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arm: remove outdated comment concerning -ffixed-x18

Clang 9 supports -ffixed-x18.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Heinrich Schuchardt 4 years ago
parent
commit
b87d8d6a0e
1 changed files with 0 additions and 4 deletions
  1. 0 4
      arch/arm/include/asm/global_data.h

+ 0 - 4
arch/arm/include/asm/global_data.h

@@ -96,10 +96,6 @@ static inline gd_t *get_gd(void)
 	gd_t *gd_ptr;
 
 #ifdef CONFIG_ARM64
-	/*
-	 * Make will already error that reserving x18 is not supported at the
-	 * time of writing, clang: error: unknown argument: '-ffixed-x18'
-	 */
 	__asm__ volatile("mov %0, x18\n" : "=r" (gd_ptr));
 #else
 	__asm__ volatile("mov %0, r9\n" : "=r" (gd_ptr));