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llvm-mirror/test/CodeGen/PowerPC/pr26180.ll
Jinsong Ji c7cbe2ad6b [PowerPC] Support extended mnemonics mffprwz etc.
Summary:
Reported in https://github.com/opencv/opencv/issues/15413.

We have serveral extended mnemonics for Move To/From Vector-Scalar Register Instructions
eg: mffprd,mtfprd etc.

We only support one of them, this patch add the others.

Reviewers: nemanjai, steven.zhang, hfinkel, #powerpc

Reviewed By: hfinkel

Subscribers: wuzish, qcolombet, hiraditya, kbarton, MaskRay, shchenz, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D66963

llvm-svn: 370411
2019-08-29 21:53:59 +00:00

28 lines
800 B
LLVM

; RUN: llc -mcpu=generic -mtriple=powerpc64le-unknown-unknown -O0 < %s \
; RUN: -verify-machineinstrs | FileCheck %s --check-prefix=GENERIC
; RUN: llc -mcpu=ppc -mtriple=powerpc64le-unknown-unknown -O0 < %s \
; RUN: -verify-machineinstrs | FileCheck %s
define i32 @bad(double %x) {
%1 = fptoui double %x to i32
ret i32 %1
; CHECK: fctidz [[REG0:[0-9]+]], 1
; CHECK: stfd [[REG0]], [[OFF:.*]](1)
; CHECK: lwz {{[0-9]*}}, [[OFF]](1)
; GENERIC: xscvdpuxws [[REG0:[0-9]+]], 1
; GENERIC: mffprwz {{[0-9]*}}, [[REG0]]
}
define i32 @bad1(float %x) {
entry:
%0 = fptosi float %x to i32
ret i32 %0
; CHECK: fctiwz [[REG0:[0-9]+]], 1
; CHECK: stfd [[REG0]], [[OFF:.*]](1)
; CHECK: lwa {{[0-9]*}}, [[OFF]](1)
; GENERIC: xscvdpsxws [[REG0:[0-9]+]], 1
; GENERIC: mffprwz {{[0-9]*}}, [[REG0]]
}