File: mul64.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2~deb10u1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 995,836 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (50 lines) | stat: -rw-r--r-- 976 bytes parent folder | download | duplicates (32) 
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
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
 
; RUN: llc < %s -march=xcore | FileCheck %s
; RUN: llc < %s -march=xcore -regalloc=basic | FileCheck %s
define i64 @umul_lohi(i32 %a, i32 %b) {
entry:
	%0 = zext i32 %a to i64
	%1 = zext i32 %b to i64
	%2 = mul i64 %1, %0
	ret i64 %2
}
; CHECK-LABEL: umul_lohi:
; CHECK: ldc [[REG:r[0-9]+]], 0
; CHECK-NEXT: lmul {{.*}}, [[REG]], [[REG]]
; CHECK-NEXT: retsp 0

define i64 @smul_lohi(i32 %a, i32 %b) {
entry:
	%0 = sext i32 %a to i64
	%1 = sext i32 %b to i64
	%2 = mul i64 %1, %0
	ret i64 %2
}
; CHECK-LABEL: smul_lohi:
; CHECK: ldc
; CHECK-NEXT: mov
; CHECK-NEXT: maccs
; CHECK: retsp 0

define i64 @mul64(i64 %a, i64 %b) {
entry:
	%0 = mul i64 %a, %b
	ret i64 %0
}
; CHECK-LABEL: mul64:
; CHECK: ldc
; CHECK-NEXT: lmul
; CHECK-NEXT: mul
; CHECK-NEXT: lmul

define i64 @mul64_2(i64 %a, i32 %b) {
entry:
	%0 = zext i32 %b to i64
	%1 = mul i64 %a, %0
	ret i64 %1
}
; CHECK-LABEL: mul64_2:
; CHECK: ldc
; CHECK-NEXT: lmul
; CHECK-NEXT: mul
; CHECK-NEXT: add r1,
; CHECK: retsp 0