2006-07-21 Joseph Myers <joseph@codesourcery.com>csl-3_4_3-linux-branch

	* gcc/emit-rtl.c (validate_subreg): Disable test for changing size
	of floating mode.

2006-07-10  Mark Shinwell  <shinwell@codesourcery.com>

	* gcc/config/arm/wrs-linux.h (CC1_SPEC, SUBTARGET_EXTRA_ASM_SPEC,
	SYSROOT_SUFFIX_SPEC): Add support for iWMMXt2.
	* gcc/config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
	* gcc/config/arm/t-wrs-linux (MULTILIB_MATCHES): New, for iWMMXt2.
	* gcc/config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.


git-svn-id: https://gcc.gnu.org/svn/gcc/branches/csl-3_4_3-linux-branch@115673 138bc75d-0d04-0410-961f-82ee72b054a4

7 files changed, 23 insertions, 2 deletions

diff --git a/ChangeLog.csl b/ChangeLog.csl
index c627d0f518d..b36c457644d 100644
--- a/ChangeLog.csl
+++ b/ChangeLog.csl
@@ -1,3 +1,16 @@
+2006-07-21  Joseph Myers  <joseph@codesourcery.com>
+
+	* gcc/emit-rtl.c (validate_subreg): Disable test for changing size
+	of floating mode.
+
+2006-07-10  Mark Shinwell  <shinwell@codesourcery.com>
+
+	* gcc/config/arm/wrs-linux.h (CC1_SPEC, SUBTARGET_EXTRA_ASM_SPEC,
+	SYSROOT_SUFFIX_SPEC): Add support for iWMMXt2.
+	* gcc/config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
+	* gcc/config/arm/t-wrs-linux (MULTILIB_MATCHES): New, for iWMMXt2.
+	* gcc/config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
+
 2006-07-10  Mark Shinwell  <shinwell@codesourcery.com>
 
 	* gcc/config/arm/t-wrs-linux (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS,
diff --git a/gcc/config/arm/arm-cores.def b/gcc/config/arm/arm-cores.def
index 338e47cecb5..ac159b038c7 100644
--- a/gcc/config/arm/arm-cores.def
+++ b/gcc/config/arm/arm-cores.def
@@ -103,6 +103,7 @@ ARM_CORE("arm1020e",      arm1020e,	5TE,				 FL_LDSCHED, fastmul)
 ARM_CORE("arm1022e",      arm1022e,	5TE,				 FL_LDSCHED, fastmul)
 ARM_CORE("xscale",        xscale,	5TE,	                         FL_LDSCHED | FL_STRONG | FL_XSCALE, xscale)
 ARM_CORE("iwmmxt",        iwmmxt,	5TE,	                         FL_LDSCHED | FL_STRONG | FL_XSCALE | FL_IWMMXT, xscale)
+ARM_CORE("iwmmxt2",       iwmmxt2,	5TE,	                         FL_LDSCHED | FL_STRONG | FL_XSCALE | FL_IWMMXT, xscale)
 
 /* V5TEJ Architecture Processors */
 ARM_CORE("arm926ej-s",    arm926ejs,	5TEJ,	                         0, 9e)
diff --git a/gcc/config/arm/arm-tune.md b/gcc/config/arm/arm-tune.md
index 950cd912982..b201210fa62 100644
--- a/gcc/config/arm/arm-tune.md
+++ b/gcc/config/arm/arm-tune.md
@@ -1,5 +1,5 @@
 ;; -*- buffer-read-only: t -*-
 ;; Generated automatically by gentune.sh from arm-cores.def
 (define_attr "tune"
-	"arm2,arm250,arm3,arm6,arm60,arm600,arm610,arm620,arm7,arm7d,arm7di,arm70,arm700,arm700i,arm710,arm720,arm710c,arm7100,arm7500,arm7500fe,arm7m,arm7dm,arm7dmi,arm8,arm810,strongarm,strongarm110,strongarm1100,strongarm1110,arm7tdmi,arm7tdmis,arm710t,arm720t,arm740t,arm9,arm9tdmi,arm920,arm920t,arm922t,arm940t,ep9312,arm10tdmi,arm1020t,arm9e,arm946es,arm966es,arm968es,arm10e,arm1020e,arm1022e,xscale,iwmmxt,arm926ejs,arm1026ejs,arm1136js,arm1136jfs,arm1176jzs,arm1176jzfs,mpcorenovfp,mpcore"
+	"arm2,arm250,arm3,arm6,arm60,arm600,arm610,arm620,arm7,arm7d,arm7di,arm70,arm700,arm700i,arm710,arm720,arm710c,arm7100,arm7500,arm7500fe,arm7m,arm7dm,arm7dmi,arm8,arm810,strongarm,strongarm110,strongarm1100,strongarm1110,arm7tdmi,arm7tdmis,arm710t,arm720t,arm740t,arm9,arm9tdmi,arm920,arm920t,arm922t,arm940t,ep9312,arm10tdmi,arm1020t,arm9e,arm946es,arm966es,arm968es,arm10e,arm1020e,arm1022e,xscale,iwmmxt,iwmmxt2,arm926ejs,arm1026ejs,arm1136js,arm1136jfs,arm1176jzs,arm1176jzfs,mpcorenovfp,mpcore"
 	(const (symbol_ref "arm_tune")))
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
index 7fd1aa148d5..6ebc28b66ca 100644
--- a/gcc/config/arm/arm.c
+++ b/gcc/config/arm/arm.c
@@ -583,6 +583,7 @@ static const struct processors all_architectures[] =
   {"armv6zk", arm1176jzs, "6ZK", FL_CO_PROC |             FL_FOR_ARCH6ZK, NULL},
   {"ep9312",  ep9312,     "4T",  FL_LDSCHED | FL_CIRRUS | FL_FOR_ARCH4, NULL},
   {"iwmmxt",  iwmmxt,     "5TE", FL_LDSCHED | FL_STRONG | FL_FOR_ARCH5TE | FL_XSCALE | FL_IWMMXT , NULL},
+  {"iwmmxt2", iwmmxt2,     "5TE", FL_LDSCHED | FL_STRONG | FL_FOR_ARCH5TE | FL_XSCALE | FL_IWMMXT , NULL},
   {NULL, arm_none, NULL, 0 , NULL}
 };
 
diff --git a/gcc/config/arm/t-wrs-linux b/gcc/config/arm/t-wrs-linux
index 28e6ca1ec34..2d6b8ad56fd 100644
--- a/gcc/config/arm/t-wrs-linux
+++ b/gcc/config/arm/t-wrs-linux
@@ -32,6 +32,8 @@ MULTILIB_EXCEPTIONS += *tiwmmxt*/*mfloat-abi=softfp*
 MULTILIB_EXCEPTIONS += *txscale*/*mfloat-abi=softfp*
 MULTILIB_EXCEPTIONS += *tarm920t*/*mfloat-abi=softfp*
 
+MULTILIB_MATCHES = tiwmmxt=tiwmmxt2
+
 # These files must be built for each multilib.
 EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o crtbeginS.o crtendS.o crtbeginT.o
 
diff --git a/gcc/config/arm/wrs-linux.h b/gcc/config/arm/wrs-linux.h
index 7bce6e6556c..1d56c9ef924 100644
--- a/gcc/config/arm/wrs-linux.h
+++ b/gcc/config/arm/wrs-linux.h
@@ -29,6 +29,7 @@ Boston, MA 02111-1307, USA.  */
 #define CC1_SPEC "				\
  %{tarm926ej-s:	-mcpu=arm926ej-s ;		\
    tiwmmxt:     -mcpu=iwmmxt ;			\
+   tiwmmxt2:    -mcpu=iwmmxt ;			\
    txscale:     -mcpu=xscale -mbig-endian ;	\
    tarm920t:    -mcpu=arm920t }			\
  %{profile:-p}"
@@ -49,7 +50,7 @@ Boston, MA 02111-1307, USA.  */
    option is SUBTARGET_EXTRA_ASM_SPEC in bpabi.h.  */
 #undef SUBTARGET_EXTRA_ASM_SPEC
 #define SUBTARGET_EXTRA_ASM_SPEC \
-  "%{tiwmmxt:-mcpu=iwmmxt} %{txscale:-mcpu=xscale -EB} -meabi=4" 
+  "%{tiwmmxt2:-mcpu=iwmmxt2} %{tiwmmxt:-mcpu=iwmmxt} %{txscale:-mcpu=xscale -EB} -meabi=4" 
 
 /* Translate -tiwmmxt for the linker.  */
 #undef SUBTARGET_EXTRA_LINK_SPEC
@@ -62,6 +63,7 @@ Boston, MA 02111-1307, USA.  */
 #undef SYSROOT_SUFFIX_SPEC
 #define SYSROOT_SUFFIX_SPEC			\
   "%{muclibc:/uclibc}%{tiwmmxt:/tiwmmxt ;	\
+     tiwmmxt2:/tiwmmxt ;			\
      txscale:/txscale ;				\
      tarm920t:/tarm920t}%{mfloat-abi=softfp:/softfp}"
 
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c
index 42595a207b7..bffd822038a 100644
--- a/gcc/emit-rtl.c
+++ b/gcc/emit-rtl.c
@@ -654,8 +654,10 @@ validate_subreg (enum machine_mode omode, enum machine_mode imode,
      (subreg:SI (reg:DF) 0) isn't.  */
   else if (FLOAT_MODE_P (imode) || FLOAT_MODE_P (omode))
     {
+#if 0
       if (isize != osize)
 	return false;
+#endif
     }
 
   /* Paradoxical subregs must have offset zero.  */