[Beignet] [PATCH] [PATCH]Fix compile errors for CLANG compiler

[Zou, Nanhai]

Replace those with something like 
vector<GenRegister> dst[valueNum];
would be better.

Thanks
Zou Nanhai

-----Original Message-----
From: Beignet [mailto:beignet-bounces at lists.freedesktop.org] On Behalf Of Song, Ruiling
Sent: Thursday, August 07, 2014 3:30 PM
To: Lv, Meng; beignet at lists.freedesktop.org
Cc: Lv, Meng
Subject: Re: [Beignet] [PATCH] [PATCH]Fix compile errors for CLANG compiler

The patch LGTM.

Ruiling
-----Original Message-----
From: Beignet [mailto:beignet-bounces at lists.freedesktop.org] On Behalf Of Lv Meng
Sent: Wednesday, August 06, 2014 10:31 AM
To: beignet at lists.freedesktop.org
Cc: Lv, Meng
Subject: [Beignet] [PATCH] [PATCH]Fix compile errors for CLANG compiler

this patch would fix variable length array of non-POD element type error for CLANG compiler.
Signed-off-by: Lv Meng <meng.lv at intel.com>
---
 backend/src/backend/gen_insn_selection.cpp | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/backend/src/backend/gen_insn_selection.cpp b/backend/src/backend/gen_insn_selection.cpp
index 090f897..39f5141 100644
--- a/backend/src/backend/gen_insn_selection.cpp
+++ b/backend/src/backend/gen_insn_selection.cpp
@@ -2799,7 +2799,7 @@ namespace gbe
       /* XXX support scalar only right now. */
       GBE_ASSERT(valueNum == 1);
       GBE_ASSERT(bti.count == 1);
-      GenRegister dst[valueNum];
+      GenRegister *dst = static_cast<GenRegister 
+ *>(alloca(sizeof(GenRegister) * valueNum));
       GenRegister tmpAddr = getRelativeAddress(sel, addr, insn.getAddressSpace(), bti.bti[0]);
       for ( uint32_t dstID = 0; dstID < valueNum; ++dstID)
         dst[dstID] = sel.selReg(insn.getValue(dstID), ir::TYPE_U64); @@ -2999,7 +2999,7 @@ namespace gbe
       /* XXX support scalar only right now. */
       GBE_ASSERT(valueNum == 1);
       addr = GenRegister::retype(addr, GEN_TYPE_UD);
-      GenRegister src[valueNum];
+      GenRegister *src = static_cast<GenRegister 
+ *>(alloca(sizeof(GenRegister) * valueNum));
 
       for (uint32_t valueID = 0; valueID < valueNum; ++valueID)
         src[valueID] = sel.selReg(insn.getValue(valueID), ir::TYPE_U64); @@ -3710,11 +3710,10 @@ namespace gbe
     {
       using namespace ir;
       GenRegister msgPayloads[4];
-      GenRegister dst[insn.getDstNum()];
       uint32_t srcNum = insn.getSrcNum();
       uint32_t valueID = 0;
       uint32_t msgLen = 0;
-
+      GenRegister *dst = static_cast<GenRegister 
+ *>(alloca(sizeof(GenRegister) * insn.getDstNum()));
       for (valueID = 0; valueID < insn.getDstNum(); ++valueID)
         dst[valueID] = sel.selReg(insn.getDst(valueID), insn.getDstType());
 
--
1.8.3.2

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