From: Jeff Law <law@redhat.com>
Date: Thu, 13 Apr 2017 14:02:33 +0000 (-0600)
Subject: reload1.c (eliminate_regs_1): Call gen_rtx_raw_SUBREG for SUBREGs appearing in DEBUG_... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3535a0fb6f43d4d985f3bbf9699bc3eea4fb64b0;p=gcc.git

reload1.c (eliminate_regs_1): Call gen_rtx_raw_SUBREG for SUBREGs appearing in DEBUG_INSNs.

	* reload1.c (eliminate_regs_1): Call gen_rtx_raw_SUBREG for SUBREGs
	appearing in DEBUG_INSNs.

From-SVN: r246904
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 740ca666456..caec4409c33 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2017-04-13  Jeff Law  <law@redhat.com>
+
+	* reload1.c (eliminate_regs_1): Call gen_rtx_raw_SUBREG for SUBREGs
+	appearing in DEBUG_INSNs.
+
 2017-04-13  Martin Liska  <mliska@suse.cz>
 
 	PR gcov-profile/80413
diff --git a/gcc/reload1.c b/gcc/reload1.c
index c1ce7caeca9..4dc118ef9f3 100644
--- a/gcc/reload1.c
+++ b/gcc/reload1.c
@@ -2831,6 +2831,8 @@ eliminate_regs_1 (rtx x, machine_mode mem_mode, rtx insn,
 		  || x_size == new_size)
 	      )
 	    return adjust_address_nv (new_rtx, GET_MODE (x), SUBREG_BYTE (x));
+	  else if (insn && GET_CODE (insn) == DEBUG_INSN)
+	    return gen_rtx_raw_SUBREG (GET_MODE (x), new_rtx, SUBREG_BYTE (x));
 	  else
 	    return gen_rtx_SUBREG (GET_MODE (x), new_rtx, SUBREG_BYTE (x));
 	}