1d5acad05STony Jiang; Note the formula for negative number alignment calculation should be y = x & ~(n-1) rather than y = (x + (n-1)) & ~(n-1). 2d5acad05STony Jiang; after patch https://reviews.llvm.org/D34337, we could save 16 bytes in the best case. 3d5acad05STony Jiang; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s -check-prefix=CHECK-BE 4d5acad05STony Jiang; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s -check-prefix=CHECK-LE 5d5acad05STony Jiang 6d5acad05STony Jiangdefine signext i32 @bar(i32 signext %ii) { 7d5acad05STony Jiangentry: 8d5acad05STony Jiang %0 = tail call i32 asm sideeffect "add $0, $1, $2\0A", "=r,r,r,~{f14},~{r15},~{v20}"(i32 %ii, i32 10) 9d5acad05STony Jiang ret i32 %0 10d5acad05STony Jiang; Before the fix by patch D34337: 11d5acad05STony Jiang; stdu 1, -544(1) 12d5acad05STony Jiang; std 15, 264(1) 13d5acad05STony Jiang; stfd 14, 400(1) 14d5acad05STony Jiang; stdu 1, -560(1) 15d5acad05STony Jiang; std 15, 280(1) 16d5acad05STony Jiang; stfd 14, 416(1) 17d5acad05STony Jiang 18d5acad05STony Jiang; After the fix by patch D34337: 19d5acad05STony Jiang; CHECK-LE: stdu 1, -528(1) 20*70bfe661SStefan Pintilie; CHECK-LE:std 15, 248(1) 21*70bfe661SStefan Pintilie; CHECK-LE:stfd 14, 384(1) 22d5acad05STony Jiang; CHECK-BE: stdu 1, -544(1) 23*70bfe661SStefan Pintilie; CHECK-BE:std 15, 264(1) 24*70bfe661SStefan Pintilie; CHECK-BE:stfd 14, 400(1) 25d5acad05STony Jiang} 26d5acad05STony Jiang 27d5acad05STony Jiangdefine signext i32 @foo() { 28d5acad05STony Jiangentry: 29d5acad05STony Jiang %call = tail call signext i32 @bar(i32 signext 5) 30d5acad05STony Jiang ret i32 %call 31d5acad05STony Jiang} 32d5acad05STony Jiang 33