thumb2.md (thumb2_mulsi_short_compare0): Use a low-register for the scratch.

Richard Earnshaw · Richard Earnshaw · commit 3fc604fcde42 · 2009-12-05T17:04:39.000Z
* arm/thumb2.md (thumb2_mulsi_short_compare0): Use a low-register
	for the scratch.

From-SVN: r155011
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2009-12-05  Richard Earnshaw  <rearnsha@arm.com>
+
+	* arm/thumb2.md (thumb2_mulsi_short_compare0): Use a low-register
+	for the scratch.
+
 2009-12-04  David Daney  <ddaney@caviumnetworks.com>
 
 	PR rtl-optimization/42164
diff --git a/gcc/config/arm/thumb2.md b/gcc/config/arm/thumb2.md
@@ -1310,7 +1310,7 @@
          (mult:SI (match_operand:SI 1 "register_operand" "%0")
 	          (match_operand:SI 2 "register_operand" "l"))
          (const_int 0)))
-   (clobber (match_scratch:SI 0 "=r"))]
+   (clobber (match_scratch:SI 0 "=l"))]
   "TARGET_THUMB2 && optimize_size"
   "muls\\t%0, %2, %0"
   [(set_attr "length" "2")

-Original file line number
+Diff line change
 +2009-12-05  Richard Earnshaw  <[email protected]>
++
 +	* arm/thumb2.md (thumb2_mulsi_short_compare0): Use a low-register
 +	for the scratch.
++
 -12-04  David Daney  <[email protected]>
 	PR rtl-optimization/42164