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From: jistone@sourceware.org To: systemtap-cvs@sourceware.org Subject: [SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.1-114-ge7227e9 Date: Thu, 25 Feb 2010 03:45:00 -0000 [thread overview] Message-ID: <20100225034511.24467.qmail@sourceware.org> (raw) This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "systemtap: system-wide probe/trace tool". The branch, master has been updated via e7227e90cd1414b2d02884617da0346134892526 (commit) via 1cb79a7245a86f563a8e54a0b47937f253636bde (commit) via a7e58d4c674003f192c4c8a834e80a3c23f9ec2e (commit) from f4869658bae06af2e92091cebda75b59d00211d8 (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- commit e7227e90cd1414b2d02884617da0346134892526 Author: Josh Stone <jistone@redhat.com> Date: Wed Feb 24 18:51:51 2010 -0800 PR10719 cont'd: const-fold binary expressions We can compute results between two literals, we can reduce identity elements, and reduce constants if the non-literal side has no side effects. * elaborate.cxx (const_folder::visit_binary_expression): Implement. commit 1cb79a7245a86f563a8e54a0b47937f253636bde Author: Josh Stone <jistone@redhat.com> Date: Wed Feb 24 17:12:09 2010 -0800 Permit chained unary operators The operand of a unary may be yet another unary. This is useful for things like boolean normalization, !!x. * parse.cxx (parser::parse_unary): Recurse the operand. * testsuite/parseok/eleven.stp: Add chained unary operators. commit a7e58d4c674003f192c4c8a834e80a3c23f9ec2e Author: Josh Stone <jistone@redhat.com> Date: Wed Feb 24 16:43:06 2010 -0800 PR10719 cont'd: const-fold logical ops We can compute results between two literals, we can short-circuit some literals on the left ("0&&x", "1||x"), and we can simplify literals on the right if the left has no side effect ("x&&0", "x||1"). * elaborate.cxx (const_folder::visit_logical_or_expr): Implement. (const_folder::visit_logical_and_expr): Implement. ----------------------------------------------------------------------- Summary of changes: elaborate.cxx | 187 ++++++++++++++++++++++++++++++++++++++++-- parse.cxx | 2 +- testsuite/parseok/eleven.stp | 8 ++- 3 files changed, 189 insertions(+), 8 deletions(-) hooks/post-receive -- systemtap: system-wide probe/trace tool
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