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| author | H.J. Lu <hjl@gcc.gnu.org> | 2007-11-06 11:19:23 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl@gcc.gnu.org> | 2007-11-06 11:19:23 -0800 |
| commit | b3519e7c8a1c3822a3f5ad2a861ffeae45bf98cb (patch) | |
| tree | 4fc1509ee2ee17b510616af4d9fa98c1130c2a2b | |
| parent | b8c963204c1d408b202e17dd58ee56c5b8e27d30 (diff) | |
| download | gcc-b3519e7c8a1c3822a3f5ad2a861ffeae45bf98cb.zip gcc-b3519e7c8a1c3822a3f5ad2a861ffeae45bf98cb.tar.gz gcc-b3519e7c8a1c3822a3f5ad2a861ffeae45bf98cb.tar.bz2 | |
re PR target/30961 (redundant reg/mem stores/moves)
gcc/
2007-11-06 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
PR target/30961
* reload1.c (find_reloads): Also check in_reg when handling a
simple move with an input reload and a destination of a hard
register.
gcc/testsuite/
2007-11-06 H.J. Lu <hongjiu.lu@intel.com>
PR target/30961
* gcc.target/i386/pr30961-1.c: New.
From-SVN: r129943
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/reload.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr30961-1.c | 13 |
4 files changed, 27 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 96f7129..c576ae9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2007-11-06 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + + PR target/30961 + * reload1.c (find_reloads): Also check in_reg when handling a + simple move with an input reload and a destination of a hard + register. + 2007-11-06 Maxim Kuvyrkov <maxim@codesourcery.com> * config/m68k/m68k.c (sched-int.h, insn-codes.h): New includes. diff --git a/gcc/reload.c b/gcc/reload.c index c9c5fc5..871f171 100644 --- a/gcc/reload.c +++ b/gcc/reload.c @@ -4462,7 +4462,8 @@ find_reloads (rtx insn, int replace, int ind_levels, int live_known, if (rld[i].when_needed == RELOAD_FOR_INPUT && GET_CODE (PATTERN (insn)) == SET && REG_P (SET_DEST (PATTERN (insn))) - && SET_SRC (PATTERN (insn)) == rld[i].in + && (SET_SRC (PATTERN (insn)) == rld[i].in + || SET_SRC (PATTERN (insn)) == rld[i].in_reg) && !elimination_target_reg_p (SET_DEST (PATTERN (insn)))) { rtx dest = SET_DEST (PATTERN (insn)); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 405068c..f335533 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2007-11-06 H.J. Lu <hongjiu.lu@intel.com> + + PR target/30961 + * gcc.target/i386/pr30961-1.c: New. + 2007-11-06 Tom Tromey <tromey@redhat.com> PR c++/32368: diff --git a/gcc/testsuite/gcc.target/i386/pr30961-1.c b/gcc/testsuite/gcc.target/i386/pr30961-1.c new file mode 100644 index 0000000..c225943 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr30961-1.c @@ -0,0 +1,13 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target lp64 } */ +/* { dg-options "-O2" } */ + +double +convert (long long in) +{ + double f; + __builtin_memcpy( &f, &in, sizeof( in ) ); + return f; +} + +/* { dg-final { scan-assembler-not "movapd" } } */ |