From 886cbb88812fc1989ec64efb02f2088852a9408c Mon Sep 17 00:00:00 2001
From: Jan Hubicka <jh@suse.cz>
Date: Fri, 30 Mar 2001 17:43:44 +0200
Subject: [PATCH] i386.c (ix86_split_long_move): Use change address to
compensate stack pointer change in push instruction.
* i386.c (ix86_split_long_move): Use change address to compensate
stack pointer change in push instruction.
From-SVN: r40968
---
gcc/ChangeLog | 5 +++++
gcc/config/i386/i386.c | 8 ++++++--
2 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6696baf7173d..533b520f7634 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (ix86_split_long_move): Use change address to compensate
+ stack pointer change in push instruction.
+
Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
* i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 5dc9fa9821f4..9d63c5ed23ca 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -6917,8 +6917,10 @@ ix86_split_long_move (operands)
&& reg_overlap_mentioned_p (stack_pointer_rtx, operands[1]))
{
if (nparts == 3)
- part[1][1] = part[1][2];
- part[1][0] = part[1][1];
+ part[1][1] = change_address (part[1][1], GET_MODE (part[1][1]),
+ XEXP (part[1][2], 0));
+ part[1][0] = change_address (part[1][0], GET_MODE (part[1][0]),
+ XEXP (part[1][1], 0));
}
/* We need to do copy in the right order in case an address register
@@ -6990,6 +6992,8 @@ ix86_split_long_move (operands)
part[1][1] = gen_rtx_REG (DImode, REGNO (part[1][1]));
else
abort();
+ if (GET_MODE (part[1][0]) == SImode)
+ part[1][0] = part[1][1];
}
}
emit_move_insn (part[0][1], part[1][1]);
--
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