diff options
Diffstat (limited to 'recipes-microblaze/gcc/files/0462b5f-2014-02-23-David-Holsgrove-david.holsgrove.patch')
| -rw-r--r-- | recipes-microblaze/gcc/files/0462b5f-2014-02-23-David-Holsgrove-david.holsgrove.patch | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/recipes-microblaze/gcc/files/0462b5f-2014-02-23-David-Holsgrove-david.holsgrove.patch b/recipes-microblaze/gcc/files/0462b5f-2014-02-23-David-Holsgrove-david.holsgrove.patch new file mode 100644 index 00000000..efd127de --- /dev/null +++ b/recipes-microblaze/gcc/files/0462b5f-2014-02-23-David-Holsgrove-david.holsgrove.patch @@ -0,0 +1,108 @@ +From 0462b5fb1e91183c16e204e1a6cf436ef0d8d0f8 Mon Sep 17 00:00:00 2001 +From: eager <eager@138bc75d-0d04-0410-961f-82ee72b054a4> +Date: Sun, 23 Feb 2014 18:44:27 +0000 +Subject: [PATCH] 2014-02-23 David Holsgrove <david.holsgrove@xilinx.com> + + * /config/microblaze/microblaze.c: Add microblaze_asm_output_mi_thunk + and define TARGET_ASM_OUTPUT_MI_THUNK and + TARGET_ASM_CAN_OUTPUT_MI_THUNK. + +Upstream-Status: Backport +--- + gcc/config/microblaze/microblaze.c | 73 ++++++++++++++++++++++++++++++++++++++ + 2 files changed, 79 insertions(+) + +diff --git a/gcc/config/microblaze/microblaze.c b/gcc/config/microblaze/microblaze.c +index 985d26a..ba8109b 100644 +--- a/gcc/config/microblaze/microblaze.c ++++ b/gcc/config/microblaze/microblaze.c +@@ -3087,6 +3087,73 @@ expand_pic_symbol_ref (enum machine_mode mode ATTRIBUTE_UNUSED, rtx op) + return result; + } + ++static void ++microblaze_asm_output_mi_thunk (FILE *file, tree thunk_fndecl ATTRIBUTE_UNUSED, ++ HOST_WIDE_INT delta, HOST_WIDE_INT vcall_offset, ++ tree function) ++{ ++ rtx this_rtx, insn, funexp; ++ ++ reload_completed = 1; ++ epilogue_completed = 1; ++ ++ /* Mark the end of the (empty) prologue. */ ++ emit_note (NOTE_INSN_PROLOGUE_END); ++ ++ /* Find the "this" pointer. If the function returns a structure, ++ the structure return pointer is in MB_ABI_FIRST_ARG_REGNUM. */ ++ if (aggregate_value_p (TREE_TYPE (TREE_TYPE (function)), function)) ++ this_rtx = gen_rtx_REG (Pmode, (MB_ABI_FIRST_ARG_REGNUM + 1)); ++ else ++ this_rtx = gen_rtx_REG (Pmode, MB_ABI_FIRST_ARG_REGNUM); ++ ++ /* Apply the constant offset, if required. */ ++ if (delta) ++ emit_insn (gen_addsi3 (this_rtx, this_rtx, GEN_INT (delta))); ++ ++ /* Apply the offset from the vtable, if required. */ ++ if (vcall_offset) ++ { ++ rtx vcall_offset_rtx = GEN_INT (vcall_offset); ++ rtx temp1 = gen_rtx_REG (Pmode, MB_ABI_TEMP1_REGNUM); ++ ++ emit_move_insn (temp1, gen_rtx_MEM (Pmode, this_rtx)); ++ ++ rtx loc = gen_rtx_PLUS (Pmode, temp1, vcall_offset_rtx); ++ emit_move_insn (temp1, gen_rtx_MEM (Pmode, loc)); ++ ++ emit_insn (gen_addsi3 (this_rtx, this_rtx, temp1)); ++ } ++ ++ /* Generate a tail call to the target function. */ ++ if (!TREE_USED (function)) ++ { ++ assemble_external (function); ++ TREE_USED (function) = 1; ++ } ++ ++ funexp = XEXP (DECL_RTL (function), 0); ++ rtx temp2 = gen_rtx_REG (Pmode, MB_ABI_TEMP2_REGNUM); ++ ++ if (flag_pic) ++ emit_move_insn (temp2, expand_pic_symbol_ref (Pmode, funexp)); ++ else ++ emit_move_insn (temp2, funexp); ++ ++ emit_insn (gen_indirect_jump (temp2)); ++ ++ /* Run just enough of rest_of_compilation. This sequence was ++ "borrowed" from rs6000.c. */ ++ insn = get_insns (); ++ shorten_branches (insn); ++ final_start_function (insn, file, 1); ++ final (insn, file, 1); ++ final_end_function (); ++ ++ reload_completed = 0; ++ epilogue_completed = 0; ++} ++ + bool + microblaze_expand_move (enum machine_mode mode, rtx operands[]) + { +@@ -3504,6 +3571,12 @@ microblaze_legitimate_constant_p (enum machine_mode mode ATTRIBUTE_UNUSED, rtx x + #undef TARGET_SECONDARY_RELOAD + #define TARGET_SECONDARY_RELOAD microblaze_secondary_reload + ++#undef TARGET_ASM_OUTPUT_MI_THUNK ++#define TARGET_ASM_OUTPUT_MI_THUNK microblaze_asm_output_mi_thunk ++ ++#undef TARGET_ASM_CAN_OUTPUT_MI_THUNK ++#define TARGET_ASM_CAN_OUTPUT_MI_THUNK hook_bool_const_tree_hwi_hwi_const_tree_true ++ + #undef TARGET_SCHED_ADJUST_COST + #define TARGET_SCHED_ADJUST_COST microblaze_adjust_cost + +-- +1.9.0 + |