File: mul64.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (19 lines) | stat: -rw-r--r-- 670 bytes parent folder | download | duplicates (9) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=m68k-linux -verify-machineinstrs | FileCheck %s

; Currenlty making the libcall is ok, x20 supports i32 mul/div which
; yields saner expansion for i64 mul
define i64 @foo(i64 %t, i64 %u) nounwind {
; CHECK-LABEL: foo:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    suba.l #20, %sp
; CHECK-NEXT:    move.l (36,%sp), (12,%sp)
; CHECK-NEXT:    move.l (32,%sp), (8,%sp)
; CHECK-NEXT:    move.l (28,%sp), (4,%sp)
; CHECK-NEXT:    move.l (24,%sp), (%sp)
; CHECK-NEXT:    jsr __muldi3@PLT
; CHECK-NEXT:    adda.l #20, %sp
; CHECK-NEXT:    rts
  %k = mul i64 %t, %u
  ret i64 %k
}