File: mul64.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
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