test({ double, double }* byval %z, double* %P) {
|
|
entry:
|
|
%tmp = getelementptr { double, double }* %z, i32 0, i32 0 ; <double*> [#uses=1]
|
|
%tmp1 = load double* %tmp, align 8 ; <double> [#uses=1]
|
|
%tmp2 = tail call double @fabs( double %tmp1 ) ; <double> [#uses=1]
|
|
%tmp3 = load double* @G, align 16 ; <double> [#uses=1]
|
|
%tmp4 = tail call double @fabs( double %tmp3 ) ; <double> [#uses=1]
|
|
%tmp6 = add double %tmp4, %tmp2 ; <double> [#uses=1]
|
|
store double %tmp6, double* %P, align 8
|
|
ret void
|
|
}
|
|
|
|
declare double @fabs(double)
|