[llvm] r222976 - [PowerPC] Add asm support for cache-inhibited ld/st instructions
Hal Finkel
hfinkel at anl.gov
Sun Nov 30 02:15:58 PST 2014
Author: hfinkel
Date: Sun Nov 30 04:15:56 2014
New Revision: 222976
URL: http://llvm.org/viewvc/llvm-project?rev=222976&view=rev
Log:
[PowerPC] Add asm support for cache-inhibited ld/st instructions
Add assembler support for the fixed-point cache-inhibited load/store
instructions. These are hypervisor-level only, so don't get too excited ;)
Fixes PR21650.
Modified:
llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.td
llvm/trunk/test/MC/Disassembler/PowerPC/ppc64-encoding-ext.txt
llvm/trunk/test/MC/PowerPC/ppc64-encoding-ext.s
Modified: llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.td?rev=222976&r1=222975&r2=222976&view=diff
==============================================================================
--- llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.td (original)
+++ llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.td Sun Nov 30 04:15:56 2014
@@ -3234,6 +3234,24 @@ def MTDCR : XFXForm_1<31, 451, (outs), (
def ATTN : XForm_attn<0, 256, (outs), (ins), "attn", IIC_BrB>;
+def LBZCIX : XForm_base_r3xo<31, 853, (outs gprc:$RST), (ins gprc:$A, gprc:$B),
+ "lbzcix $RST, $A, $B", IIC_LdStLoad, []>;
+def LHZCIX : XForm_base_r3xo<31, 821, (outs gprc:$RST), (ins gprc:$A, gprc:$B),
+ "lhzcix $RST, $A, $B", IIC_LdStLoad, []>;
+def LWZCIX : XForm_base_r3xo<31, 789, (outs gprc:$RST), (ins gprc:$A, gprc:$B),
+ "lwzcix $RST, $A, $B", IIC_LdStLoad, []>;
+def LDCIX : XForm_base_r3xo<31, 885, (outs gprc:$RST), (ins gprc:$A, gprc:$B),
+ "ldcix $RST, $A, $B", IIC_LdStLoad, []>;
+
+def STBCIX : XForm_base_r3xo<31, 981, (outs), (ins gprc:$RST, gprc:$A, gprc:$B),
+ "stbcix $RST, $A, $B", IIC_LdStLoad, []>;
+def STHCIX : XForm_base_r3xo<31, 949, (outs), (ins gprc:$RST, gprc:$A, gprc:$B),
+ "sthcix $RST, $A, $B", IIC_LdStLoad, []>;
+def STWCIX : XForm_base_r3xo<31, 917, (outs), (ins gprc:$RST, gprc:$A, gprc:$B),
+ "stwcix $RST, $A, $B", IIC_LdStLoad, []>;
+def STDCIX : XForm_base_r3xo<31, 1013, (outs), (ins gprc:$RST, gprc:$A, gprc:$B),
+ "stdcix $RST, $A, $B", IIC_LdStLoad, []>;
+
//===----------------------------------------------------------------------===//
// PowerPC Assembler Instruction Aliases
//
Modified: llvm/trunk/test/MC/Disassembler/PowerPC/ppc64-encoding-ext.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/Disassembler/PowerPC/ppc64-encoding-ext.txt?rev=222976&r1=222975&r2=222976&view=diff
==============================================================================
--- llvm/trunk/test/MC/Disassembler/PowerPC/ppc64-encoding-ext.txt (original)
+++ llvm/trunk/test/MC/Disassembler/PowerPC/ppc64-encoding-ext.txt Sun Nov 30 04:15:56 2014
@@ -2275,6 +2275,23 @@
# CHECK: rfid
0x4c 0x00 0x00 0x24
+# CHECK: lbzcix 21, 5, 7
+0x7e 0xa5 0x3e 0xaa
+# CHECK: lhzcix 21, 5, 7
+0x7e 0xa5 0x3e 0x6a
+# CHECK: lwzcix 21, 5, 7
+0x7e 0xa5 0x3e 0x2a
+# CHECK: ldcix 21, 5, 7
+0x7e 0xa5 0x3e 0xea
+# CHECK: stbcix 21, 5, 7
+0x7e 0xa5 0x3f 0xaa
+# CHECK: sthcix 21, 5, 7
+0x7e 0xa5 0x3f 0x6a
+# CHECK: stwcix 21, 5, 7
+0x7e 0xa5 0x3f 0x2a
+# CHECK: stdcix 21, 5, 7
+0x7e 0xa5 0x3f 0xea
+
# CHECK: attn
0x00 0x00 0x02 0x00
Modified: llvm/trunk/test/MC/PowerPC/ppc64-encoding-ext.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/PowerPC/ppc64-encoding-ext.s?rev=222976&r1=222975&r2=222976&view=diff
==============================================================================
--- llvm/trunk/test/MC/PowerPC/ppc64-encoding-ext.s (original)
+++ llvm/trunk/test/MC/PowerPC/ppc64-encoding-ext.s Sun Nov 30 04:15:56 2014
@@ -3634,6 +3634,33 @@
# CHECK-LE: mtspr 280, 2 # encoding: [0xa6,0x43,0x58,0x7c]
mtasr 2
+# Load and Store Caching Inhibited Instructions
+# CHECK-BE: lbzcix 21, 5, 7 # encoding: [0x7e,0xa5,0x3e,0xaa]
+# CHECK-LE: lbzcix 21, 5, 7 # encoding: [0xaa,0x3e,0xa5,0x7e]
+ lbzcix 21, 5, 7
+# CHECK-BE: lhzcix 21, 5, 7 # encoding: [0x7e,0xa5,0x3e,0x6a]
+# CHECK-LE: lhzcix 21, 5, 7 # encoding: [0x6a,0x3e,0xa5,0x7e]
+ lhzcix 21, 5, 7
+# CHECK-BE: lwzcix 21, 5, 7 # encoding: [0x7e,0xa5,0x3e,0x2a]
+# CHECK-LE: lwzcix 21, 5, 7 # encoding: [0x2a,0x3e,0xa5,0x7e]
+ lwzcix 21, 5, 7
+# CHECK-BE: ldcix 21, 5, 7 # encoding: [0x7e,0xa5,0x3e,0xea]
+# CHECK-LE: ldcix 21, 5, 7 # encoding: [0xea,0x3e,0xa5,0x7e]
+ ldcix 21, 5, 7
+
+# CHECK-BE: stbcix 21, 5, 7 # encoding: [0x7e,0xa5,0x3f,0xaa]
+# CHECK-LE: stbcix 21, 5, 7 # encoding: [0xaa,0x3f,0xa5,0x7e]
+ stbcix 21, 5, 7
+# CHECK-BE: sthcix 21, 5, 7 # encoding: [0x7e,0xa5,0x3f,0x6a]
+# CHECK-LE: sthcix 21, 5, 7 # encoding: [0x6a,0x3f,0xa5,0x7e]
+ sthcix 21, 5, 7
+# CHECK-BE: stwcix 21, 5, 7 # encoding: [0x7e,0xa5,0x3f,0x2a]
+# CHECK-LE: stwcix 21, 5, 7 # encoding: [0x2a,0x3f,0xa5,0x7e]
+ stwcix 21, 5, 7
+# CHECK-BE: stdcix 21, 5, 7 # encoding: [0x7e,0xa5,0x3f,0xea]
+# CHECK-LE: stdcix 21, 5, 7 # encoding: [0xea,0x3f,0xa5,0x7e]
+ stdcix 21, 5, 7
+
# Processor-Specific Instructions
# CHECK-BE: attn # encoding: [0x00,0x00,0x02,0x00]
# CHECK-LE: attn # encoding: [0x00,0x02,0x00,0x00]
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