File: mul64.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,998,492 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; 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