This is an archive of the discontinued LLVM Phabricator instance.

Differential D51526

[Sparc] Add unimp alias
ClosedPublic

Authored by dcederman on Aug 31 2018, 12:43 AM.

Details

Reviewers
jyknight
venkatra
Commits
rGb35d3a273321: [Sparc] Add unimp alias
rL343203: [Sparc] Add unimp alias
Summary

Use 0 as the default immediate for the UNIMP instruction. This matches the behavior in gas.

Diff Detail

Repository
rL LLVM

Event Timeline

dcederman created this revision.Aug 31 2018, 12:43 AM
Herald added subscribers: llvm-commits, jrtc27, fedor.sergeev. · View Herald TranscriptAug 31 2018, 12:43 AM
This revision was not accepted when it landed; it landed in state Needs Review.Sep 27 2018, 5:37 AM
Closed by commit rL343203: [Sparc] Add unimp alias (authored by dcederman). · Explain Why
This revision was automatically updated to reflect the committed changes.

Revision Contents

PathSize
llvm/
trunk/
lib/
Target/
Sparc/
3 lines
test/
MC/
Sparc/
8 lines

Diff 167298

llvm/trunk/lib/Target/Sparc/SparcInstrAliases.td

Show First 20 Lines • Show All 470 Lines • ▼ Show 20 Lines
def : InstAlias<"wr $simm13, %tbr", (WRTBRri G0, i32imm:$simm13), 0>; def : InstAlias<"wr $simm13, %tbr", (WRTBRri G0, i32imm:$simm13), 0>;
def : InstAlias<"pwr $rs2, %psr", (PWRPSRrr G0, IntRegs:$rs2), 0>; def : InstAlias<"pwr $rs2, %psr", (PWRPSRrr G0, IntRegs:$rs2), 0>;
def : InstAlias<"pwr $simm13, %psr", (PWRPSRri G0, i32imm:$simm13), 0>; def : InstAlias<"pwr $simm13, %psr", (PWRPSRri G0, i32imm:$simm13), 0>;
// flush -> flush %g0 // flush -> flush %g0
def : InstAlias<"flush", (FLUSH), 0>; def : InstAlias<"flush", (FLUSH), 0>;
// unimp -> unimp 0
def : InstAlias<"unimp", (UNIMP 0), 0>;
def : MnemonicAlias<"iflush", "flush">; def : MnemonicAlias<"iflush", "flush">;
def : MnemonicAlias<"stub", "stb">; def : MnemonicAlias<"stub", "stb">;
def : MnemonicAlias<"stsb", "stb">; def : MnemonicAlias<"stsb", "stb">;
def : MnemonicAlias<"stuba", "stba">; def : MnemonicAlias<"stuba", "stba">;
def : MnemonicAlias<"stsba", "stba">; def : MnemonicAlias<"stsba", "stba">;
Show All 35 Lines

llvm/trunk/test/MC/Sparc/sparc-misc-instructions.s

! RUN: llvm-mc %s -arch=sparc -show-encoding | FileCheck %s
! RUN: llvm-mc %s -arch=sparcv9 -show-encoding | FileCheck %s
! CHECK: unimp 0 ! encoding: [0x00,0x00,0x00,0x00]
unimp
! CHECK: unimp 0 ! encoding: [0x00,0x00,0x00,0x00]
unimp 0