From: Richard Sandiford <richard.sandiford@arm.com>
Date: Fri, 7 Jun 2019 07:40:20 +0000 (+0000)
Subject: Fix fwprop call to call to paradoxical_subreg_p
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6c202d9dc65833e04e35f566c645fde8278c1a24;p=gcc.git

Fix fwprop call to call to paradoxical_subreg_p

"mode" is the mode of "x", not the replacement value.

2019-06-06  Richard Sandiford  <richard.sandiford@arm.com>

gcc/
	* fwprop.c (propagate_rtx): Fix call to paradoxical_subreg_p.

From-SVN: r272032
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index cbbdbc20a6c..add02bbb990 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2019-06-07  Richard Sandiford  <richard.sandiford@arm.com>
+
+	* fwprop.c (propagate_rtx): Fix call to paradoxical_subreg_p.
+
 2019-06-07  Martin Liska  <mliska@suse.cz>
 
 	* doc/invoke.texi: Remove param.
diff --git a/gcc/fwprop.c b/gcc/fwprop.c
index cf2c9de2d35..45703fe5f01 100644
--- a/gcc/fwprop.c
+++ b/gcc/fwprop.c
@@ -680,7 +680,7 @@ propagate_rtx (rtx x, machine_mode mode, rtx old_rtx, rtx new_rtx,
       || CONSTANT_P (new_rtx)
       || (GET_CODE (new_rtx) == SUBREG
 	  && REG_P (SUBREG_REG (new_rtx))
-	  && !paradoxical_subreg_p (mode, GET_MODE (SUBREG_REG (new_rtx)))))
+	  && !paradoxical_subreg_p (new_rtx)))
     flags |= PR_CAN_APPEAR;
   if (!varying_mem_p (new_rtx))
     flags |= PR_HANDLE_MEM;