Bug 535765 debug build Firefox failed to start on Solaris r=gal

js/src/nanojit/Nativei386.cpp

@@ -93,13 +93,13 @@ namespace nanojit
             : "%eax", "%esi", "%ecx", "%edx"
            );
     #elif defined __SUNPRO_C || defined __SUNPRO_CC
-        asm("push %%ebx\n"
+        asm("xchg %%esi, %%ebx\n"
             "mov $0x01, %%eax\n"
             "cpuid\n"
-            "pop %%ebx\n"
+            "xchg %%esi, %%ebx\n"
             : "=d" (features)
             : /* We have no inputs */
-            : "%eax", "%ecx"
+            : "%eax", "%ecx", "esi"
            );
     #endif
         return (features & (1<<26)) != 0;
@@ -320,6 +320,12 @@ namespace nanojit
             btr RegAlloc::free[ecx], eax    // free &= ~rmask(i)
             mov r, eax
         }
+    #elif defined __SUNPRO_C || defined __SUNPRO_CC
+        asm(
+            "bsf    %1, %%edi\n\t"
+            "btr    %%edi, (%2)\n\t"
+            "movl   %%edi, %0\n\t"
+            : "=a"(r) : "d"(set), "c"(&regs.free) : "%edi", "memory" );
     #else
         asm(
             "bsf    %1, %%eax\n\t"