[llvm-commits] [llvm] r72336 - in /llvm/trunk/lib/Target/ARM: ARMBuildAttrs.h AsmPrinter/ARMAsmPrinter.cpp

[Anton Korobeynikov]

Author: asl
Date: Sat May 23 14:51:20 2009
New Revision: 72336

URL: http://llvm.org/viewvc/llvm-project?rev=72336&view=rev
Log:
Emit ARM Build Attributes

Added:
    llvm/trunk/lib/Target/ARM/ARMBuildAttrs.h
Modified:
    llvm/trunk/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp

Added: llvm/trunk/lib/Target/ARM/ARMBuildAttrs.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMBuildAttrs.h?rev=72336&view=auto

==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMBuildAttrs.h (added)
+++ llvm/trunk/lib/Target/ARM/ARMBuildAttrs.h Sat May 23 14:51:20 2009
@@ -0,0 +1,64 @@
+//===-------- ARMBuildAttrs.h - ARM Build Attributes ------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains enumerations amd support routines for ARM build attributes
+// as defined in ARM ABI addenda document (ABI release 2.07).
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef __TARGET_ARMBUILDATTRS_H__
+#define __TARGET_ARMBUILDATTRS_H__
+
+namespace ARMBuildAttrs {
+  enum {
+    File                      = 1,
+    Section                   = 2,
+    Symbol                    = 3,
+    CPU_raw_name              = 4,
+    CPU_name                  = 5,
+    CPU_arch                  = 6,
+    CPU_arch_profile          = 7,
+    ARM_ISA_use               = 8,
+    THUMB_ISA_use             = 9,
+    VFP_arch                  = 10,
+    WMMX_arch                 = 11,
+    Advanced_SIMD_arch        = 12,
+    PCS_config                = 13,
+    ABI_PCS_R9_use            = 14,
+    ABI_PCS_RW_data           = 15,
+    ABI_PCS_RO_data           = 16,
+    ABI_PCS_GOT_use           = 17,
+    ABI_PCS_wchar_t           = 18,
+    ABI_FP_rounding           = 19,
+    ABI_FP_denormal           = 20,
+    ABI_FP_exceptions         = 21,
+    ABI_FP_user_exceptions    = 22,
+    ABI_FP_number_model       = 23,
+    ABI_align8_needed         = 24,
+    ABI_align8_preserved      = 25,
+    ABI_enum_size             = 26,
+    ABI_HardFP_use            = 27,
+    ABI_VFP_args              = 28,
+    ABI_WMMX_args             = 29,
+    ABI_optimization_goals    = 30,
+    ABI_FP_optimization_goals = 31,
+    compatibility             = 32,
+    CPU_unaligned_access      = 34,
+    VFP_HP_extension          = 36,
+    ABI_FP_16bit_format       = 38,
+    nodefaults                = 64,
+    also_compatible_with      = 65,
+    T2EE_use                  = 66,
+    conformance               = 67,
+    Virtualization_use        = 68,
+    MPextension_use           = 70
+  };
+}
+
+#endif // __TARGET_ARMBUILDATTRS_H__

Modified: llvm/trunk/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp?rev=72336&r1=72335&r2=72336&view=diff

==============================================================================
--- llvm/trunk/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp (original)
+++ llvm/trunk/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp Sat May 23 14:51:20 2009
@@ -14,6 +14,7 @@
 
 #define DEBUG_TYPE "asm-printer"
 #include "ARM.h"
+#include "ARMBuildAttrs.h"
 #include "ARMTargetMachine.h"
 #include "ARMAddressingModes.h"
 #include "ARMConstantPoolValue.h"
@@ -816,6 +817,32 @@
   if (Subtarget->isTargetDarwin())
     Mang->setUseQuotes(true);
 
+  // Emit ARM Build Attributes
+  if (Subtarget->isTargetELF()) {
+    // CPU Type
+    O << "\t.cpu " << Subtarget->getCPUString() << '\n';
+
+    // FIXME: Emit FPU type
+    if (Subtarget->hasVFP2())
+      O << "\t.eabi_attribute " << ARMBuildAttrs::VFP_arch << ", 2\n";
+
+    // Signal various FP modes.
+    if (!UnsafeFPMath)
+      O << "\t.eabi_attribute " << ARMBuildAttrs::ABI_FP_denormal << ", 1\n"
+        << "\t.eabi_attribute " << ARMBuildAttrs::ABI_FP_exceptions << ", 1\n";
+
+    if (FiniteOnlyFPMath())
+      O << "\t.eabi_attribute " << ARMBuildAttrs::ABI_FP_number_model << ", 1\n";
+    else
+      O << "\t.eabi_attribute " << ARMBuildAttrs::ABI_FP_number_model << ", 3\n";
+
+    // 8-bytes alignment stuff.
+    O << "\t.eabi_attribute " << ARMBuildAttrs::ABI_align8_needed << ", 1\n"
+      << "\t.eabi_attribute " << ARMBuildAttrs::ABI_align8_preserved << ", 1\n";
+
+    // FIXME: Should we signal R9 usage?
+  }
+
   return Result;
 }