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package/gcc: backport fix for xtensa PR 90922

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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>
This commit is contained in:
Max Filippov 2019-09-23 13:47:03 -07:00 committed by Thomas Petazzoni
parent c82e0092f5
commit 9fd7ad8e71
3 changed files with 129 additions and 0 deletions
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43
package/gcc/7.4.0/1002-xtensa-backport-fix-for-PR-target-90922.patch Normal file
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@ -0,0 +1,43 @@
From a592242578e573778241cae6d3928c064dcdfda4 Mon Sep 17 00:00:00 2001
From: jcmvbkbc <jcmvbkbc@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue, 18 Jun 2019 22:19:12 +0000
Subject: [PATCH] xtensa: fix for PR target/90922
Stack pointer adjustment code in prologue missed a case of no
callee-saved registers and a stack frame size bigger than 128 bytes.
Handle that case.
This fixes the following gcc tests with call0 ABI:
gcc.c-torture/execute/stdarg-2.c
gcc.dg/torture/pr55882.c
gcc.dg/torture/pr57569.c
gcc/
2019-06-18 Max Filippov <jcmvbkbc@gmail.com>
* config/xtensa/xtensa.c (xtensa_expand_prologue): Add stack
pointer adjustment for the case of no callee-saved registers and
stack frame bigger than 128 bytes.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
---
gcc/config/xtensa/xtensa.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/gcc/config/xtensa/xtensa.c b/gcc/config/xtensa/xtensa.c
index 19bd616d67f6..ee5612441e25 100644
--- a/gcc/config/xtensa/xtensa.c
+++ b/gcc/config/xtensa/xtensa.c
@@ -2802,7 +2802,8 @@ xtensa_expand_prologue (void)
gen_rtx_SET (mem, reg));
}
}
- if (total_size > 1024)
+ if (total_size > 1024
+ || (!callee_save_size && total_size > 128))
{
rtx tmp_reg = gen_rtx_REG (Pmode, A9_REG);
emit_move_insn (tmp_reg, GEN_INT (total_size -
--
2.11.0

43
package/gcc/8.3.0/0001-xtensa-backport-fix-for-PR-target-90922.patch Normal file
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@ -0,0 +1,43 @@
From a592242578e573778241cae6d3928c064dcdfda4 Mon Sep 17 00:00:00 2001
From: jcmvbkbc <jcmvbkbc@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue, 18 Jun 2019 22:19:12 +0000
Subject: [PATCH] xtensa: fix for PR target/90922
Stack pointer adjustment code in prologue missed a case of no
callee-saved registers and a stack frame size bigger than 128 bytes.
Handle that case.
This fixes the following gcc tests with call0 ABI:
gcc.c-torture/execute/stdarg-2.c
gcc.dg/torture/pr55882.c
gcc.dg/torture/pr57569.c
gcc/
2019-06-18 Max Filippov <jcmvbkbc@gmail.com>
* config/xtensa/xtensa.c (xtensa_expand_prologue): Add stack
pointer adjustment for the case of no callee-saved registers and
stack frame bigger than 128 bytes.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
---
gcc/config/xtensa/xtensa.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/gcc/config/xtensa/xtensa.c b/gcc/config/xtensa/xtensa.c
index 19bd616d67f6..ee5612441e25 100644
--- a/gcc/config/xtensa/xtensa.c
+++ b/gcc/config/xtensa/xtensa.c
@@ -2862,7 +2862,8 @@ xtensa_expand_prologue (void)
gen_rtx_SET (mem, reg));
}
}
- if (total_size > 1024)
+ if (total_size > 1024
+ || (!callee_save_size && total_size > 128))
{
rtx tmp_reg = gen_rtx_REG (Pmode, A9_REG);
emit_move_insn (tmp_reg, GEN_INT (total_size -
--
2.11.0

43
package/gcc/9.2.0/0001-xtensa-backport-fix-for-PR-target-90922.patch Normal file
View File

@ -0,0 +1,43 @@
From a592242578e573778241cae6d3928c064dcdfda4 Mon Sep 17 00:00:00 2001
From: jcmvbkbc <jcmvbkbc@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue, 18 Jun 2019 22:19:12 +0000
Subject: [PATCH] xtensa: fix for PR target/90922
Stack pointer adjustment code in prologue missed a case of no
callee-saved registers and a stack frame size bigger than 128 bytes.
Handle that case.
This fixes the following gcc tests with call0 ABI:
gcc.c-torture/execute/stdarg-2.c
gcc.dg/torture/pr55882.c
gcc.dg/torture/pr57569.c
gcc/
2019-06-18 Max Filippov <jcmvbkbc@gmail.com>
* config/xtensa/xtensa.c (xtensa_expand_prologue): Add stack
pointer adjustment for the case of no callee-saved registers and
stack frame bigger than 128 bytes.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
---
gcc/config/xtensa/xtensa.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/gcc/config/xtensa/xtensa.c b/gcc/config/xtensa/xtensa.c
index 19bd616d67f6..ee5612441e25 100644
--- a/gcc/config/xtensa/xtensa.c
+++ b/gcc/config/xtensa/xtensa.c
@@ -2865,7 +2865,8 @@ xtensa_expand_prologue (void)
gen_rtx_SET (mem, reg));
}
}
- if (total_size > 1024)
+ if (total_size > 1024
+ || (!callee_save_size && total_size > 128))
{
rtx tmp_reg = gen_rtx_REG (Pmode, A9_REG);
emit_move_insn (tmp_reg, GEN_INT (total_size -
--
2.11.0