Bug 537489 - nsSigHandler.cpp should use _M_IX86 instead of _M_IA32, r=bsmedberg

toolkit/xre/nsSigHandlers.cpp

@@ -363,7 +363,7 @@ void InstallSignalHandlers(const char *ProgramName)
 #define MXCSR(ctx) (ctx)->MxCsr
 #endif
 
-#if defined(_M_IA32) || defined(_M_X64)
+#if defined(_M_IX86) || defined(_M_X64)
 
 #define X87CW(ctx) (ctx)->FloatSave.ControlWord
 #define X87SW(ctx) (ctx)->FloatSave.StatusWord
@@ -391,13 +391,13 @@ LONG __stdcall FpeHandler(PEXCEPTION_POINTERS pe)
     case STATUS_FLOAT_MULTIPLE_FAULTS:
     case STATUS_FLOAT_MULTIPLE_TRAPS:
       X87CW(c) |= FPU_EXCEPTION_MASK; /* disable all FPU exceptions */
-      X86SW(c) &= ~FPU_STATUS_FLAGS;  /* clear all pending FPU exceptions */
-#ifdef _M_IA32
+      X87SW(c) &= ~FPU_STATUS_FLAGS;  /* clear all pending FPU exceptions */
+#ifdef _M_IX86
       if (c->ContextFlags & CONTEXT_EXTENDED_REGISTERS) {
 #endif
         MXCSR(c) |= SSE_EXCEPTION_MASK; /* disable all SSE exceptions */
         MXCSR(c) &= ~SSE_STATUS_FLAGS;  /* clear all pending SSE exceptions */
-#ifdef _M_IA32
+#ifdef _M_IX86
       }
 #endif
       return EXCEPTION_CONTINUE_EXECUTION;

toolkit/xre/nsSigHandlers.h

@@ -36,7 +36,7 @@
  *
  * ***** END LICENSE BLOCK ***** */
 
-#if defined(_M_IA32) || defined(_M_X86) || defined(__i386__) || defined(__amd64__)
+#if defined(_M_IX86) || defined(__i386__) || defined(__amd64__)
 
 /*
  * x87 FPU Control Word: