blob: 4c3b05486d6e1c72f903317b733527cdd127978b [file] [log] [blame]
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; Test high-part vector multiply-and-add on arch15
;
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=arch15 | FileCheck %s
; Test a v2i64 unsigned high-part multiply-and-add.
define <2 x i64> @f1(<2 x i64> %val1, <2 x i64> %val2, <2 x i64> %val3) {
; CHECK-LABEL: f1:
; CHECK: # %bb.0:
; CHECK-NEXT: vmalhg %v24, %v24, %v26, %v28
; CHECK-NEXT: br %r14
%zext1 = zext <2 x i64> %val1 to <2 x i128>
%zext2 = zext <2 x i64> %val2 to <2 x i128>
%zext3 = zext <2 x i64> %val3 to <2 x i128>
%mulx = mul <2 x i128> %zext1, %zext2
%addx = add <2 x i128> %mulx, %zext3
%highx = lshr <2 x i128> %addx, splat(i128 64)
%high = trunc <2 x i128> %highx to <2 x i64>
ret <2 x i64> %high
}
; Test a v2i64 signed high-part multiply-and-add.
define <2 x i64> @f2(<2 x i64> %val1, <2 x i64> %val2, <2 x i64> %val3) {
; CHECK-LABEL: f2:
; CHECK: # %bb.0:
; CHECK-NEXT: vmahg %v24, %v24, %v26, %v28
; CHECK-NEXT: br %r14
%sext1 = sext <2 x i64> %val1 to <2 x i128>
%sext2 = sext <2 x i64> %val2 to <2 x i128>
%sext3 = sext <2 x i64> %val3 to <2 x i128>
%mulx = mul <2 x i128> %sext1, %sext2
%addx = add <2 x i128> %mulx, %sext3
%highx = lshr <2 x i128> %addx, splat(i128 64)
%high = trunc <2 x i128> %highx to <2 x i64>
ret <2 x i64> %high
}