mirror of
https://github.com/RPCSX/llvm.git
synced 2024-12-15 16:09:02 +00:00
632e6aa28c
This patch fixes passing long double type arguments to function in soft float mode. If there is less than 4 argument registers free (long double type is mapped in 4 gpr registers in soft float mode) long double type argument must be passed through stack. Differential Revision: https://reviews.llvm.org/D20114. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@277804 91177308-0d34-0410-b5e6-96231b3b80d8
27 lines
951 B
LLVM
27 lines
951 B
LLVM
; RUN: llc -O2 -mtriple=powerpc-unknown-linux-gnu < %s | FileCheck %s
|
|
|
|
target datalayout = "E-m:e-p:32:32-i64:64-n32"
|
|
target triple = "powerpc-buildroot-linux-gnu"
|
|
|
|
@x = global ppc_fp128 0xM3FF00000000000000000000000000000, align 16
|
|
@.str = private unnamed_addr constant [9 x i8] c"%Lf %Lf\0A\00", align 1
|
|
|
|
define void @foo() #0 {
|
|
entry:
|
|
%0 = load ppc_fp128, ppc_fp128* @x, align 16
|
|
%call = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str, i32 0, i32 0), ppc_fp128 %0, ppc_fp128 %0)
|
|
ret void
|
|
}
|
|
; Do not put second argument of function in r8 register, because there is no enough registers
|
|
; left for long double type (4 registers in soft float mode). Instead in r8 register this
|
|
; argument put on stack.
|
|
; CHECK-NOT: mr 8, 4
|
|
; CHECK: stw 7, 20(1)
|
|
; CHECK: stw 6, 16(1)
|
|
; CHECK: stw 5, 12(1)
|
|
; CHECK: stw 4, 8(1)
|
|
|
|
declare i32 @printf(i8* nocapture readonly, ...)
|
|
|
|
attributes #0 = { "use-soft-float"="true" }
|