儲存庫 vbox 的更動 51834

時間撮記:

2014-7-3 上午07:52:22 (10 年 以前)

作者:

vboxsync

訊息:

gcc inline: use '=g' here we can also directly operate on memory and of course '=' prevents constants. Also fix the typo in ASMRotateRightU64()

檔案:

• trunk/include/iprt/asm.h (修改) (4 筆差異)

trunk/include/iprt/asm.h

@@ -4827 +4827 @@
     return _rotl(u32, cShift);
 #elif RT_INLINE_ASM_GNU_STYLE && (defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86))
-    __asm__ __volatile__("roll %b1, %0" : "=r" (u32) : "Ic" (cShift), "0" (u32));
+    __asm__ __volatile__("roll %b1, %0" : "=g" (u32) : "Ic" (cShift), "0" (u32));
     return u32;
 #else
@@ -4848 +4848 @@
     return _rotr(u32, cShift);
 #elif RT_INLINE_ASM_GNU_STYLE && (defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86))
-    __asm__ __volatile__("rorl %b1, %0" : "=r" (u32) : "Ic" (cShift), "0" (u32));
+    __asm__ __volatile__("rorl %b1, %0" : "=g" (u32) : "Ic" (cShift), "0" (u32));
     return u32;
 #else
@@ -4869 +4869 @@
     return _rotl64(u64, cShift);
 #elif RT_INLINE_ASM_GNU_STYLE && defined(RT_ARCH_AMD64)
-    __asm__ __volatile__("rolq %b1, %0" : "=r" (u64) : "Jc" (cShift), "0" (u64));
+    __asm__ __volatile__("rolq %b1, %0" : "=g" (u64) : "Jc" (cShift), "0" (u64));
     return u64;
 #elif RT_INLINE_ASM_GNU_STYLE && defined(RT_ARCH_X86)
@@ -4906 +4906 @@
     return _rotr64(u64, cShift);
 #elif RT_INLINE_ASM_GNU_STYLE && defined(RT_ARCH_AMD64)
-    __asm__ __volatile__("rorq %b1, %0" : "=r" (u64) : "Jr" (cShift), "0" (u64));
+    __asm__ __volatile__("rorq %b1, %0" : "=g" (u64) : "Jc" (cShift), "0" (u64));
     return u64;
 #elif RT_INLINE_ASM_GNU_STYLE && defined(RT_ARCH_X86)