kumquat-buildroot/package/gcc/9.1.0/0002-ARC-Fix-emitting-TLS-symbols.patch

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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>
2019-07-16 23:50:01 +02:00
From d17cd0f88ed986be4046b2eb70240dc95b2958cd Mon Sep 17 00:00:00 2001
From: Claudiu Zissulescu <claziss@synopsys.com>
Date: Wed, 26 Jun 2019 17:53:51 +0300
Subject: [PATCH 2/2] [ARC] Fix emitting TLS symbols.
When storing a TLS symbol to memory, always use an intermediate register
to load it. Otherwise compiler generates 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 this patch is not yet submitted to the GCC's master and gcc-9-branch but
will be submitted soon. That said with bump of GCC this patch won't be
needed any longer.
Signed-off-by: Claudiu Zissulescu <claziss@synopsys.com>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
---
gcc/config/arc/arc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/gcc/config/arc/arc.c b/gcc/config/arc/arc.c
index daacc79d0cb..ee1f70bbb51 100644
--- a/gcc/config/arc/arc.c
+++ b/gcc/config/arc/arc.c
@@ -8951,7 +8951,7 @@ prepare_move_operands (rtx *operands, machine_mode mode)
if (GET_CODE (operands[1]) == SYMBOL_REF)
{
enum tls_model model = SYMBOL_REF_TLS_MODEL (operands[1]);
- if (MEM_P (operands[0]) && flag_pic)
+ if (MEM_P (operands[0]))
operands[1] = force_reg (mode, operands[1]);
else if (model)
operands[1] = arc_legitimize_tls_address (operands[1], model);
--
2.16.2