From: Georg-Johann Lay <avr@gjlay.de>
Date: Tue, 21 Jul 2015 17:25:48 +0000 (+0000)
Subject: re PR target/66956 ([avr] Using 32*32=64 multiplicatiion (umulsidi3) for 32=32*32... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1f82f1245db9096c1fe53acc763fdfacdba2a440;p=gcc.git

re PR target/66956 ([avr] Using 32*32=64 multiplicatiion (umulsidi3) for 32=32*32 without MUL.)

	PR target/66956
	* config/avr/avr-dimode.md (<extend_u>mulsidi3_insn)
	(<extend_u>mulsidi3): Don't use if !AVR_HAVE_MUL.

From-SVN: r226046
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index fa9d3ef40e8..8e25b9a0640 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2015-07-21  Georg-Johann Lay  <avr@gjlay.de>
+
+	PR target/66956
+	* config/avr/avr-dimode.md (<extend_u>mulsidi3_insn)
+	(<extend_u>mulsidi3): Don't use if !AVR_HAVE_MUL.
+
 2015-07-21  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/66948
diff --git a/gcc/config/avr/avr-dimode.md b/gcc/config/avr/avr-dimode.md
index 1243360eedb..a1cd6d91c6d 100644
--- a/gcc/config/avr/avr-dimode.md
+++ b/gcc/config/avr/avr-dimode.md
@@ -461,7 +461,8 @@
               (match_operand:SI 2 "general_operand" "")
               ;; Just to mention the iterator 
               (clobber (any_extend:SI (match_dup 1)))])]
-  "avr_have_dimode"
+  "avr_have_dimode
+   && AVR_HAVE_MUL"
   {
     avr_fix_inputs (operands, 1 << 2, regmask (SImode, 22));
     emit_move_insn (gen_rtx_REG (SImode, 22), operands[1]);
@@ -480,7 +481,8 @@
                  (any_extend:DI (reg:SI 22))))
    (clobber (reg:HI REG_X))
    (clobber (reg:HI REG_Z))]
-  "avr_have_dimode"
+  "avr_have_dimode
+   && AVR_HAVE_MUL"
   "%~call __<extend_u>mulsidi3"
   [(set_attr "adjust_len" "call")
    (set_attr "cc" "clobber")])