git: 1ae396e2adae - stable/14 - libc: fix strtold NaN representation on riscv

From: Siva Mahadevan <siva_at_FreeBSD.org>
Date: Fri, 26 Jun 2026 16:59:41 UTC
The branch stable/14 has been updated by siva:

URL: https://cgit.FreeBSD.org/src/commit/?id=1ae396e2adaebb4fc71d29628789804ac9b0be44

commit 1ae396e2adaebb4fc71d29628789804ac9b0be44
Author:     Siva Mahadevan <siva@FreeBSD.org>
AuthorDate: 2026-06-10 22:29:02 +0000
Commit:     Siva Mahadevan <siva@FreeBSD.org>
CommitDate: 2026-06-26 15:59:48 +0000

    libc: fix strtold NaN representation on riscv
    
    Regenerate gd_qnan.h on riscv using the qnan.c
    config tool found in contrib/gdtoa.
    
    This fixes the following tests in CI:
    lib/libc/stdio/scanfloat_test:infinities_and_nans
    lib/libc/stdlib/strtod_test:strtold_nan
    
    Reviewed by:    jrtc27
    MFC after:      3 days
    Differential Revision:  https://reviews.freebsd.org/D57405
    
    (cherry picked from commit 1e25cda7f06923d05e28dac8eb1c1c428a5c92dc)
---
 lib/libc/riscv/gd_qnan.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/libc/riscv/gd_qnan.h b/lib/libc/riscv/gd_qnan.h
index 66e48706d6bb..d4e3baeed108 100644
--- a/lib/libc/riscv/gd_qnan.h
+++ b/lib/libc/riscv/gd_qnan.h
@@ -9,11 +9,11 @@
 #define d_QNAN0 0x0
 #define d_QNAN1 0x7ff80000
 #define ld_QNAN0 0x0
-#define ld_QNAN1 0x7ff80000
+#define ld_QNAN1 0x0
 #define ld_QNAN2 0x0
-#define ld_QNAN3 0x0
+#define ld_QNAN3 0x7fff8000
 #define ldus_QNAN0 0x0
 #define ldus_QNAN1 0x0
 #define ldus_QNAN2 0x0
-#define ldus_QNAN3 0x7ff8
+#define ldus_QNAN3 0x0
 #define ldus_QNAN4 0x0