Fix build on mips

Setting and getting register values as bytes instead of depending on the 128 bit integer support in register value.
This patch will fix the build failure in the release branch.

Reviewers: tberghammer, clayborg, hans
Subscribers: bhushan, nitesh.jain, jaydeep, lldb-commits
Differential: http://reviews.llvm.org/D12275
llvm-svn: 245927

1 files changed, 3 insertions, 10 deletions

diff --git a/lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux_mips64.cpp b/lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux_mips64.cpp
index ac7a5aac4b2..c895f8d4466 100644
--- a/lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux_mips64.cpp
+++ b/lldb/source/Plugins/Process/Linux/NativeRegisterContextLinux_mips64.cpp
@@ -584,7 +584,6 @@ NativeRegisterContextLinux_mips64::ReadRegister (const RegisterInfo *reg_info, R
     if (IsMSA(reg) || IsFPR(reg))
     {
         uint8_t *src;
-        type128 int128;
 
         error = ReadCP1();
 
@@ -604,9 +603,6 @@ NativeRegisterContextLinux_mips64::ReadRegister (const RegisterInfo *reg_info, R
             assert (reg_info->byte_offset < sizeof(UserArea));
             src = (uint8_t *)&m_msa + reg_info->byte_offset - (sizeof(m_gpr) + sizeof(m_fpr));
         }
-        int128.x[0] = *(uint64_t *)src;
-        int128.x[1] = *(uint64_t *)(src + 8);
-        llvm::APInt rhs = llvm::APInt(128, 2, int128.x);
         switch (reg_info->byte_size)
         {
             case 4:
@@ -616,7 +612,7 @@ NativeRegisterContextLinux_mips64::ReadRegister (const RegisterInfo *reg_info, R
                 reg_value.SetUInt64(*(uint64_t *)src);
                 break;
             case 16:
-                reg_value.SetUInt128(rhs);
+                reg_value.SetBytes((const void *)src, 16, GetByteOrder());
                 break;
             default:
                 assert(false && "Unhandled data size.");
@@ -660,7 +656,7 @@ NativeRegisterContextLinux_mips64::WriteRegister (const RegisterInfo *reg_info,
     if (IsFPR(reg_index) || IsMSA(reg_index))
     {
         uint8_t *dst;
-        const uint64_t *src;
+        uint64_t *src;
 
         // Initialise the FP and MSA buffers by reading all co-processor 1 registers
         ReadCP1();
@@ -675,8 +671,6 @@ NativeRegisterContextLinux_mips64::WriteRegister (const RegisterInfo *reg_info,
             assert (reg_info->byte_offset < sizeof(UserArea));
             dst = (uint8_t *)&m_msa + reg_info->byte_offset - (sizeof(m_gpr) + sizeof(m_fpr));
         }
-        llvm::APInt lhs;
-        llvm::APInt fail_value = llvm::APInt::getMaxValue(128);
         switch (reg_info->byte_size)
         {
             case 4:
@@ -686,8 +680,7 @@ NativeRegisterContextLinux_mips64::WriteRegister (const RegisterInfo *reg_info,
                 *(uint64_t *)dst = reg_value.GetAsUInt64();
                 break;
             case 16:
-                lhs = reg_value.GetAsUInt128(fail_value);
-                src = lhs.getRawData();
+                src = (uint64_t *)reg_value.GetBytes();
                 *(uint64_t *)dst = *src;
                 *(uint64_t *)(dst + 8) = *(src + 1);
                 break;