File: addsubcarry.ll

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (25 lines) | stat: -rw-r--r-- 644 bytes parent folder | download | duplicates (13)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
; RUN: llc -march=hexagon < %s | FileCheck %s

@g = global i128 zeroinitializer, align 8

; CHECK-LABEL: addc:
; CHECK: p[[P0:[0-3]]] = and(p[[P1:[0-9]]],!p[[P1]])
; CHECK: add({{.*}},{{.*}},p[[P0]]):carry
; CHECK: add({{.*}},{{.*}},p[[P0]]):carry
define void @addc(i128 %a0, i128 %a1) #0 {
  %v0 = add i128 %a0, %a1
  store i128 %v0, i128* @g, align 8
  ret void
}

; CHECK-LABEL: subc:
; CHECK: p[[P0:[0-3]]] = or(p[[P1:[0-9]]],!p[[P1]])
; CHECK: sub({{.*}},{{.*}},p[[P0]]):carry
; CHECK: sub({{.*}},{{.*}},p[[P0]]):carry
define void @subc(i128 %a0, i128 %a1) #0 {
  %v0 = sub i128 %a0, %a1
  store i128 %v0, i128* @g, align 8
  ret void
}