+2015-10-07 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/66697
+ * config/i386/i386.c (ix86_option_override_internal): Always use
+ 8-byte minimum stack boundary in 64-bit mode.
+ (ix86_compute_frame_layout): Remove assert on INCOMING_STACK_BOUNDARY.
+ (ix86_emit_save_reg_using_mov): Support unaligned SSE store.
+ Add a REG_CFA_EXPRESSION note if needed.
+ (ix86_emit_restore_sse_regs_using_mov): Support unaligned SSE load.
+ (ix86_handle_force_align_arg_pointer_attribute): New.
+ (ix86_minimum_incoming_stack_boundary): Remove TARGET_64BIT check.
+ (ix86_attribute_table): Set ix86_force_align_arg_pointer_string
+ with ix86_handle_force_align_arg_pointer_attribute.
+ * config/i386/i386.h (MIN_STACK_BOUNDARY): Set to BITS_PER_WORD.
+
2015-10-07 Aditya Kumar <aditya.k7@samsung.com>
Sebastian Pop <s.pop@samsung.com>
* graphite-sese-to-poly.c (build_loop_iteration_domains): Only loops
which are in this region are passed so gcc_assert and remove redundant
computation.
- * sese.c (sese_build_liveouts): Pass only those bbs which are not in region.
+ * sese.c (sese_build_liveouts): Pass only those bbs which are not
+ in region.
(sese_bad_liveouts_use): Only BBs which are not in region are passed so
gcc_assert on that and remove unnecessary computation.
(sese_build_liveouts_use): Same.
2015-10-05 Aditya Kumar <aditya.k7@samsung.com>
Sebastian Pop <s.pop@samsung.com>
- * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Increase to 7.
+ * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Increase to 7.
2015-10-05 Aditya Kumar <aditya.k7@samsung.com>
Sebastian Pop <s.pop@samsung.com>
* graphite-poly.c (new_poly_bb): Same.
* graphite-poly.h (gbb_from_bb): Same.
* sese.h: Same.
- * graphite-sese-to-poly.c (new_gimple_bb): gimple_bb_p -> gimple_poly_bb_p
+ * graphite-sese-to-poly.c (new_gimple_bb):
+ gimple_bb_p -> gimple_poly_bb_p
(build_scop_scattering): Same.
(find_params_in_bb): Same.
(add_conditions_to_domain): Same.
ix86_incoming_stack_boundary = ix86_default_incoming_stack_boundary;
if (opts_set->x_ix86_incoming_stack_boundary_arg)
{
- int min = (TARGET_64BIT_P (opts->x_ix86_isa_flags)
- ? (TARGET_SSE_P (opts->x_ix86_isa_flags) ? 4 : 3) : 2);
+ int min = TARGET_64BIT_P (opts->x_ix86_isa_flags) ? 3 : 2;
if (opts->x_ix86_incoming_stack_boundary_arg < min
|| opts->x_ix86_incoming_stack_boundary_arg > 12)
/* The only ABI that has saved SSE registers (Win64) also has a
16-byte aligned default stack, and thus we don't need to be
within the re-aligned local stack frame to save them. */
- gcc_assert (INCOMING_STACK_BOUNDARY >= 128);
offset = ROUND_UP (offset, 16);
offset += frame->nsseregs * 16;
}
struct machine_function *m = cfun->machine;
rtx reg = gen_rtx_REG (mode, regno);
rtx mem, addr, base, insn;
+ unsigned int align;
addr = choose_baseaddr (cfa_offset);
mem = gen_frame_mem (mode, addr);
- /* For SSE saves, we need to indicate the 128-bit alignment. */
- set_mem_align (mem, GET_MODE_ALIGNMENT (mode));
+ /* The location is aligned up to INCOMING_STACK_BOUNDARY. */
+ align = MIN (GET_MODE_ALIGNMENT (mode), INCOMING_STACK_BOUNDARY);
+ set_mem_align (mem, align);
+
+ /* SSE saves are not within re-aligned local stack frame.
+ In case INCOMING_STACK_BOUNDARY is misaligned, we have
+ to emit unaligned store. */
+ if (mode == V4SFmode && align < 128)
+ {
+ rtx unspec = gen_rtx_UNSPEC (mode, gen_rtvec (1, reg), UNSPEC_STOREU);
+ insn = emit_insn (gen_rtx_SET (mem, unspec));
+ }
+ else
+ insn = emit_insn (gen_rtx_SET (mem, reg));
- insn = emit_move_insn (mem, reg);
RTX_FRAME_RELATED_P (insn) = 1;
base = addr;
mem = gen_rtx_MEM (mode, addr);
add_reg_note (insn, REG_CFA_OFFSET, gen_rtx_SET (mem, reg));
}
+ else
+ add_reg_note (insn, REG_CFA_EXPRESSION, gen_rtx_SET (mem, reg));
}
/* Emit code to save registers using MOV insns.
}
}
+/* Handle a "force_align_arg_pointer" attribute. */
+
+static tree
+ix86_handle_force_align_arg_pointer_attribute (tree *node, tree name,
+ tree, int, bool *no_add_attrs)
+{
+ if (TREE_CODE (*node) != FUNCTION_TYPE
+ && TREE_CODE (*node) != METHOD_TYPE
+ && TREE_CODE (*node) != FIELD_DECL
+ && TREE_CODE (*node) != TYPE_DECL)
+ {
+ warning (OPT_Wattributes, "%qE attribute only applies to functions",
+ name);
+ *no_add_attrs = true;
+ }
+
+ return NULL_TREE;
+}
+
/* Return minimum incoming stack alignment. */
static unsigned int
if -mstackrealign is used, it isn't used for sibcall check and
estimated stack alignment is 128bit. */
else if (!sibcall
- && !TARGET_64BIT
&& ix86_force_align_arg_pointer
&& crtl->stack_alignment_estimated == 128)
incoming_stack_boundary = MIN_STACK_BOUNDARY;
{
rtx reg = gen_rtx_REG (V4SFmode, regno);
rtx mem;
+ unsigned int align;
mem = choose_baseaddr (cfa_offset);
mem = gen_rtx_MEM (V4SFmode, mem);
- set_mem_align (mem, 128);
- emit_move_insn (reg, mem);
+
+ /* The location is aligned up to INCOMING_STACK_BOUNDARY. */
+ align = MIN (GET_MODE_ALIGNMENT (V4SFmode), INCOMING_STACK_BOUNDARY);
+ set_mem_align (mem, align);
+
+ /* SSE saves are not within re-aligned local stack frame.
+ In case INCOMING_STACK_BOUNDARY is misaligned, we have
+ to emit unaligned load. */
+ if (align < 128)
+ {
+ rtx unspec = gen_rtx_UNSPEC (V4SFmode, gen_rtvec (1, mem),
+ UNSPEC_LOADU);
+ emit_insn (gen_rtx_SET (reg, unspec));
+ }
+ else
+ emit_insn (gen_rtx_SET (reg, mem));
ix86_add_cfa_restore_note (NULL, reg, cfa_offset);
true },
/* force_align_arg_pointer says this function realigns the stack at entry. */
{ (const char *)&ix86_force_align_arg_pointer_string, 0, 0,
- false, true, true, ix86_handle_cconv_attribute, false },
+ false, true, true, ix86_handle_force_align_arg_pointer_attribute, false },
#if TARGET_DLLIMPORT_DECL_ATTRIBUTES
{ "dllimport", 0, 0, false, false, false, handle_dll_attribute, false },
{ "dllexport", 0, 0, false, false, false, handle_dll_attribute, false },
+2015-10-07 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/66697
+ * gcc.target/i386/20060512-1.c: Remove ia32 requirement.
+ (PUSH, POP): New defines.
+ (sse2_test): Use PUSH and POP to misalign runtime stack.
+ * gcc.target/i386/20060512-2.c: Remove ia32 requirement.
+
2015-10-07 James Norris <jnorris@codesourcery.com>
- * testsuite/lib/atomic-dg.exp (atomic_link_flags): Move flag setting
+ * lib/atomic-dg.exp (atomic_link_flags): Move flag setting
to atomic_init. (atomic_init): Restrict flags usage.
2015-10-07 Andre Vehreschild <vehre@gcc.gnu.org>
2015-10-05 Aditya Kumar <aditya.k7@samsung.com>
Sebastian Pop <s.pop@samsung.com>
- * gcc.dg/graphite/scop-sor.c: Un-xfail.
+ * gcc.dg/graphite/scop-sor.c: Un-xfail.
2015-10-05 Aditya Kumar <aditya.k7@samsung.com>
Sebastian Pop <s.pop@samsung.com>
- * gcc.dg/graphite/scop-sor.c: Xfail.
+ * gcc.dg/graphite/scop-sor.c: Xfail.
2015-10-05 Martin Jambor <mjambor@suse.cz>
Jan Hubicka <hubicka@ucw.cz>
projects / gcc.git / commitdiff