[PATCH] C-SKY: Support multilib for mfloat-abi=.

[Jojo R]

gcc/ChangeLog:

	* config/csky/t-csky-linux (CSKY_MULTILIB_OSDIRNAMES): Use mfloat-abi.
	(MULTILIB_OPTIONS): Likewise.
	* config/csky/t-csky-elf (MULTILIB_OPTIONS): Likewise.
	(MULTILIB_EXCEPTIONS): Likewise.

---
 gcc/config/csky/t-csky-elf   | 13 ++++++++-----
 gcc/config/csky/t-csky-linux |  8 ++++----
 2 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/gcc/config/csky/t-csky-elf b/gcc/config/csky/t-csky-elf
index cd690bc..62a2d83 100644
--- a/gcc/config/csky/t-csky-elf
+++ b/gcc/config/csky/t-csky-elf
@@ -100,8 +100,11 @@ MULTILIB_MATCHES     += mcpu?ck807f=march?ck807ef
 MULTILIB_MATCHES     += mcpu?ck807f=march?ck807
 MULTILIB_MATCHES     += mcpu?ck807f=mcpu?ck807
 
-# For option -msoft-float/-mhard-float.
-MULTILIB_OPTIONS     += msoft-float/mhard-float
-MULTILIB_DIRNAMES    += soft-fp hard-fp
-MULTILIB_EXCEPTIONS  += *mcpu=ck801/*mhard-float*
-MULTILIB_EXCEPTIONS  += *mcpu=ck802/*mhard-float*
+# For option -mfloat-abi=
+MULTILIB_OPTIONS     += mfloat-abi=soft/mfloat-abi=softfp/mfloat-abi=hard
+MULTILIB_DIRNAMES    += soft soft-fp hard-fp
+
+MULTILIB_EXCEPTIONS  += *mcpu=ck801/*mfloat-abi=softfp*
+MULTILIB_EXCEPTIONS  += *mcpu=ck802/*mfloat-abi=softfp*
+MULTILIB_EXCEPTIONS  += *mcpu=ck801/*mfloat-abi=hard*
+MULTILIB_EXCEPTIONS  += *mcpu=ck802/*mfloat-abi=hard*
diff --git a/gcc/config/csky/t-csky-linux b/gcc/config/csky/t-csky-linux
index df471ed..f4d656a 100644
--- a/gcc/config/csky/t-csky-linux
+++ b/gcc/config/csky/t-csky-linux
@@ -21,7 +21,7 @@
 
 
 MULTILIB_EXCEPTIONS  =
-CSKY_MULTILIB_OSDIRNAMES = mhard-float=/hard-fp msoft-float=/. mcpu.ck810f=/. mcpu.ck807f=/ck807
+CSKY_MULTILIB_OSDIRNAMES = mfloat-abi.softfp=/soft-fp mfloat-abi.hard=/hard-fp mfloat-abi.soft=/. mcpu.ck810f=/. mcpu.ck807f=/ck807
 
 # Arch variants.
 MULTILIB_OPTIONS     += mcpu=ck810f/mcpu=ck807f
@@ -41,6 +41,6 @@ MULTILIB_MATCHES     += mcpu?ck810f=mcpu?ck810vf
 MULTILIB_MATCHES     += mcpu?ck810f=mcpu?ck810ft
 MULTILIB_MATCHES     += mcpu?ck810f=mcpu?ck810vft
 
-# For option -msoft-float/-mhard-float.
-MULTILIB_OPTIONS    += msoft-float/mhard-float
-MULTILIB_DIRNAMES   += soft-fp hard-fp
+# For option -mfloat-abi=
+MULTILIB_OPTIONS     += mfloat-abi=soft/mfloat-abi=softfp/mfloat-abi=hard
+MULTILIB_DIRNAMES    += soft soft-fp hard-fp
-- 
1.9.1