From 1a309dfb7abe475f67bd43a0bca04e6e892f1a86 Mon Sep 17 00:00:00 2001 From: Michael Matz Date: Fri, 5 Oct 2007 17:56:52 +0000 Subject: [PATCH] re PR middle-end/33667 (RTL sharing with divmod) gcc/ PR middle-end/33667 * lower-subreg.c (decompose_multiword_subregs): Use validate_unshare_change(). testsuite/ * gcc.dg/pr33667.c: New testcase. From-SVN: r129038 --- gcc/ChangeLog | 6 ++++++ gcc/lower-subreg.c | 2 +- gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/gcc.dg/pr33667.c | 21 +++++++++++++++++++++ 4 files changed, 33 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/gcc.dg/pr33667.c diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c8d1beb770b7..e6cdebf8c179 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2007-10-05 Michael Matz + + PR middle-end/33667 + * lower-subreg.c (decompose_multiword_subregs): Use + validate_unshare_change(). + 2007-10-05 Peter Bergner * ra-conflict.c: Include "sparseset.h". diff --git a/gcc/lower-subreg.c b/gcc/lower-subreg.c index b8e2eb658424..fa3a2c87a985 100644 --- a/gcc/lower-subreg.c +++ b/gcc/lower-subreg.c @@ -1339,7 +1339,7 @@ decompose_multiword_subregs (void) int dup_num = recog_data.dup_num[i]; rtx *px = recog_data.operand_loc[dup_num]; - validate_change (insn, pl, *px, 1); + validate_unshare_change (insn, pl, *px, 1); } i = apply_change_group (); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index d73bde39a46a..b9d2e75c51fb 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2007-10-05 Michael Matz + + PR middle-end/33667 + * gcc.dg/pr33667.c: New testcase. + 2007-10-05 Richard Guenther PR middle-end/33666 diff --git a/gcc/testsuite/gcc.dg/pr33667.c b/gcc/testsuite/gcc.dg/pr33667.c new file mode 100644 index 000000000000..d3c039b51dfc --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr33667.c @@ -0,0 +1,21 @@ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ + +typedef unsigned int size_t; +typedef unsigned char uint8_t; +typedef unsigned short int uint16_t; +typedef unsigned long long int uint64_t; +struct magic { + uint8_t mask_op; + union { + uint64_t _mask; + } _u; + union VALUETYPE { + uint16_t h; + } value; +}; +void cvt_16(union VALUETYPE *p, const struct magic *m) +{ + if (m->_u._mask) + p->h %= (uint16_t) m->_u._mask; +}