IA MCU psABI support: changes to libraries

Patch in the bottom adds support of IA MCU psABI to libgcc (enables soft-fp) and libdecnumber (enables it for IA MCU). config/ * dfp.m4 (enable_decimal_float): Also set to yes for i?86*-*-elfiamcu target. gcc/ * configure: Regenerated. libdecnumber/ * configure: Regenerated. libgcc/ * config.host: Support i[34567]86-*-elfiamcu target. * config/t-softfp-sfdftf: New file. * config/i386/32/t-iamcu: Likewise. * configure: Regenerated. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@225198 138bc75d-0d04-0410-961f-82ee72b054a4
gcc-mirror · Jun 30, 2015 · 146896e · 146896e
1 parent 1c26a2e
commit 146896e
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diff --git a/config/ChangeLog b/config/ChangeLog
@@ -1,3 +1,8 @@
+2015-06-30  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* dfp.m4 (enable_decimal_float): Also set to yes for
+	i?86*-*-elfiamcu target.
+
 2015-05-27  Jason Merrill  <jason@redhat.com>
 
 	PR bootstrap/66304

diff --git a/config/dfp.m4 b/config/dfp.m4
@@ -21,7 +21,7 @@ Valid choices are 'yes', 'bid', 'dpd', and 'no'.]) ;;
 [
   case $1 in
     powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux* | s390*-*-linux* | \
-    i?86*-*-gnu* | \
+    i?86*-*-elfiamcu | i?86*-*-gnu* | \
     i?86*-*-mingw* | x86_64*-*-mingw* | \
     i?86*-*-cygwin* | x86_64*-*-cygwin*)
       enable_decimal_float=yes

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2015-06-30  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* configure: Regenerated.
+
 2015-06-30  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* config.gcc: Support i[34567]86-*-elfiamcu target.

diff --git a/gcc/configure b/gcc/configure
@@ -7317,7 +7317,7 @@ else
 
   case $target in
     powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux* | s390*-*-linux* | \
-    i?86*-*-gnu* | \
+    i?86*-*-elfiamcu | i?86*-*-gnu* | \
     i?86*-*-mingw* | x86_64*-*-mingw* | \
     i?86*-*-cygwin* | x86_64*-*-cygwin*)
       enable_decimal_float=yes

diff --git a/libdecnumber/ChangeLog b/libdecnumber/ChangeLog
@@ -1,3 +1,7 @@
+2015-06-30  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* configure: Regenerated.
+
 2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
 
 	* aclocal.m4: Regenerated with automake-1.11.6.

diff --git a/libdecnumber/configure b/libdecnumber/configure
@@ -4614,7 +4614,7 @@ else
 
   case $target in
     powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux* | s390*-*-linux* | \
-    i?86*-*-gnu* | \
+    i?86*-*-elfiamcu | i?86*-*-gnu* | \
     i?86*-*-mingw* | x86_64*-*-mingw* | \
     i?86*-*-cygwin* | x86_64*-*-cygwin*)
       enable_decimal_float=yes

diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
@@ -1,3 +1,10 @@
+2015-06-30  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* config.host: Support i[34567]86-*-elfiamcu target.
+	* config/t-softfp-sfdftf: New file.
+	* config/i386/32/t-iamcu: Likewise.
+	* configure: Regenerated.
+
 2015-06-23  James Lemke  <jwlemke@codesourcery.com>
 
 	libgcc/config/arm/

diff --git a/libgcc/config.host b/libgcc/config.host
@@ -562,6 +562,9 @@ x86_64-*-darwin*)
 	tm_file="$tm_file i386/darwin-lib.h"
 	extra_parts="$extra_parts crtprec32.o crtprec64.o crtprec80.o crtfastmath.o"
 	;;
+i[34567]86-*-elfiamcu)
+	tmake_file="$tmake_file i386/t-crtstuff t-softfp-sfdftf i386/32/t-softfp i386/32/t-iamcu i386/t-softfp t-softfp t-dfprules"
+	;;
 i[34567]86-*-elf*)
 	tmake_file="$tmake_file i386/t-crtstuff t-crtstuff-pic t-libgcc-pic"
 	;;

diff --git a/libgcc/config/i386/32/t-iamcu b/libgcc/config/i386/32/t-iamcu
@@ -0,0 +1 @@
+HOST_LIBGCC2_CFLAGS += -mlong-double-80
diff --git a/libgcc/config/t-softfp-sfdftf b/libgcc/config/t-softfp-sfdftf
@@ -0,0 +1,5 @@
+softfp_float_modes := sf df tf
+softfp_int_modes := si di
+softfp_extensions := sfdf sftf dftf xftf
+softfp_truncations := dfsf tfsf tfdf tfxf
+softfp_exclude_libgcc2 := n
diff --git a/libgcc/configure b/libgcc/configure
@@ -4436,7 +4436,7 @@ else
 
   case $host in
     powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux* | s390*-*-linux* | \
-    i?86*-*-gnu* | \
+    i?86*-*-elfiamcu | i?86*-*-gnu* | \
     i?86*-*-mingw* | x86_64*-*-mingw* | \
     i?86*-*-cygwin* | x86_64*-*-cygwin*)
       enable_decimal_float=yes