cpuid: remove un-needed bit shifting

eax/ebx/ecx/edx are 32-bit registers, and we need 8 bits from most
significand bits so there is no need to mask out 0xFF.

Signed-off-by: Ahmed Samy <f.fallen45@gmail.com>

diff --git a/ccan/cpuid/cpuid.c b/ccan/cpuid/cpuid.c
index a64b1575092ad0daa770cb90c0761ab54f85a32b..ad134b5613ef5be80305aab165be0b655a6a6ee2 100644 (file)
--- a/ccan/cpuid/cpuid.c
+++ b/ccan/cpuid/cpuid.c
@@ -314,7 +314,7 @@ void cpuid(cpuid_t info, uint32_t *buf)
                        buf[5] = ebx & 0xFF;
                        buf[6] = (ebx >> 8) & 0xFF;
                        buf[7] = (ebx >> 16) & 0xFF;
-                       buf[8] = (ebx >> 24) & 0xFF;
+                       buf[8] = ebx >> 24;
                        break;
                case CPUID_CACHE_AND_TLBD_INFO:
                        buf[0] = eax;
@@ -330,22 +330,22 @@ void cpuid(cpuid_t info, uint32_t *buf)
                        buf[0] = eax & 0xFF;
                        buf[1] = (eax >> 8) & 0xFF;
                        buf[2] = (eax >> 16) & 0xFF;
-                       buf[3] = (eax >> 24) & 0xFF;
+                       buf[3] = eax >> 24;
 
                        buf[4] = ebx & 0xFF;
                        buf[5] = (ebx >> 8) & 0xFF;
                        buf[6] = (ebx >> 16) & 0xFF;
-                       buf[7] = (ebx >> 24) & 0xFF;
+                       buf[7] = ebx >> 24;
 
                        buf[8] = ecx & 0xFF;
                        buf[9] = (ecx >> 8) & 0xFF;
                        buf[10] = (ecx >> 16) & 0xFF;
-                       buf[11] = (ecx >> 24) & 0xFF;
+                       buf[11] = ecx >> 24;
 
                        buf[12] = edx & 0xFF;
                        buf[13] = (edx >> 8) & 0xFF;
                        buf[14] = (edx >> 16) & 0xFF;
-                       buf[15] = (edx >> 24) & 0xFF;
+                       buf[15] = edx >> 24;
                        break;
                case CPUID_EXTENDED_L2_CACHE_FEATURES:
                        buf[0] = ecx & 0xFF;            /* Line size.  */