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package/gcc/{arc-2019.03,9.1}.0: fix compilation of glibc
When storing a TLS symbol to memory, always use an intermediate
register to load it. Otherwise the compiler generates an instruction
which couldn't be encoded and we see:
----------------------------->8---------------------------
In file included from gethstent_r.c:34:
../nss/getXXent_r.c: In function '__gethostent_r':
../nss/getXXent_r.c:168:1: error: unrecognizable insn:
}
^
(insn 25 24 26 5 (set (mem:SI (plus:SI (reg/f:SI 149 virtual-outgoing-args)
(const_int 16 [0x10])) [0 S4 A32])
(plus:SI (reg:SI 25 r25)
(reg:SI 174))) "../nss/getXXent_r.c":160 -1
(nil))
during RTL pass: vregs
../nss/getXXent_r.c:168:1: internal compiler error: in extract_insn, at recog.c:2304
In file included from getnetent_r.c:34:
../nss/getXXent_r.c: In function '__getnetent_r':
../nss/getXXent_r.c:168:1: error: unrecognizable insn:
}
^
(insn 25 24 26 5 (set (mem:SI (plus:SI (reg/f:SI 149 virtual-outgoing-args)
(const_int 16 [0x10])) [0 S4 A32])
(plus:SI (reg:SI 25 r25)
(reg:SI 174))) "../nss/getXXent_r.c":160 -1
(nil))
during RTL pass: vregs
../nss/getXXent_r.c:168:1: internal compiler error: in extract_insn, at recog.c:2304
----------------------------->8---------------------------
Note that this patch is not yet submitted to the GCC's master and
gcc-9-branch but will be submitted soon. That said with th bump of GCC
for ARC this patch will no longer be needed.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Cc: Arnout Vandecappelle <arnout@mind.be>
Cc: Evgeniy Didin <didin@synopsys.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Alexey Brodkin
Thomas Petazzoni
parent
69bb37d577
commit
3173b9df77
61
package/gcc/9.1.0/0002-ARC-Fix-emitting-TLS-symbols.patch
Normal file
61
package/gcc/9.1.0/0002-ARC-Fix-emitting-TLS-symbols.patch
Normal file
@ -0,0 +1,61 @@
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From d17cd0f88ed986be4046b2eb70240dc95b2958cd Mon Sep 17 00:00:00 2001
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From: Claudiu Zissulescu <claziss@synopsys.com>
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Date: Wed, 26 Jun 2019 17:53:51 +0300
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Subject: [PATCH 2/2] [ARC] Fix emitting TLS symbols.
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When storing a TLS symbol to memory, always use an intermediate register
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to load it. Otherwise compiler generates instruction which couldn't be
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encoded and we see:
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----------------------------->8---------------------------
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In file included from gethstent_r.c:34:
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../nss/getXXent_r.c: In function '__gethostent_r':
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../nss/getXXent_r.c:168:1: error: unrecognizable insn:
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}
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^
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(insn 25 24 26 5 (set (mem:SI (plus:SI (reg/f:SI 149 virtual-outgoing-args)
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(const_int 16 [0x10])) [0 S4 A32])
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(plus:SI (reg:SI 25 r25)
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(reg:SI 174))) "../nss/getXXent_r.c":160 -1
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(nil))
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during RTL pass: vregs
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../nss/getXXent_r.c:168:1: internal compiler error: in extract_insn, at recog.c:2304
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In file included from getnetent_r.c:34:
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../nss/getXXent_r.c: In function '__getnetent_r':
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../nss/getXXent_r.c:168:1: error: unrecognizable insn:
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}
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^
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(insn 25 24 26 5 (set (mem:SI (plus:SI (reg/f:SI 149 virtual-outgoing-args)
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(const_int 16 [0x10])) [0 S4 A32])
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(plus:SI (reg:SI 25 r25)
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(reg:SI 174))) "../nss/getXXent_r.c":160 -1
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(nil))
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during RTL pass: vregs
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../nss/getXXent_r.c:168:1: internal compiler error: in extract_insn, at recog.c:2304
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----------------------------->8---------------------------
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Note this patch is not yet submitted to the GCC's master and gcc-9-branch but
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will be submitted soon. That said with bump of GCC this patch won't be
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needed any longer.
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Signed-off-by: Claudiu Zissulescu <claziss@synopsys.com>
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Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
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---
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gcc/config/arc/arc.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/gcc/config/arc/arc.c b/gcc/config/arc/arc.c
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index daacc79d0cb..ee1f70bbb51 100644
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--- a/gcc/config/arc/arc.c
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+++ b/gcc/config/arc/arc.c
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@@ -8951,7 +8951,7 @@ prepare_move_operands (rtx *operands, machine_mode mode)
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if (GET_CODE (operands[1]) == SYMBOL_REF)
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{
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enum tls_model model = SYMBOL_REF_TLS_MODEL (operands[1]);
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- if (MEM_P (operands[0]) && flag_pic)
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+ if (MEM_P (operands[0]))
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operands[1] = force_reg (mode, operands[1]);
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else if (model)
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operands[1] = arc_legitimize_tls_address (operands[1], model);
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--
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2.16.2
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@ -0,0 +1,61 @@
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From a971faaf8fb48acbf48ca800634fc78a27581517 Mon Sep 17 00:00:00 2001
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From: Claudiu Zissulescu <claziss@synopsys.com>
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Date: Wed, 26 Jun 2019 17:53:51 +0300
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Subject: [PATCH] [ARC] Fix emitting TLS symbols.
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When storing a TLS symbol to memory, always use an intermediate register
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to load it. Otherwise compiler generates instruction which couldn't be
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encoded and we see:
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----------------------------->8---------------------------
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In file included from gethstent_r.c:34:
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../nss/getXXent_r.c: In function '__gethostent_r':
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../nss/getXXent_r.c:168:1: error: unrecognizable insn:
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}
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^
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(insn 25 24 26 5 (set (mem:SI (plus:SI (reg/f:SI 149 virtual-outgoing-args)
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(const_int 16 [0x10])) [0 S4 A32])
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(plus:SI (reg:SI 25 r25)
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(reg:SI 174))) "../nss/getXXent_r.c":160 -1
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(nil))
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during RTL pass: vregs
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../nss/getXXent_r.c:168:1: internal compiler error: in extract_insn, at recog.c:2304
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In file included from getnetent_r.c:34:
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../nss/getXXent_r.c: In function '__getnetent_r':
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../nss/getXXent_r.c:168:1: error: unrecognizable insn:
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}
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^
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(insn 25 24 26 5 (set (mem:SI (plus:SI (reg/f:SI 149 virtual-outgoing-args)
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(const_int 16 [0x10])) [0 S4 A32])
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(plus:SI (reg:SI 25 r25)
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(reg:SI 174))) "../nss/getXXent_r.c":160 -1
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(nil))
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during RTL pass: vregs
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../nss/getXXent_r.c:168:1: internal compiler error: in extract_insn, at recog.c:2304
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----------------------------->8---------------------------
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Note this patch is not yet submitted to the GCC's master and gcc-9-branch but
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will be submitted soon. That said with bump of GCC for ARC this patch won't be
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needed any longer.
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Signed-off-by: Claudiu Zissulescu <claziss@synopsys.com>
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Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
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---
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gcc/config/arc/arc.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/gcc/config/arc/arc.c b/gcc/config/arc/arc.c
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index 8b544efaa11..989bec703df 100644
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--- a/gcc/config/arc/arc.c
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+++ b/gcc/config/arc/arc.c
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@@ -9068,7 +9068,7 @@ prepare_move_operands (rtx *operands, machine_mode mode)
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if (GET_CODE (operands[1]) == SYMBOL_REF)
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{
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enum tls_model model = SYMBOL_REF_TLS_MODEL (operands[1]);
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- if (MEM_P (operands[0]) && flag_pic)
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+ if (MEM_P (operands[0]))
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operands[1] = force_reg (mode, operands[1]);
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else if (model)
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operands[1] = arc_legitimize_tls_address (operands[1], model);
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--
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2.16.2
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