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86c2982568
This refreshes the line numbers, removes any fuzz (which would make any future forward ports easier) and standardizes the patch/file headers (which makes them easier to read). Signed-off-by: Alexey Neyman <stilor@att.net>
53 lines
1.9 KiB
Diff
53 lines
1.9 KiB
Diff
Internal compiler error and multilib fixes
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Reported upstream:
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57295
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Fix c6x mulitibs build for uclinux
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Reported by: Dan Tejada <dan.tejada@cantada.com>
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---
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gcc/config/c6x/c6x.md | 2 +-
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gcc/config/c6x/predicates.md | 13 +++++++++++++
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gcc/config/c6x/t-c6x-uclinux | 4 +++-
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3 files changed, 17 insertions(+), 2 deletions(-)
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--- a/gcc/config/c6x/c6x.md
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+++ b/gcc/config/c6x/c6x.md
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@@ -775,7 +775,7 @@
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UNSPEC_MISALIGNED_ACCESS))]
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"TARGET_INSNS_64"
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{
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- if (memory_operand (operands[0], <MODE>mode))
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+ if (memory_operand (operands[0], <MODE>mode) || volatile_mem_operand (operands[0], <MODE>mode))
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{
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emit_insn (gen_movmisalign<mode>_store (operands[0], operands[1]));
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DONE;
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--- a/gcc/config/c6x/predicates.md
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+++ b/gcc/config/c6x/predicates.md
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@@ -224,3 +224,16 @@
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gcc_unreachable ();
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}
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})
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+
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+;; Return 1 if the operand is in volatile memory. Note that during the
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+;; RTL generation phase, memory_operand does not return TRUE for volatile
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+;; memory references. So this function allows us to recognize volatile
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+;; references where it's safe.
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+(define_predicate "volatile_mem_operand"
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+ (and (and (match_code "mem")
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+ (match_test "MEM_VOLATILE_P (op)"))
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+ (if_then_else (match_test "reload_completed")
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+ (match_operand 0 "memory_operand")
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+ (if_then_else (match_test "reload_in_progress")
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+ (match_test "strict_memory_address_p (mode, XEXP (op, 0))")
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+ (match_test "memory_address_p (mode, XEXP (op, 0))")))))
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--- a/gcc/config/c6x/t-c6x-uclinux
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+++ b/gcc/config/c6x/t-c6x-uclinux
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@@ -1,3 +1,5 @@
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+MULTILIB_OPTIONS = march=c674x mbig-endian
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+
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MULTILIB_OSDIRNAMES = march.c674x=!c674x
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MULTILIB_OSDIRNAMES += mbig-endian=!be
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-MULTILIB_OSDIRNAMES += mbig-endian/march.c674x=!be/c674x
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+MULTILIB_OSDIRNAMES += march.c674x/mbig-endian=!be/c674x
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