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From: Richard Biener <rguenth@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r13-5141] arm: Don't add crtfastmath.o for -shared Date: Fri, 13 Jan 2023 11:14:47 +0000 (GMT) [thread overview] Message-ID: <20230113111447.C7F36385482C@sourceware.org> (raw) https://gcc.gnu.org/g:426a9f5570d74040176f81e7cf6806b36ebc907f commit r13-5141-g426a9f5570d74040176f81e7cf6806b36ebc907f Author: Richard Biener <rguenther@suse.de> Date: Fri Jan 13 08:51:10 2023 +0100 arm: Don't add crtfastmath.o for -shared Don't add crtfastmath.o for -shared to avoid altering the FP environment when loading a shared library. PR target/55522 * config/arm/linux-eabi.h (ENDFILE_SPEC): Don't add crtfastmath.o for -shared. * config/arm/unknown-elf.h (STARTFILE_SPEC): Likewise. Diff: --- gcc/config/arm/linux-eabi.h | 2 +- gcc/config/arm/unknown-elf.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/gcc/config/arm/linux-eabi.h b/gcc/config/arm/linux-eabi.h index 57f830f0176..a119875599d 100644 --- a/gcc/config/arm/linux-eabi.h +++ b/gcc/config/arm/linux-eabi.h @@ -121,7 +121,7 @@ #undef ENDFILE_SPEC #define ENDFILE_SPEC \ - "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} " \ + "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} " \ LINUX_OR_ANDROID_LD (GNU_USER_TARGET_ENDFILE_SPEC, ANDROID_ENDFILE_SPEC) /* Use the default LIBGCC_SPEC, not the version in linux-elf.h, as we diff --git a/gcc/config/arm/unknown-elf.h b/gcc/config/arm/unknown-elf.h index 464d38b6cc6..397ac3f68b9 100644 --- a/gcc/config/arm/unknown-elf.h +++ b/gcc/config/arm/unknown-elf.h @@ -33,7 +33,7 @@ #undef STARTFILE_SPEC #define STARTFILE_SPEC \ - "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} " \ + "%{Ofast|ffast-math|funsafe-math-optimizations:%{!shared:crtfastmath.o%s}} " \ UNKNOWN_ELF_STARTFILE_SPEC #define UNKNOWN_ELF_ENDFILE_SPEC "crtend%O%s crtn%O%s"
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