From fd860ace3bded96bee0e5c090a5a4d8b085b700c Mon Sep 17 00:00:00 2001 From: Andrew Turner Date: Wed, 25 Aug 2021 11:05:55 +0100 Subject: [PATCH] Remove the DN flag from the initial arm64 fpcr value This fixes software that expects NaN values to propagate. Sponsored by: The FreeBSD Foundation --- sys/arm64/include/vfp.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/arm64/include/vfp.h b/sys/arm64/include/vfp.h index 629b1b7fadf..bee0121d9d2 100644 --- a/sys/arm64/include/vfp.h +++ b/sys/arm64/include/vfp.h @@ -35,7 +35,7 @@ #define VFPCR_AHP (0x04000000) /* alt. half-precision: */ #define VFPCR_DN (0x02000000) /* default NaN enable */ #define VFPCR_FZ (0x01000000) /* flush to zero enabled */ -#define VFPCR_INIT VFPCR_DN /* Default fpcr after exec */ +#define VFPCR_INIT 0 /* Default fpcr after exec */ #define VFPCR_RMODE_OFF 22 /* rounding mode offset */ #define VFPCR_RMODE_MASK (0x00c00000) /* rounding mode mask */