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From: Julian S. <se...@so...> - 2018-09-30 08:22:26
|
https://sourceware.org/git/gitweb.cgi?p=valgrind.git;h=7669f536eec77cb0496295101ae4586e2ce3990c commit 7669f536eec77cb0496295101ae4586e2ce3990c Author: Julian Seward <js...@ac...> Date: Sun Sep 30 10:21:27 2018 +0200 --> 3.14.0.RC1 Diff: --- NEWS | 9 +++++++-- configure.ac | 2 +- docs/xml/vg-entities.xml | 2 +- 3 files changed, 9 insertions(+), 4 deletions(-) diff --git a/NEWS b/NEWS index def0b4d..02eb2c6 100644 --- a/NEWS +++ b/NEWS @@ -1,5 +1,5 @@ -Release 3.14.0 (?? September 2018) -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +Release 3.14.0 (4 October 2018) +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 3.14.0 is a feature release with many improvements and the usual collection of bug fixes. @@ -32,6 +32,9 @@ support for X86/macOS 10.13, AMD64/macOS 10.13. * mips: support for MIPS N32 ABI has been added. +* s390: partial support for vector instructions (integer and string) has been + added. + * ==================== TOOL CHANGES ==================== * Helgrind: Addition of a flag @@ -179,6 +182,8 @@ n-i-bz Add support for the Linux BLKREPORTZONE and BLKRESETZONE ioctls n-i-bz Fix possible stack trashing by semctl syscall wrapping n-i-bz Add support for the Linux membarrier() system call +(3.14.0.RC1: 30 September 2018, git c2aeea2d28acb0639bcc8cc1e4ab115067db1eae) + Release 3.13.0 (15 June 2017) diff --git a/configure.ac b/configure.ac index 71c96ed..1603079 100644 --- a/configure.ac +++ b/configure.ac @@ -8,7 +8,7 @@ ##------------------------------------------------------------## # Process this file with autoconf to produce a configure script. -AC_INIT([Valgrind],[3.14.0.GIT],[val...@li...]) +AC_INIT([Valgrind],[3.14.0.RC1],[val...@li...]) AC_CONFIG_SRCDIR(coregrind/m_main.c) AC_CONFIG_HEADERS([config.h]) AM_INIT_AUTOMAKE([foreign subdir-objects]) diff --git a/docs/xml/vg-entities.xml b/docs/xml/vg-entities.xml index f048f11..5d01d95 100644 --- a/docs/xml/vg-entities.xml +++ b/docs/xml/vg-entities.xml @@ -7,7 +7,7 @@ <!-- valgrind release + version stuff --> <!ENTITY rel-type "Release"> <!ENTITY rel-version "3.14.0"> -<!ENTITY rel-date "?? September 2018"> +<!ENTITY rel-date "4 October 2018"> <!-- where the docs are installed --> <!ENTITY vg-docs-path "$INSTALL/share/doc/valgrind/html/index.html"> |
|
From: Julian S. <se...@so...> - 2018-09-30 07:31:34
|
https://sourceware.org/git/gitweb.cgi?p=valgrind.git;h=c2aeea2d28acb0639bcc8cc1e4ab115067db1eae commit c2aeea2d28acb0639bcc8cc1e4ab115067db1eae Author: Julian Seward <js...@ac...> Date: Sun Sep 30 09:29:43 2018 +0200 Memcheck on amd64; fix false positive associated with spec cases {Z,NZ} after {LOGICB,LOGICW}. n-i-bz. For the spec cases {Z,NZ} after {LOGICB,LOGICW}, which are simply comparisons of the result against zero, use Cmp{EQ,NE}32 rather than their 64-bit counterparts. This is because Memcheck on amd64 instruments the 32 bit versions exactly, at the default --expensive-definedness-checks=auto setting. The alternative would have been to make Memcheck also do exact instrumentation of the 64 bit versions, but that would also burden all other 64 bit eq/ne comparisons with that cost for no purpose. So this is a cheaper solution. Diff: --- VEX/priv/guest_amd64_helpers.c | 30 ++++++++++++++++++++---------- 1 file changed, 20 insertions(+), 10 deletions(-) diff --git a/VEX/priv/guest_amd64_helpers.c b/VEX/priv/guest_amd64_helpers.c index a53419a..a2b0789 100644 --- a/VEX/priv/guest_amd64_helpers.c +++ b/VEX/priv/guest_amd64_helpers.c @@ -1626,32 +1626,42 @@ IRExpr* guest_amd64_spechelper ( const HChar* function_name, if (isU64(cc_op, AMD64G_CC_OP_LOGICW) && isU64(cond, AMD64CondZ)) { /* word and/or/xor, then Z --> test dst==0 */ + // Use CmpEQ32 rather than CmpEQ64 here, so that Memcheck instruments + // it exactly at EdcAUTO. return unop(Iop_1Uto64, - binop(Iop_CmpEQ64, - binop(Iop_And64, cc_dep1, mkU64(0xFFFF)), - mkU64(0))); + binop(Iop_CmpEQ32, + unop(Iop_16Uto32, unop(Iop_64to16, cc_dep1)), + mkU32(0))); } if (isU64(cc_op, AMD64G_CC_OP_LOGICW) && isU64(cond, AMD64CondNZ)) { /* word and/or/xor, then NZ --> test dst!=0 */ + // Use CmpNE32 rather than CmpNE64 here, so that Memcheck instruments + // it exactly at EdcAUTO. return unop(Iop_1Uto64, - binop(Iop_CmpNE64, - binop(Iop_And64, cc_dep1, mkU64(0xFFFF)), - mkU64(0))); + binop(Iop_CmpNE32, + unop(Iop_16Uto32, unop(Iop_64to16, cc_dep1)), + mkU32(0))); } /*---------------- LOGICB ----------------*/ if (isU64(cc_op, AMD64G_CC_OP_LOGICB) && isU64(cond, AMD64CondZ)) { /* byte and/or/xor, then Z --> test dst==0 */ + // Use CmpEQ32 rather than CmpEQ64 here, so that Memcheck instruments + // it exactly at EdcAUTO. return unop(Iop_1Uto64, - binop(Iop_CmpEQ64, binop(Iop_And64,cc_dep1,mkU64(255)), - mkU64(0))); + binop(Iop_CmpEQ32, + unop(Iop_8Uto32, unop(Iop_64to8, cc_dep1)), + mkU32(0))); } if (isU64(cc_op, AMD64G_CC_OP_LOGICB) && isU64(cond, AMD64CondNZ)) { /* byte and/or/xor, then NZ --> test dst!=0 */ + // Use CmpNE32 rather than CmpNE64 here, so that Memcheck instruments + // it exactly at EdcAUTO. return unop(Iop_1Uto64, - binop(Iop_CmpNE64, binop(Iop_And64,cc_dep1,mkU64(255)), - mkU64(0))); + binop(Iop_CmpNE32, + unop(Iop_8Uto32, unop(Iop_64to8, cc_dep1)), + mkU32(0))); } if (isU64(cc_op, AMD64G_CC_OP_LOGICB) && isU64(cond, AMD64CondS)) { |