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| author | Xi Ruoyao <xry111@xry111.site> | 2022-07-26 21:46:20 +0800 |
|---|---|---|
| committer | Xi Ruoyao <xry111@xry111.site> | 2022-07-27 10:19:55 +0800 |
| commit | 66434729a79dfa2d9790aadeca7082511c387980 (patch) | |
| tree | 212f0639bda831a62d4e61c4360b0bd60f6b4173 /gcc/configure.ac | |
| parent | fd96c4b51a733f72fa567a96c253fb3ddf11bd2a (diff) | |
| download | gcc-66434729a79dfa2d9790aadeca7082511c387980.zip gcc-66434729a79dfa2d9790aadeca7082511c387980.tar.gz gcc-66434729a79dfa2d9790aadeca7082511c387980.tar.bz2 | |
LoongArch: adjust the default of -mexplicit-relocs by checking gas feature
The assembly produced with -mexplicit-relocs is not supported by gas <=
2.39. Check if the assembler supports explicit relocations and set the
default accordingly.
gcc/ChangeLog:
* configure.ac (HAVE_AS_EXPLICIT_RELOCS): Define to 1 if the
assembler supports explicit relocation for LoongArch.
* configure: Regenerate.
* config/loongarch/loongarch-opts.h (HAVE_AS_EXPLICIT_RELOCS):
Define to 0 if not defined.
* config/loongarch/genopts/loongarch.opt.in
(TARGET_EXPLICIT_RELOCS): Default to HAVE_AS_EXPLICIT_RELOCS.
* config/loongarch/loongarch.opt: Regenerate.
Diffstat (limited to 'gcc/configure.ac')
| -rw-r--r-- | gcc/configure.ac | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/configure.ac b/gcc/configure.ac index 4467473..e5f708c 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -5287,7 +5287,7 @@ configured with --enable-newlib-nano-formatted-io.]) [AC_DEFINE(HAVE_AS_MARCH_ZIFENCEI, 1, [Define if the assembler understands -march=rv*_zifencei.])]) ;; - loongarch*-*-*) + loongarch*-*-*) gcc_GAS_CHECK_FEATURE([.dtprelword support], gcc_cv_as_loongarch_dtprelword, [2,18,0],, [.section .tdata,"awT",@progbits @@ -5297,6 +5297,11 @@ x: .dtprelword x+0x8000],, [AC_DEFINE(HAVE_AS_DTPRELWORD, 1, [Define if your assembler supports .dtprelword.])]) + gcc_GAS_CHECK_FEATURE([explicit relocation support], + gcc_cv_as_loongarch_explicit_relocs,, + [a:pcalau12i $t0,%pc_hi20(a)],, + [AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1, + [Define if your assembler supports explicit relocation.])]) ;; s390*-*-*) gcc_GAS_CHECK_FEATURE([.gnu_attribute support], |