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author | Andrew Lenharth <andrewl@lenharth.org> | 2008-02-16 01:24:58 +0000 |
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committer | Andrew Lenharth <andrewl@lenharth.org> | 2008-02-16 01:24:58 +0000 |
commit | 22c5c1b2dfcb1da6a7ebfebea903401fc77d56e6 (patch) | |
tree | 2e65d654e3f499c5538ca7ef024a0c7c76f9d3f4 /lib/Target/Alpha/AlphaInstrInfo.td | |
parent | 527c250a9080a5b6cf0053a6215037c3769ff4a0 (diff) | |
download | external_llvm-22c5c1b2dfcb1da6a7ebfebea903401fc77d56e6.zip external_llvm-22c5c1b2dfcb1da6a7ebfebea903401fc77d56e6.tar.gz external_llvm-22c5c1b2dfcb1da6a7ebfebea903401fc77d56e6.tar.bz2 |
llvm.memory.barrier, and impl for x86 and alpha
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47204 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Alpha/AlphaInstrInfo.td')
-rw-r--r-- | lib/Target/Alpha/AlphaInstrInfo.td | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/Target/Alpha/AlphaInstrInfo.td b/lib/Target/Alpha/AlphaInstrInfo.td index 474180f..6274a3e 100644 --- a/lib/Target/Alpha/AlphaInstrInfo.td +++ b/lib/Target/Alpha/AlphaInstrInfo.td @@ -568,8 +568,14 @@ def LDQl : MForm<0x29, 1, "ldq $RA,$DISP($RB)\t\t!literal", def : Pat<(Alpha_rellit texternalsym:$ext, GPRC:$RB), (LDQl texternalsym:$ext, GPRC:$RB)>; - def RPCC : MfcForm<0x18, 0xC000, "rpcc $RA", s_rpcc>; //Read process cycle counter +def MB : MfcPForm<0x18, 0x4000, "mb", s_imisc>; //memory barrier +def WMB : MfcPForm<0x18, 0x4400, "wmb", s_imisc>; //write memory barrier + +def : Pat<(membarrier (i64 imm:$ll), (i64 imm:$ls), (i64 imm:$sl), (i64 1), (i64 imm:$dev)), + (WMB)>; +def : Pat<(membarrier (i64 imm:$ll), (i64 imm:$ls), (i64 imm:$sl), (i64 imm:$ss), (i64 imm:$dev)), + (MB)>; //Basic Floating point ops @@ -959,6 +965,7 @@ def : Pat<(brcond (setune F8RC:$RA, immFPZ), bb:$DISP), //S_floating : IEEE Single //T_floating : IEEE Double + //Unused instructions //Mnemonic Format Opcode Description //CALL_PAL Pcd 00 Trap to PALcode |