From: Richard Kenner <kenner@gcc.gnu.org>
Date: Tue, 11 Jul 1995 00:03:06 +0000 (-0400)
Subject: (matcher for (shiftable_op (cond-exp) (reg))): If shiftable_op is
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f07064d38b93bdd383feb78f4c226d9023453ff2;p=gcc.git

(matcher for (shiftable_op (cond-exp) (reg))): If shiftable_op is
minus, then subtract from zero when cond fails.

From-SVN: r10115
---

diff --git a/gcc/config/arm/arm.md b/gcc/config/arm/arm.md
index db8a3579857..2ccc61ea338 100644
--- a/gcc/config/arm/arm.md
+++ b/gcc/config/arm/arm.md
@@ -4114,6 +4114,8 @@
   output_asm_insn (\"cmp\\t%2, %3\", operands);
   if (GET_CODE (operands[5]) == AND)
     output_asm_insn (\"mov%D4\\t%0, #0\", operands);
+  else if (GET_CODE (operands[5]) == MINUS)
+    output_asm_insn (\"rsb%D4\\t%0, %1, #0\", operands);
   else if (which_alternative != 0)
     output_asm_insn (\"mov%D4\\t%0, %1\", operands);
   return \"%i5%d4\\t%0, %1, #1\";