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提交 8316646b 编写于 作者: 还_没_想_好's avatar 还_没_想_好
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[libcpu][arm] 修复因提前返回,导致sp指针不对称问题

上级 ae7a33c2
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Showing with 0 addition and 3 deletion
libcpu/arm/cortex-m3/cpuport.c
浏览文件 @ 8316646b
......@@ -395,7 +395,6 @@ int __rt_ffs(int value)
"ADDS r0, r0, #0x01 \n"
"exit: \n"
"BX lr \n"
: "=r"(value)
: "r"(value)
......
libcpu/arm/cortex-m4/cpuport.c
浏览文件 @ 8316646b
......@@ -479,7 +479,6 @@ int __rt_ffs(int value)
"ADDS r0, r0, #0x01 \n"
"exit: \n"
"BX lr \n"
: "=r"(value)
: "r"(value)
......
libcpu/arm/cortex-m7/cpuport.c
浏览文件 @ 8316646b
......@@ -479,7 +479,6 @@ int __rt_ffs(int value)
"ADDS r0, r0, #0x01 \n"
"exit: \n"
"BX lr \n"
: "=r"(value)
: "r"(value)
......
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