no1wudi commented on a change in pull request #5695:
URL: https://github.com/apache/incubator-nuttx/pull/5695#discussion_r822213121
##########
File path: arch/risc-v/include/setjmp.h
##########
@@ -25,13 +25,24 @@
* Included Files
****************************************************************************/
+#include <nuttx/config.h>
+#include <nuttx/compiler.h>
+
/****************************************************************************
* Public Types
****************************************************************************/
struct setjmp_buf_s
{
long regs[14];
+
+ /* Float callee register : fs0-fs11 */
+
+#ifdef CONFIG_ARCH_DPFPU
+ double fregs[12];
+#elif defined(CONFIG_ARCH_FPU)
Review comment:
> BTW why do we store only 12 values? From
`arch/risc-v/src/common/riscv_fpu.S` I see that there are 32 values? Are 20
left values preserved somehow?
Only fs0-fs11 marked as `Callee`.
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