linux-kernel - [tip: x86/asm] x86/hweight: Use named operands in inline asm()

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Message-ID: <174180800520.14745.12493115932200431344.tip-bot2@tip-bot2>
Date: Wed, 12 Mar 2025 19:33:25 -0000
From: "tip-bot2 for Uros Bizjak" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Uros Bizjak <ubizjak@...il.com>, Ingo Molnar <mingo@...nel.org>,
 "H. Peter Anvin" <hpa@...or.com>, Nathan Chancellor <nathan@...nel.org>,
 Nick Desaulniers <ndesaulniers@...gle.com>,
 Linus Torvalds <torvalds@...ux-foundation.org>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject: [tip: x86/asm] x86/hweight: Use named operands in inline asm()

The following commit has been merged into the x86/asm branch of tip:

Commit-ID:     f9d73498e7bfe3dc47bb4c7ce37ad07286dd8d16
Gitweb:        https://git.kernel.org/tip/f9d73498e7bfe3dc47bb4c7ce37ad07286dd8d16
Author:        Uros Bizjak <ubizjak@...il.com>
AuthorDate:    Wed, 12 Mar 2025 13:38:43 +01:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Wed, 12 Mar 2025 20:18:28 +01:00

x86/hweight: Use named operands in inline asm()

No functional change intended.

Signed-off-by: Uros Bizjak <ubizjak@...il.com>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Cc: "H. Peter Anvin" <hpa@...or.com>
Cc: Nathan Chancellor <nathan@...nel.org>
Cc: Nick Desaulniers <ndesaulniers@...gle.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Link: https://lore.kernel.org/r/20250312123905.149298-1-ubizjak@gmail.com
---
 arch/x86/include/asm/arch_hweight.h | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/x86/include/asm/arch_hweight.h b/arch/x86/include/asm/arch_hweight.h
index ba88edd..a11bb84 100644
--- a/arch/x86/include/asm/arch_hweight.h
+++ b/arch/x86/include/asm/arch_hweight.h
@@ -16,9 +16,9 @@ static __always_inline unsigned int __arch_hweight32(unsigned int w)
 {
 	unsigned int res;
 
-	asm (ALTERNATIVE("call __sw_hweight32", "popcntl %1, %0", X86_FEATURE_POPCNT)
-			 : "="REG_OUT (res)
-			 : REG_IN (w));
+	asm (ALTERNATIVE("call __sw_hweight32", "popcntl %[val], %[cnt]", X86_FEATURE_POPCNT)
+			 : [cnt] "=" REG_OUT (res)
+			 : [val] REG_IN (w));
 
 	return res;
 }
@@ -44,9 +44,9 @@ static __always_inline unsigned long __arch_hweight64(__u64 w)
 {
 	unsigned long res;
 
-	asm (ALTERNATIVE("call __sw_hweight64", "popcntq %1, %0", X86_FEATURE_POPCNT)
-			 : "="REG_OUT (res)
-			 : REG_IN (w));
+	asm (ALTERNATIVE("call __sw_hweight64", "popcntq %[val], %[cnt]", X86_FEATURE_POPCNT)
+			 : [cnt] "=" REG_OUT (res)
+			 : [val] REG_IN (w));
 
 	return res;
 }