mozilla-inbound: changeset 298175:fdbc5ad618facce8b3e8abc2c9f8f409934b2df2

author	Jeff Muizelaar <jmuizelaar@mozilla.com>
	Thu, 19 May 2016 11:23:30 -0400
changeset 298175	fdbc5ad618facce8b3e8abc2c9f8f409934b2df2
parent 298174	937ab6cd1b4894a811bbe9199fde5de75f281b79
child 298176	a3eb07c249c423d3ff2ee258665be51480a404be
push id	77060
push user	jmuizelaar@mozilla.com
push date	Thu, 19 May 2016 19:02:15 +0000
treeherder	mozilla-inbound@fdbc5ad618fa [default view] [failures only]
perfherder	[talos] [build metrics] [platform microbench] (compared to previous push)
bugs	1274253
milestone	49.0a1
first release with	nightly linux32 f1f2644d3444 / 49.0a1 / 20160521030227 / files nightly linux64 f1f2644d3444 / 49.0a1 / 20160521030227 / files nightly mac f1f2644d3444 / 49.0a1 / 20160521030227 / files nightly win32 f1f2644d3444 / 49.0a1 / 20160521030227 / files nightly win64 f1f2644d3444 / 49.0a1 / 20160521030227 / files
last release without	nightly linux32 c4449eab07d3 / 49.0a1 / 20160519030232 / files nightly linux64 c4449eab07d3 / 49.0a1 / 20160519030232 / files nightly mac c4449eab07d3 / 49.0a1 / 20160519030232 / files nightly win32 c4449eab07d3 / 49.0a1 / 20160519030232 / files nightly win64 c4449eab07d3 / 49.0a1 / 20160519030232 / files

--- a/mozglue/build/SSE.cpp
+++ b/mozglue/build/SSE.cpp
@@ -29,17 +29,17 @@ has_cpuid_bits(unsigned int level, CPUID
   unsigned max = __get_cpuid_max(0, NULL);
   if (level > max)
     return false;
   __cpuid_count(level, 0, eax, ebx, ecx, edx);
   regs[0] = eax;
   regs[1] = ebx;
   regs[2] = ecx;
   regs[3] = edx;
-  return regs[reg] & bits;
+  return (regs[reg] & bits) == bits;
 }
 
 static uint64_t xgetbv(uint32_t xcr) {
     uint32_t eax, edx;
     __asm__ ( ".byte 0x0f, 0x01, 0xd0" : "=a"(eax), "=d"(edx) : "c"(xcr));
     return (uint64_t)(edx) << 32 | eax;
 }