@@ -21,7 +21,7 @@ along with GCC; see the file COPYING3. If not see
/* This target is a multilib target, specify the sysroot paths. */
#undef SYSROOT_SUFFIX_SPEC
#define SYSROOT_SUFFIX_SPEC \
- "%{mips32:/mips32}%{mips64:/mips64}%{mips64r2:/mips64r2}%{msoft-float:/sof}%{mel|EL:/el}%{mabi=64:/64}%{mabi=n32:/n32}"
+ "%{mips32:/mips32}%{mips64:/mips64}%{mips64r2:/mips64r2}%{mabi=64:/64}%{mel|EL:/el}%{msoft-float:/sof}"
#undef DRIVER_SELF_SPECS
#define DRIVER_SELF_SPECS \
@@ -36,6 +36,10 @@ along with GCC; see the file COPYING3. If not see
/* Infer the -msynci setting from -march if not explicitly set. */ \
MIPS_ISA_SYNCI_SPEC, \
\
+ /* If no ABI option is specified, infer one from the ISA level \
+ or -mgp setting. */ \
+ "%{!mabi=*: %{" MIPS_32BIT_OPTION_SPEC ": -mabi=32;: -mabi=n32}}", \
+ \
/* Base SPECs. */ \
BASE_DRIVER_SELF_SPECS \
\
@@ -19,6 +19,15 @@
# The default build is mips32r2, hard-float big-endian. Add mips32,
# soft-float, and little-endian variations.
-MULTILIB_OPTIONS = mips32/mips64/mips64r2 msoft-float EL
-MULTILIB_DIRNAMES = mips32 mips64 mips64r2 sof el
+MULTILIB_OPTIONS = mips32/mips64/mips64r2 mabi=64 EL msoft-float
+MULTILIB_DIRNAMES = mips32 mips64 mips64r2 64 el sof
MULTILIB_MATCHES = EL=mel EB=meb
+
+# The 64 bit ABI is not supported on the mips32 architecture.
+MULTILIB_EXCEPTIONS += *mips32*/*mabi=64*
+
+# The 64 bit ABI is not supported on the mips32r2 architecture.
+# Because mips32r2 is the default we can't use that flag to trigger
+# the exception so we check for mabi=64 with no specific mips flag
+# instead.
+MULTILIB_EXCEPTIONS += mabi=64*