From: Aldy Hernandez <aldyh@redhat.com>
Date: Mon, 26 Nov 2001 10:18:47 +0000 (+0000)
Subject: * regclass.c (choose_hard_reg_mode): Handle vector arguments.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=78b583fed8b7f8047020113bedea5e0dac25b033;p=gcc.git

* regclass.c (choose_hard_reg_mode): Handle vector arguments.

From-SVN: r47338
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a3af9cc248b..411ff77e6ca 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2001-11-25  Aldy Hernandez  <aldyh@redhat.com>
+
+	* regclass.c (choose_hard_reg_mode): Handle vector arguments.
+
 2001-11-26  Alan Modra  <amodra@bigpond.net.au>
 
 	* final.c: (insn_lengths): Make it an int *, so that large jump
diff --git a/gcc/regclass.c b/gcc/regclass.c
index 826da242dc1..9ef8c8cdffb 100644
--- a/gcc/regclass.c
+++ b/gcc/regclass.c
@@ -713,6 +713,26 @@ choose_hard_reg_mode (regno, nregs)
   if (found_mode != VOIDmode)
     return found_mode;
 
+  for (mode = GET_CLASS_NARROWEST_MODE (MODE_VECTOR_FLOAT);
+       mode != VOIDmode;
+       mode = GET_MODE_WIDER_MODE (mode))
+    if (HARD_REGNO_NREGS (regno, mode) == nregs
+	&& HARD_REGNO_MODE_OK (regno, mode))
+      found_mode = mode;
+
+  if (found_mode != VOIDmode)
+    return found_mode;
+
+  for (mode = GET_CLASS_NARROWEST_MODE (MODE_VECTOR_INT);
+       mode != VOIDmode;
+       mode = GET_MODE_WIDER_MODE (mode))
+    if (HARD_REGNO_NREGS (regno, mode) == nregs
+	&& HARD_REGNO_MODE_OK (regno, mode))
+      found_mode = mode;
+
+  if (found_mode != VOIDmode)
+    return found_mode;
+
   /* Iterate over all of the CCmodes.  */
   for (m = (unsigned int) CCmode; m < (unsigned int) NUM_MACHINE_MODES; ++m)
     {