Date: Fri, 3 Jan 2014 15:55:21 +0000 (UTC) From: "Pedro F. Giffuni" <pfg@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r260231 - in stable/9/contrib/gcc: . cp Message-ID: <201401031555.s03FtLr4024262@svn.freebsd.org>
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Author: pfg Date: Fri Jan 3 15:55:20 2014 New Revision: 260231 URL: http://svnweb.freebsd.org/changeset/base/260231 Log: MFC r259655 (partial), r259944 gcc: merge small upstream changes. Fix for PR c++/29928 Backport from mainline: 2007-04-24 Hui-May Chang <hm.chang@apple.com> * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction. Obtained from: gcc 4.3 (rev. r124115, 124724: GPLv2) Modified: stable/9/contrib/gcc/ChangeLog.gcc43 stable/9/contrib/gcc/cp/rtti.c stable/9/contrib/gcc/reload1.c Directory Properties: stable/9/ (props changed) stable/9/contrib/gcc/ (props changed) Modified: stable/9/contrib/gcc/ChangeLog.gcc43 ============================================================================== --- stable/9/contrib/gcc/ChangeLog.gcc43 Fri Jan 3 15:54:12 2014 (r260230) +++ stable/9/contrib/gcc/ChangeLog.gcc43 Fri Jan 3 15:55:20 2014 (r260231) @@ -139,6 +139,11 @@ alignment for amdfam10 architecture. Increasing the max loop alignment to 24 bytes. +2007-04-24 Hui-May Chang <hm.chang@apple.com> (r124115) + + * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER + instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction. + 2007-04-16 Lawrence Crowl <crowl@google.com> (r123909) * doc/invoke.texi (Debugging Options): Add documentation for the Modified: stable/9/contrib/gcc/cp/rtti.c ============================================================================== --- stable/9/contrib/gcc/cp/rtti.c Fri Jan 3 15:54:12 2014 (r260230) +++ stable/9/contrib/gcc/cp/rtti.c Fri Jan 3 15:55:20 2014 (r260231) @@ -238,7 +238,7 @@ get_tinfo_decl_dynamic (tree exp) /* Peel off cv qualifiers. */ type = TYPE_MAIN_VARIANT (type); - if (!VOID_TYPE_P (type)) + if (CLASS_TYPE_P (type)) type = complete_type_or_else (type, exp); if (!type) @@ -430,7 +430,7 @@ get_typeid (tree type) that is the operand of typeid are always ignored. */ type = TYPE_MAIN_VARIANT (type); - if (!VOID_TYPE_P (type)) + if (CLASS_TYPE_P (type)) type = complete_type_or_else (type, NULL_TREE); if (!type) Modified: stable/9/contrib/gcc/reload1.c ============================================================================== --- stable/9/contrib/gcc/reload1.c Fri Jan 3 15:54:12 2014 (r260230) +++ stable/9/contrib/gcc/reload1.c Fri Jan 3 15:55:20 2014 (r260231) @@ -6236,15 +6236,23 @@ merge_assigned_reloads (rtx insn) transfer_replacements (i, j); } - /* If this is now RELOAD_OTHER, look for any reloads that load - parts of this operand and set them to RELOAD_FOR_OTHER_ADDRESS - if they were for inputs, RELOAD_OTHER for outputs. Note that - this test is equivalent to looking for reloads for this operand - number. */ - /* We must take special care with RELOAD_FOR_OUTPUT_ADDRESS; it may - share registers with a RELOAD_FOR_INPUT, so we can not change it - to RELOAD_FOR_OTHER_ADDRESS. We should never need to, since we - do not modify RELOAD_FOR_OUTPUT. */ + /* If this is now RELOAD_OTHER, look for any reloads that + load parts of this operand and set them to + RELOAD_FOR_OTHER_ADDRESS if they were for inputs, + RELOAD_OTHER for outputs. Note that this test is + equivalent to looking for reloads for this operand + number. + + We must take special care with RELOAD_FOR_OUTPUT_ADDRESS; + it may share registers with a RELOAD_FOR_INPUT, so we can + not change it to RELOAD_FOR_OTHER_ADDRESS. We should + never need to, since we do not modify RELOAD_FOR_OUTPUT. + + It is possible that the RELOAD_FOR_OPERAND_ADDRESS + instruction is assigned the same register as the earlier + RELOAD_FOR_OTHER_ADDRESS instruction. Merging these two + instructions will cause the RELOAD_FOR_OTHER_ADDRESS + instruction to be deleted later on. */ if (rld[i].when_needed == RELOAD_OTHER) for (j = 0; j < n_reloads; j++) @@ -6252,6 +6260,7 @@ merge_assigned_reloads (rtx insn) && rld[j].when_needed != RELOAD_OTHER && rld[j].when_needed != RELOAD_FOR_OTHER_ADDRESS && rld[j].when_needed != RELOAD_FOR_OUTPUT_ADDRESS + && rld[j].when_needed != RELOAD_FOR_OPERAND_ADDRESS && (! conflicting_input || rld[j].when_needed == RELOAD_FOR_INPUT_ADDRESS || rld[j].when_needed == RELOAD_FOR_INPADDR_ADDRESS)
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