33 lines · plain
1; Note the formula for negative number alignment calculation should be y = x & ~(n-1) rather than y = (x + (n-1)) & ~(n-1).2; after patch https://reviews.llvm.org/D34337, we could save 16 bytes in the best case.3; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s -check-prefix=CHECK-BE4; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s -check-prefix=CHECK-LE5 6define signext i32 @bar(i32 signext %ii) {7entry:8 %0 = tail call i32 asm sideeffect "add $0, $1, $2\0A", "=r,r,r,~{f14},~{r15},~{v20}"(i32 %ii, i32 10)9 ret i32 %010; Before the fix by patch D34337:11; stdu 1, -544(1)12; std 15, 264(1)13; stfd 14, 400(1)14; stdu 1, -560(1)15; std 15, 280(1)16; stfd 14, 416(1)17 18; After the fix by patch D34337:19; CHECK-LE: stdu 1, -528(1)20; CHECK-LE:std 15, 248(1)21; CHECK-LE:stfd 14, 384(1)22; CHECK-BE: stdu 1, -544(1)23; CHECK-BE:std 15, 264(1)24; CHECK-BE:stfd 14, 400(1)25}26 27define signext i32 @foo() {28entry:29 %call = tail call signext i32 @bar(i32 signext 5)30 ret i32 %call31}32 33