diff options
| -rw-r--r-- | gcc/ChangeLog | 30 | ||||
| -rw-r--r-- | gcc/config/i386/i386.md | 8 | ||||
| -rwxr-xr-x | gcc/configure | 4 | ||||
| -rw-r--r-- | gcc/configure.ac | 4 |
4 files changed, 30 insertions, 16 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 231e624be89..392dbce60ef 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,12 @@ +2012-07-03 Roland McGrath <mcgrathr@google.com> + + * configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): Also require that the + assembler accept 'rep bsf ...', 'rep bsr ...', 'rep ret' and 'rep nop'. + * configure: Regenerated. + * config/i386/i386.md (simple_return_internal_long): Use %; + (ctz<mode>2): Likewise. + (*pause): Likewise. + 2012-07-02 Oleg Endo <olegendo@gcc.gnu.org> PR target/51244 @@ -30,8 +39,7 @@ (gen_inbound_check): Do not release post-dominator info here. (process_switch): Reorder code. Expand as bit tests if it looks like a win. - (do_switchconv): Release post-dominator info here if something - changed. + (do_switchconv): Release post-dominator info here if something changed. (struct gimple_opt_pass): Verify more. * tree.h (expand_switch_using_bit_tests_p): Remove prototype. @@ -42,9 +50,9 @@ dynamic type change check. 2012-07-02 Richard Guenther <rguenther@suse.de> - Michael Matz <matz@suse.de> - Tobias Grosser <tobias@grosser.es> - Sebastian Pop <sebpop@gmail.com> + Michael Matz <matz@suse.de> + Tobias Grosser <tobias@grosser.es> + Sebastian Pop <sebpop@gmail.com> * Makefile.in: Remove PPL flags in favor of ISL ones. (BACKENDLIBS): Remove PPL libs. @@ -55,8 +63,7 @@ (graphite-poly.o): Likewise. * configure.ac: Declare ISL vars instead of PPL ones. * configure: Regenerated. - * doc/install.texi: Replace PPL requirement documentation - with ISL one. + * doc/install.texi: Replace PPL requirement documentation with ISL one. * graphite-blocking.c: Remove PPL code, add ISL equivalent. * graphite-clast-to-gimple.c: Likewise. * graphite-dependences.c: Likewise. @@ -76,7 +83,7 @@ Merge from graphite branch 2011-07-21 Tobias Grosser <tobias@grosser.es> - + * Makefile.in (graphite-clast-to-gimple.o, graphite-cloog-util.o): Remove graphite-cloog-util.h. * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop, @@ -122,7 +129,7 @@ * graphite-clast-to-gimple.h (scop_to_clast): Remove. 2012-01-11 Tobias Grosser <tobias@grosser.es> - + * graphite-clast-to-gimple.c (clast_name_to_index, clast_name_to_lb_ub, clast_name_to_gcc): Change types. (clast_to_gcc_expression): Add clast_expr_name as a new @@ -172,7 +179,7 @@ (crc32_byte): ... here. Use it. (crc32_unsigned): New. -2012-06-29 Cary Coutant <ccoutant@google.com> +2012-06-29 Cary Coutant <ccoutant@google.com> * dwarf2out.c (add_pubname_string): Don't check for want_pubnames. (gen_subprogram_die): Don't add pubname if want_pubnames is false. @@ -199,8 +206,7 @@ 2012-06-29 Jakub Jelinek <jakub@redhat.com> * tree-vect-generic.c (expand_vector_divmod): For even/odd - widening multiply, put even always as first argument to - VEC_PERM_EXPR. + widening multiply, put even always as first argument to VEC_PERM_EXPR. 2012-06-29 Richard Henderson <rth@redhat.com> diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index 60aa65a88bf..bdee324797c 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -11904,7 +11904,7 @@ [(simple_return) (unspec [(const_int 0)] UNSPEC_REP)] "reload_completed" - "rep\;ret" + "rep%; ret" [(set_attr "length" "2") (set_attr "atom_unit" "jeu") (set_attr "length_immediate" "0") @@ -12236,8 +12236,8 @@ else if (optimize_function_for_size_p (cfun)) ; else if (TARGET_GENERIC) - /* tzcnt expands to rep;bsf and we can use it even if !TARGET_BMI. */ - return "rep; bsf{<imodesuffix>}\t{%1, %0|%0, %1}"; + /* tzcnt expands to 'rep bsf' and we can use it even if !TARGET_BMI. */ + return "rep%; bsf{<imodesuffix>}\t{%1, %0|%0, %1}"; return "bsf{<imodesuffix>}\t{%1, %0|%0, %1}"; } @@ -18131,7 +18131,7 @@ [(set (match_operand:BLK 0) (unspec:BLK [(match_dup 0)] UNSPEC_PAUSE))] "" - "rep; nop" + "rep%; nop" [(set_attr "length" "2") (set_attr "memory" "unknown")]) diff --git a/gcc/configure b/gcc/configure index fd3be5231b8..af08a49b349 100755 --- a/gcc/configure +++ b/gcc/configure @@ -24790,6 +24790,10 @@ else gcc_cv_as_ix86_rep_lock_prefix=no if test x$gcc_cv_as != x; then $as_echo 'rep movsl + rep ret + rep nop + rep bsf %ecx, %eax + rep bsr %ecx, %eax lock addl %edi, (%eax,%esi) lock orl $0, (%esp)' > conftest.s if { ac_try='$gcc_cv_as $gcc_cv_as_flags -o conftest.o conftest.s >&5' diff --git a/gcc/configure.ac b/gcc/configure.ac index 89644e2dd96..a95adecc742 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -3641,6 +3641,10 @@ foo: nop gcc_GAS_CHECK_FEATURE([rep and lock prefix], gcc_cv_as_ix86_rep_lock_prefix,,, [rep movsl + rep ret + rep nop + rep bsf %ecx, %eax + rep bsr %ecx, %eax lock addl %edi, (%eax,%esi) lock orl $0, (%esp)],, [AC_DEFINE(HAVE_AS_IX86_REP_LOCK_PREFIX, 1, |