diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0153-2011-04-20-Richard-Guenther-rguenther-suse.de.patch')
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0153-2011-04-20-Richard-Guenther-rguenther-suse.de.patch | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0153-2011-04-20-Richard-Guenther-rguenther-suse.de.patch b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0153-2011-04-20-Richard-Guenther-rguenther-suse.de.patch new file mode 100644 index 000000000..e47d8d1b6 --- /dev/null +++ b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0153-2011-04-20-Richard-Guenther-rguenther-suse.de.patch @@ -0,0 +1,117 @@ +From 5ff95d9c48276f6495b8ebefeb2ce4ac1ab6a1fe Mon Sep 17 00:00:00 2001 +From: rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> +Date: Wed, 20 Apr 2011 09:48:00 +0000 +Subject: [PATCH 153/200] 2011-04-20 Richard Guenther <rguenther@suse.de> + + Backport from mainline + 2011-04-19 Bernd Schmidt <bernds@codesourcery.com> + + PR fortran/47976 + * reload1.c (inc_for_reload): Return void. All callers changed. + (emit_input_reload_insns): Don't try to delete previous output + reloads to a register, or record spill_reg_store for autoincs. + + +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@172765 138bc75d-0d04-0410-961f-82ee72b054a4 + +index 3d58e58..5120315 100644 +--- a/gcc/reload1.c ++++ b/gcc/reload1.c +@@ -445,7 +445,7 @@ static void emit_reload_insns (struct insn_chain *); + static void delete_output_reload (rtx, int, int, rtx); + static void delete_address_reloads (rtx, rtx); + static void delete_address_reloads_1 (rtx, rtx, rtx); +-static rtx inc_for_reload (rtx, rtx, rtx, int); ++static void inc_for_reload (rtx, rtx, rtx, int); + #ifdef AUTO_INC_DEC + static void add_auto_inc_notes (rtx, rtx); + #endif +@@ -7152,22 +7152,12 @@ emit_input_reload_insns (struct insn_chain *chain, struct reload *rl, + + old = XEXP (rl->in_reg, 0); + +- if (optimize && REG_P (oldequiv) +- && REGNO (oldequiv) < FIRST_PSEUDO_REGISTER +- && spill_reg_store[REGNO (oldequiv)] +- && REG_P (old) +- && (dead_or_set_p (insn, +- spill_reg_stored_to[REGNO (oldequiv)]) +- || rtx_equal_p (spill_reg_stored_to[REGNO (oldequiv)], +- old))) +- delete_output_reload (insn, j, REGNO (oldequiv), reloadreg); +- + /* Prevent normal processing of this reload. */ + special = 1; +- /* Output a special code sequence for this case. */ +- new_spill_reg_store[REGNO (reloadreg)] +- = inc_for_reload (reloadreg, oldequiv, rl->out, +- rl->inc); ++ /* Output a special code sequence for this case, and forget about ++ spill reg information. */ ++ new_spill_reg_store[REGNO (reloadreg)] = NULL; ++ inc_for_reload (reloadreg, oldequiv, rl->out, rl->inc); + } + + /* If we are reloading a pseudo-register that was set by the previous +@@ -8981,11 +8971,9 @@ delete_address_reloads_1 (rtx dead_insn, rtx x, rtx current_insn) + IN is either identical to VALUE, or some cheaper place to reload from. + + INC_AMOUNT is the number to increment or decrement by (always positive). +- This cannot be deduced from VALUE. +- +- Return the instruction that stores into RELOADREG. */ ++ This cannot be deduced from VALUE. */ + +-static rtx ++static void + inc_for_reload (rtx reloadreg, rtx in, rtx value, int inc_amount) + { + /* REG or MEM to be copied and incremented. */ +@@ -8997,7 +8985,6 @@ inc_for_reload (rtx reloadreg, rtx in, rtx value, int inc_amount) + rtx inc; + rtx add_insn; + int code; +- rtx store; + rtx real_in = in == value ? incloc : in; + + /* No hard register is equivalent to this register after +@@ -9045,9 +9032,8 @@ inc_for_reload (rtx reloadreg, rtx in, rtx value, int inc_amount) + be used as an address. */ + + if (! post) +- add_insn = emit_insn (gen_move_insn (reloadreg, incloc)); +- +- return add_insn; ++ emit_insn (gen_move_insn (reloadreg, incloc)); ++ return; + } + } + delete_insns_since (last); +@@ -9063,7 +9049,7 @@ inc_for_reload (rtx reloadreg, rtx in, rtx value, int inc_amount) + if (in != reloadreg) + emit_insn (gen_move_insn (reloadreg, real_in)); + emit_insn (gen_add2_insn (reloadreg, inc)); +- store = emit_insn (gen_move_insn (incloc, reloadreg)); ++ emit_insn (gen_move_insn (incloc, reloadreg)); + } + else + { +@@ -9077,14 +9063,12 @@ inc_for_reload (rtx reloadreg, rtx in, rtx value, int inc_amount) + the original value. */ + + emit_insn (gen_add2_insn (reloadreg, inc)); +- store = emit_insn (gen_move_insn (incloc, reloadreg)); ++ emit_insn (gen_move_insn (incloc, reloadreg)); + if (CONST_INT_P (inc)) + emit_insn (gen_add2_insn (reloadreg, GEN_INT (-INTVAL (inc)))); + else + emit_insn (gen_sub2_insn (reloadreg, inc)); + } +- +- return store; + } + + #ifdef AUTO_INC_DEC +-- +1.7.0.4 + |