nvptx.md (allocate_stack): Emit sorry during expansion.
* config/nvptx/nvptx.md (allocate_stack): Emit sorry during expansion. * config/nvptx/nvptx.c (nvptx_declare_function_name): Look at crtl->stack_alignment_needed to determine alignment. (nvptx_get_drap_rtx): New. (TARGET_GET_DRAP_RTX): Override. * config/nvptx/nvptx.h (MAX_STACK_ALIGNMENT): Set. From-SVN: r227084
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parent
7717e0f19e
commit
18c05628a6
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@ -1,3 +1,13 @@
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2015-08-21 Nathan Sidwell <nathan@acm.org>
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* config/nvptx/nvptx.md (allocate_stack): Emit sorry during
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expansion.
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* config/nvptx/nvptx.c (nvptx_declare_function_name): Look at
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crtl->stack_alignment_needed to determine alignment.
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(nvptx_get_drap_rtx): New.
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(TARGET_GET_DRAP_RTX): Override.
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* config/nvptx/nvptx.h (MAX_STACK_ALIGNMENT): Set.
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2015-08-21 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
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* config.build: Remove case for m68000-hp-hpux* | m68k-hp-hpux*.
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@ -598,9 +598,11 @@ nvptx_declare_function_name (FILE *file, const char *name, const_tree decl)
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sz = get_frame_size ();
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if (sz > 0 || cfun->machine->has_call_with_sc)
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{
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int alignment = crtl->stack_alignment_needed / BITS_PER_UNIT;
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fprintf (file, "\t.reg.u%d %%frame;\n"
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"\t.local.align 8 .b8 %%farray[" HOST_WIDE_INT_PRINT_DEC"];\n",
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BITS_PER_WORD, sz == 0 ? 1 : sz);
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"\t.local.align %d .b8 %%farray[" HOST_WIDE_INT_PRINT_DEC"];\n",
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BITS_PER_WORD, alignment, sz == 0 ? 1 : sz);
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fprintf (file, "\tcvta.local.u%d %%frame, %%farray;\n",
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BITS_PER_WORD);
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}
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@ -726,6 +728,14 @@ nvptx_function_ok_for_sibcall (tree, tree)
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return false;
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}
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/* Return Dynamic ReAlignment Pointer RTX. For PTX there isn't any. */
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static rtx
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nvptx_get_drap_rtx (void)
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{
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return NULL_RTX;
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}
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/* Implement the TARGET_CALL_ARGS hook. Record information about one
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argument to the next call. */
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@ -2118,6 +2128,8 @@ nvptx_file_end (void)
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#define TARGET_LIBCALL_VALUE nvptx_libcall_value
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#undef TARGET_FUNCTION_OK_FOR_SIBCALL
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#define TARGET_FUNCTION_OK_FOR_SIBCALL nvptx_function_ok_for_sibcall
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#undef TARGET_GET_DRAP_RTX
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#define TARGET_GET_DRAP_RTX nvptx_get_drap_rtx
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#undef TARGET_SPLIT_COMPLEX_ARG
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#define TARGET_SPLIT_COMPLEX_ARG hook_bool_const_tree_true
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#undef TARGET_RETURN_IN_MEMORY
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@ -52,6 +52,8 @@
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#define BIGGEST_ALIGNMENT 64
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#define STRICT_ALIGNMENT 1
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#define MAX_STACK_ALIGNMENT (1024 * 8)
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/* Copied from elf.h and other places. We'd otherwise use
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BIGGEST_ALIGNMENT and fail a number of testcases. */
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#define MAX_OFILE_ALIGNMENT (32768 * 8)
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@ -1241,6 +1241,12 @@
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(match_operand 1 "nvptx_register_operand")]
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""
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{
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/* The ptx documentation specifies an alloca intrinsic (for 32 bit
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only) but notes it is not implemented. The assembler emits a
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confused error message. Issue a blunt one now instead. */
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sorry ("target cannot support alloca.");
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emit_insn (gen_nop ());
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DONE;
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if (TARGET_ABI64)
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emit_insn (gen_allocate_stack_di (operands[0], operands[1]));
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else
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