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- $OpenBSD: patch-gcc_config_alpha_alpha_c,v 1.4 2013/06/07 07:54:23 pascal Exp $
- --- gcc/config/alpha/alpha.c.orig Thu Aug 9 23:49:40 2012
- +++ gcc/config/alpha/alpha.c Sat Apr 13 16:20:31 2013
- @@ -227,6 +227,10 @@ alpha_handle_option (size_t code, const char *arg, int
- target_flags |= MASK_IEEE_CONFORMANT;
- break;
-
- + case OPT_mno_ieee:
- + target_flags &= ~(MASK_IEEE_WITH_INEXACT|MASK_IEEE_CONFORMANT);
- + break;
- +
- case OPT_mtls_size_:
- if (value != 16 && value != 32 && value != 64)
- error ("bad value %qs for -mtls-size switch", arg);
- @@ -487,11 +491,17 @@ alpha_option_override (void)
- if (!global_options_set.x_g_switch_value)
- g_switch_value = 8;
-
- +#ifdef OPENBSD_NATIVE
- + /* Make -fpic behave as -fPIC unless -msmall-data is specified. */
- + if (flag_pic == 2 && TARGET_SMALL_DATA)
- + warning (0, "-fPIC used with -msmall-data");
- +#else
- /* Infer TARGET_SMALL_DATA from -fpic/-fPIC. */
- if (flag_pic == 1)
- target_flags |= MASK_SMALL_DATA;
- else if (flag_pic == 2)
- target_flags &= ~MASK_SMALL_DATA;
- +#endif
-
- /* Align labels and loops for optimal branching. */
- /* ??? Kludge these by not doing anything if we don't optimize and also if
- @@ -7823,6 +7833,9 @@ alpha_expand_prologue (void)
- sa_size = alpha_sa_size ();
- frame_size = compute_frame_size (get_frame_size (), sa_size);
-
- + if (warn_stack_larger_than && frame_size > stack_larger_than_size)
- + warning (OPT_Wstack_larger_than_, "stack usage is %d bytes", frame_size);
- +
- if (flag_stack_usage)
- current_function_static_stack_size = frame_size;
-
- @@ -7864,6 +7877,8 @@ alpha_expand_prologue (void)
- if (flag_stack_check)
- probed_size += STACK_CHECK_PROTECT;
-
- +if (flag_stack_check || STACK_CHECK_BUILTIN)
- + {
- if (probed_size <= 32768)
- {
- if (probed_size > 4096)
- @@ -7957,6 +7972,44 @@ alpha_expand_prologue (void)
- ? -frame_size + 64
- : -frame_size))));
- }
- + }
- + else
- + {
- + if (frame_size <= 32768)
- + {
- + if (frame_size != 0)
- + FRP (emit_insn (gen_adddi3 (stack_pointer_rtx, stack_pointer_rtx,
- + GEN_INT (TARGET_ABI_UNICOSMK
- + ? -frame_size + 64
- + : -frame_size))));
- + }
- + else
- + {
- + rtx count = gen_rtx_REG (DImode, 23);
- + rtx seq;
- +
- + emit_move_insn (count, GEN_INT (TARGET_ABI_UNICOSMK
- + ? -frame_size + 64
- + : -frame_size));
- + seq = emit_insn (gen_adddi3 (stack_pointer_rtx, stack_pointer_rtx,
- + count));
- +
- + /* This alternative is special, because the DWARF code cannot
- + possibly intuit through the loop above. So we invent this
- + note it looks at instead. */
- + RTX_FRAME_RELATED_P (seq) = 1;
- + REG_NOTES (seq)
- + = gen_rtx_EXPR_LIST (REG_FRAME_RELATED_EXPR,
- + gen_rtx_SET (VOIDmode, stack_pointer_rtx,
- + gen_rtx_PLUS (Pmode, stack_pointer_rtx,
- + GEN_INT (TARGET_ABI_UNICOSMK
- + ? -frame_size + 64
- + : -frame_size))),
- + REG_NOTES (seq));
- + }
- + }
- +
- +
-
- if (!TARGET_ABI_UNICOSMK)
- {
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