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Fix the false positive of SECP_64BIT_ASM_CHECK

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Sprite 2022-04-15 16:41:43 +08:00
parent 8746600eec
commit 7efc9835a9
1 changed files with 1 additions and 1 deletions
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build-aux/m4/bitcoin_secp.m4
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@ -1,7 +1,7 @@
dnl escape "$0x" below using the m4 quadrigaph @S|@, and escape it again with a \ for the shell. dnl escape "$0x" below using the m4 quadrigaph @S|@, and escape it again with a \ for the shell.
AC_DEFUN([SECP_64BIT_ASM_CHECK],[ AC_DEFUN([SECP_64BIT_ASM_CHECK],[
AC_MSG_CHECKING(for x86_64 assembly availability) AC_MSG_CHECKING(for x86_64 assembly availability)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <stdint.h>]],[[ #include <stdint.h>]],[[
uint64_t a = 11, tmp; uint64_t a = 11, tmp;
__asm__ __volatile__("movq \@S|@0x100000000,%1; mulq %%rsi" : "+a"(a) : "S"(tmp) : "cc", "%rdx"); __asm__ __volatile__("movq \@S|@0x100000000,%1; mulq %%rsi" : "+a"(a) : "S"(tmp) : "cc", "%rdx");