Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
x86/hweight: Use named operands in inline asm()
No functional change intended.
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20250312123905.149298-1-ubizjak@gmail.com
authored by
Uros Bizjak
and committed by
Ingo Molnar
72899899
91d5451d
+6
-6
+6
-6
arch/x86/include/asm/arch_hweight.h
+6
-6
arch/x86/include/asm/arch_hweight.h
···
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{
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unsigned int res;
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-
asm (ALTERNATIVE("call __sw_hweight32", "popcntl %1, %0", X86_FEATURE_POPCNT)
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: "="REG_OUT (res)
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: REG_IN (w));
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+
asm (ALTERNATIVE("call __sw_hweight32", "popcntl %[val], %[cnt]", X86_FEATURE_POPCNT)
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: [cnt] "=" REG_OUT (res)
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: [val] REG_IN (w));
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return res;
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}
···
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{
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unsigned long res;
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asm (ALTERNATIVE("call __sw_hweight64", "popcntq %1, %0", X86_FEATURE_POPCNT)
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: "="REG_OUT (res)
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: REG_IN (w));
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asm (ALTERNATIVE("call __sw_hweight64", "popcntq %[val], %[cnt]", X86_FEATURE_POPCNT)
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: [cnt] "=" REG_OUT (res)
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: [val] REG_IN (w));
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return res;
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}