diff options
Diffstat (limited to 'meta/recipes-core/glibc/glibc/0032-soft-fp-ignore-maybe-uninitialized.patch')
| -rw-r--r-- | meta/recipes-core/glibc/glibc/0032-soft-fp-ignore-maybe-uninitialized.patch | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/meta/recipes-core/glibc/glibc/0032-soft-fp-ignore-maybe-uninitialized.patch b/meta/recipes-core/glibc/glibc/0032-soft-fp-ignore-maybe-uninitialized.patch new file mode 100644 index 0000000000..4d56e55296 --- /dev/null +++ b/meta/recipes-core/glibc/glibc/0032-soft-fp-ignore-maybe-uninitialized.patch @@ -0,0 +1,72 @@ +From 0efa7fd1c800277d5323d05cb245c0536fe9ce22 Mon Sep 17 00:00:00 2001 +From: Martin Jansa <Martin.Jansa@gmail.com> +Date: Sun, 16 Sep 2018 12:39:22 +0000 +Subject: [PATCH] soft-fp: ignore maybe-uninitialized + +* with -O it fails with: + +In file included from ../soft-fp/soft-fp.h:318, + from ../sysdeps/ieee754/soft-fp/s_fdiv.c:28: +../sysdeps/ieee754/soft-fp/s_fdiv.c: In function '__fdiv': +../soft-fp/op-2.h:98:25: error: 'R_f1' may be used uninitialized in this function [-Werror=maybe-uninitialized] + X##_f0 = (X##_f1 << (_FP_W_TYPE_SIZE - (N)) | X##_f0 >> (N) \ + ^~ +../sysdeps/ieee754/soft-fp/s_fdiv.c:38:14: note: 'R_f1' was declared here + FP_DECL_D (R); + ^ +../soft-fp/op-2.h:37:36: note: in definition of macro '_FP_FRAC_DECL_2' + _FP_W_TYPE X##_f0 _FP_ZERO_INIT, X##_f1 _FP_ZERO_INIT + ^ +../soft-fp/double.h:95:24: note: in expansion of macro '_FP_DECL' + # define FP_DECL_D(X) _FP_DECL (2, X) + ^~~~~~~~ +../sysdeps/ieee754/soft-fp/s_fdiv.c:38:3: note: in expansion of macro 'FP_DECL_D' + FP_DECL_D (R); + ^~~~~~~~~ +../soft-fp/op-2.h:101:17: error: 'R_f0' may be used uninitialized in this function [-Werror=maybe-uninitialized] + : (X##_f0 << (_FP_W_TYPE_SIZE - (N))) != 0)); \ + ^~ +../sysdeps/ieee754/soft-fp/s_fdiv.c:38:14: note: 'R_f0' was declared here + FP_DECL_D (R); + ^ +../soft-fp/op-2.h:37:14: note: in definition of macro '_FP_FRAC_DECL_2' + _FP_W_TYPE X##_f0 _FP_ZERO_INIT, X##_f1 _FP_ZERO_INIT + ^ +../soft-fp/double.h:95:24: note: in expansion of macro '_FP_DECL' + # define FP_DECL_D(X) _FP_DECL (2, X) + ^~~~~~~~ +../sysdeps/ieee754/soft-fp/s_fdiv.c:38:3: note: in expansion of macro 'FP_DECL_D' + FP_DECL_D (R); + ^~~~~~~~~ + +Upstream-Status: Submitted [https://www.sourceware.org/ml/libc-alpha/2018-09/msg00300.html] + +Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com> +--- + soft-fp/op-2.h | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/soft-fp/op-2.h b/soft-fp/op-2.h +index 6020d663d4..6672337949 100644 +--- a/soft-fp/op-2.h ++++ b/soft-fp/op-2.h +@@ -92,6 +92,8 @@ + X##_f1 = 0; \ + })) + ++#pragma GCC diagnostic push ++#pragma GCC diagnostic ignored "-Wmaybe-uninitialized" + #define _FP_FRAC_SRS_2(X, N, sz) \ + (void) (((N) < _FP_W_TYPE_SIZE) \ + ? ({ \ +@@ -109,6 +111,7 @@ + | X##_f0) != 0)); \ + X##_f1 = 0; \ + })) ++#pragma GCC diagnostic pop + + #define _FP_FRAC_ADDI_2(X, I) \ + __FP_FRAC_ADDI_2 (X##_f1, X##_f0, I) +-- +2.17.1 + |