diff options
Diffstat (limited to 'toolchain/gcc/patches/arc-2015.12/900-UPDATE-Fix-handling-complex-PIC-moves.patch')
| -rw-r--r-- | toolchain/gcc/patches/arc-2015.12/900-UPDATE-Fix-handling-complex-PIC-moves.patch | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/toolchain/gcc/patches/arc-2015.12/900-UPDATE-Fix-handling-complex-PIC-moves.patch b/toolchain/gcc/patches/arc-2015.12/900-UPDATE-Fix-handling-complex-PIC-moves.patch deleted file mode 100644 index 48228dcb6..000000000 --- a/toolchain/gcc/patches/arc-2015.12/900-UPDATE-Fix-handling-complex-PIC-moves.patch +++ /dev/null @@ -1,103 +0,0 @@ -From b55922d45fd16f5e8fc7c3885da42b2b9b37754d Mon Sep 17 00:00:00 2001 -From: Claudiu Zissulescu <claziss@synopsys.com> -Date: Mon, 18 Jan 2016 16:43:18 +0100 -Subject: [PATCH] UPDATE: Fix handling complex PIC moves. - -fwprop is putting in the REG_EQUIV notes which are involving the -constant pic unspecs. Then, loop may use those notes for -optimizations rezulting in complex patterns that are not supported by -the current implementation. The following piece of code tries to -convert the complex instruction in simpler ones. - -The fix is done in development tree: [arc-4.8-dev b55922d] -and will be a part of the next release of ARC GNU tools. -Once that new release happens this patch must be removed. - - -gcc/ -2016-01-18 Claudiu Zissulescu <claziss@synopsys.com> - - * config/arc/arc.c (arc_legitimize_pic_address): Handle MINUS - operations when doing PIC moves. Make this function static. - (arc_legitimate_pc_offset_p): Use - arc_raw_symbolic_reference_mentioned_p. - * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove. - - gcc/config/arc/arc-protos.h | 1 - - gcc/config/arc/arc.c | 33 +++++++++++++++++++-------------- - 2 files changed, 19 insertions(+), 15 deletions(-) - - * config/arc/arc.c (arc_legitimize_pic_address): Handle complex -diff --git a/gcc/config/arc/arc-protos.h b/gcc/config/arc/arc-protos.h -index 464e0ab..5986e06 100644 ---- a/gcc/config/arc/arc-protos.h -+++ b/gcc/config/arc/arc-protos.h -@@ -53,7 +53,6 @@ extern unsigned int arc_compute_frame_size (); - extern bool arc_ccfsm_branch_deleted_p (void); - extern void arc_ccfsm_record_branch_deleted (void); - --extern rtx arc_legitimize_pic_address (rtx, rtx); - void arc_asm_output_aligned_decl_local (FILE *, tree, const char *, - unsigned HOST_WIDE_INT, - unsigned HOST_WIDE_INT, -diff --git a/gcc/config/arc/arc.c b/gcc/config/arc/arc.c -index a89c8ee..f7cae9f 100644 ---- a/gcc/config/arc/arc.c -+++ b/gcc/config/arc/arc.c -@@ -5243,19 +5243,7 @@ arc_legitimate_pc_offset_p (rtx addr) - if (GET_CODE (addr) != CONST) - return false; - addr = XEXP (addr, 0); -- if (GET_CODE (addr) == PLUS) -- { -- if (GET_CODE (XEXP (addr, 1)) != CONST_INT) -- return false; -- addr = XEXP (addr, 0); -- } -- return (GET_CODE (addr) == UNSPEC -- && XVECLEN (addr, 0) == 1 -- && (XINT (addr, 1) == ARC_UNSPEC_GOT -- || XINT (addr, 1) == ARC_UNSPEC_GOTOFFPC -- || XINT (addr, 1) == UNSPEC_TLS_GD -- || XINT (addr, 1) == UNSPEC_TLS_IE) -- && GET_CODE (XVECEXP (addr, 0, 0)) == SYMBOL_REF); -+ return flag_pic && !arc_raw_symbolic_reference_mentioned_p (addr, false); - } - - /* Return true if ADDR is a valid pic address. -@@ -5522,7 +5510,7 @@ arc_legitimize_tls_address (rtx addr, enum tls_model model) - The return value is the legitimated address. - If OLDX is non-zero, it is the target to assign the address to first. */ - --rtx -+static rtx - arc_legitimize_pic_address (rtx orig, rtx oldx) - { - rtx addr = orig; -@@ -5569,6 +5557,23 @@ arc_legitimize_pic_address (rtx orig, rtx oldx) - /* Check that the unspec is one of the ones we generate? */ - return orig; - } -+ else if (GET_CODE (addr) == MINUS) -+ { -+ /* The same story with fwprop. */ -+ rtx op0 = XEXP (addr, 0); -+ rtx op1 = XEXP (addr, 1); -+ gcc_assert (oldx); -+ gcc_assert (GET_CODE (op1) == UNSPEC); -+ -+ emit_move_insn (oldx, -+ gen_rtx_CONST (SImode, -+ arc_legitimize_pic_address (op1, -+ NULL_RTX))); -+ emit_insn (gen_rtx_SET (VOIDmode, oldx, -+ gen_rtx_MINUS (SImode, op0, oldx))); -+ return oldx; -+ -+ } - else if (GET_CODE (addr) != PLUS) - { - /* fwprop is putting in the REG_EQUIV notes which are --- -2.5.0 - |