From 4bcc9de5fd598dec1c621f98fa7c37f6940c65d4 Mon Sep 17 00:00:00 2001 From: Uros Bizjak Date: Fri, 18 May 2007 10:37:03 +0200 Subject: [PATCH] re PR middle-end/31344 (bootstrap broken on i[345]86-linux) PR rtl-optimization/31344 * expr.c (emit_move_change_mode): Change mode of push operands here. testsuite/ChangeLog: PR rtl-optimization/31344 * gcc.dg/pr31344.c: New test. From-SVN: r124825 --- gcc/ChangeLog | 5 +++++ gcc/expr.c | 7 ++++++- gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/gcc.dg/pr31344.c | 25 +++++++++++++++++++++++++ 4 files changed, 41 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/gcc.dg/pr31344.c diff --git a/gcc/ChangeLog b/gcc/ChangeLog index cbe76f8..4756ff8 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2007-05-18 Uros Bizjak + + PR rtl-optimization/31344 + * expr.c (emit_move_change_mode): Change mode of push operands here. + 2007-05-17 Ian Lance Taylor PR tree-optimization/31953 diff --git a/gcc/expr.c b/gcc/expr.c index 9286ffa..8c4b03d 100644 --- a/gcc/expr.c +++ b/gcc/expr.c @@ -2867,7 +2867,12 @@ emit_move_change_mode (enum machine_mode new_mode, { rtx ret; - if (MEM_P (x)) + if (push_operand (x, GET_MODE (x))) + { + ret = gen_rtx_MEM (new_mode, XEXP (x, 0)); + MEM_COPY_ATTRIBUTES (ret, x); + } + else if (MEM_P (x)) { /* We don't have to worry about changing the address since the size in bytes is supposed to be the same. */ diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 96b7c39..75b2d53 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2007-05-18 Uros Bizjak + + PR rtl-optimization/31344 + * gcc.dg/pr31344.c: New test. + 2007-05-17 Ian Lance Taylor PR tree-optimization/31953 diff --git a/gcc/testsuite/gcc.dg/pr31344.c b/gcc/testsuite/gcc.dg/pr31344.c new file mode 100644 index 0000000..a01439b --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr31344.c @@ -0,0 +1,25 @@ +/* { dg-do compile { target dfp } } */ +/* { dg-options "-O -std=gnu99 -mtune=i386" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */ +/* { dg-options "-O -std=gnu99" } */ + +typedef struct +{ + unsigned char bits; +} decNumber; + +typedef struct +{ + unsigned char bytes[1]; +} decimal32; + +extern decNumber *__decimal32ToNumber (const decimal32 *, decNumber *); +extern void __host_to_ieee_32 (_Decimal32, decimal32 *); + +void +foo (_Decimal32 arg) +{ + decNumber dn; + decimal32 d32; + __host_to_ieee_32 (arg, &d32); + __decimal32ToNumber (&d32, &dn); +} -- 2.7.4