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RISC-V: Handle rouding mode correctly on zfinx

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Zfinx has provide fcsr like F, so rouding mode should use fcsr instead
of `soft` fenv.

libgcc/ChangeLog:

	* config/riscv/sfp-machine.h (FP_INIT_ROUNDMODE): Check zfinx.
	(FP_HANDLE_EXCEPTIONS): Ditto.
This commit is contained in:
Kito Cheng 2023-06-29 16:13:45 +08:00
parent e1c23189ab
commit 0d40aeb9b8
1 changed files with 1 additions and 1 deletions
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libgcc/config/riscv/sfp-machine.h
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@ -113,7 +113,7 @@ typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
#define _FP_TININESS_AFTER_ROUNDING 1
#ifdef __riscv_flen
#if defined(__riscv_flen) || defined(__riscv_zfinx)
#define FP_INIT_ROUNDMODE \
do { \
__asm__ volatile ("frrm %0" : "=r" (_frm)); \