9fd7ad8e71
Stack pointer adjustment code in xtensa call0 ABI prologue missed a case of no callee-saved registers and a stack frame size bigger than 128 bytes. Handle that case. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
44 lines
1.3 KiB
Diff
44 lines
1.3 KiB
Diff
From a592242578e573778241cae6d3928c064dcdfda4 Mon Sep 17 00:00:00 2001
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From: jcmvbkbc <jcmvbkbc@138bc75d-0d04-0410-961f-82ee72b054a4>
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Date: Tue, 18 Jun 2019 22:19:12 +0000
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Subject: [PATCH] xtensa: fix for PR target/90922
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Stack pointer adjustment code in prologue missed a case of no
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callee-saved registers and a stack frame size bigger than 128 bytes.
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Handle that case.
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This fixes the following gcc tests with call0 ABI:
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gcc.c-torture/execute/stdarg-2.c
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gcc.dg/torture/pr55882.c
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gcc.dg/torture/pr57569.c
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gcc/
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2019-06-18 Max Filippov <jcmvbkbc@gmail.com>
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* config/xtensa/xtensa.c (xtensa_expand_prologue): Add stack
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pointer adjustment for the case of no callee-saved registers and
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stack frame bigger than 128 bytes.
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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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---
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gcc/config/xtensa/xtensa.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/gcc/config/xtensa/xtensa.c b/gcc/config/xtensa/xtensa.c
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index 19bd616d67f6..ee5612441e25 100644
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--- a/gcc/config/xtensa/xtensa.c
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+++ b/gcc/config/xtensa/xtensa.c
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@@ -2802,7 +2802,8 @@ xtensa_expand_prologue (void)
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gen_rtx_SET (mem, reg));
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}
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}
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- if (total_size > 1024)
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+ if (total_size > 1024
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+ || (!callee_save_size && total_size > 128))
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{
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rtx tmp_reg = gen_rtx_REG (Pmode, A9_REG);
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emit_move_insn (tmp_reg, GEN_INT (total_size -
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--
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2.11.0
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