The following commit has been merged into the x86/urgent branch of tip: Commit-ID: 81e96851ea32deb2c921c870eecabf335f598aeb Gitweb: https://git.kernel.org/tip/81e96851ea32deb2c921c870eecabf335f598aeb Author: Arnd Bergmann <arnd@xxxxxxxx> AuthorDate: Wed, 27 May 2020 15:53:46 +02:00 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitterDate: Thu, 16 Jul 2020 17:26:42 +02:00 x86: math-emu: Fix up 'cmp' insn for clang ias The clang integrated assembler requires the 'cmp' instruction to have a length prefix here: arch/x86/math-emu/wm_sqrt.S:212:2: error: ambiguous instructions require an explicit suffix (could be 'cmpb', 'cmpw', or 'cmpl') cmp $0xffffffff,-24(%ebp) ^ Make this a 32-bit comparison, which it was clearly meant to be. Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Reviewed-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx> Link: https://lkml.kernel.org/r/20200527135352.1198078-1-arnd@xxxxxxxx --- arch/x86/math-emu/wm_sqrt.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/math-emu/wm_sqrt.S b/arch/x86/math-emu/wm_sqrt.S index 3b2b581..40526dd 100644 --- a/arch/x86/math-emu/wm_sqrt.S +++ b/arch/x86/math-emu/wm_sqrt.S @@ -209,7 +209,7 @@ sqrt_stage_2_finish: #ifdef PARANOID /* It should be possible to get here only if the arg is ffff....ffff */ - cmp $0xffffffff,FPU_fsqrt_arg_1 + cmpl $0xffffffff,FPU_fsqrt_arg_1 jnz sqrt_stage_2_error #endif /* PARANOID */
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