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| author | David S. Miller <davem@davemloft.net> | 2012-05-03 22:19:35 +0000 |
|---|---|---|
| committer | David S. Miller <davem@gcc.gnu.org> | 2012-05-03 15:19:35 -0700 |
| commit | d333c3ebce0df3f2c4d976698bea0d96642a2ead (patch) | |
| tree | 01a989235afba1e8b1a9134a9399b245310f5a14 | |
| parent | 65d512d10ecd585b72a099c54453831c40d2e4f7 (diff) | |
| download | gcc-d333c3ebce0df3f2c4d976698bea0d96642a2ead.zip gcc-d333c3ebce0df3f2c4d976698bea0d96642a2ead.tar.gz gcc-d333c3ebce0df3f2c4d976698bea0d96642a2ead.tar.bz2 | |
Fix long double float miscompilations on sparc 64-bit.
PR target/52684
* config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
MEM directly into a libcall, mark it's MEM_EXPR as addressable.
(sparc_emit_float_lib_cmp): Likewise.
From-SVN: r187120
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/sparc/sparc.c | 23 |
2 files changed, 26 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8907303..a310e38 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2012-05-03 David S. Miller <davem@davemloft.net> + + PR target/52684 + * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a + MEM directly into a libcall, mark it's MEM_EXPR as addressable. + (sparc_emit_float_lib_cmp): Likewise. + 2012-05-03 Michael Meissner <meissner@linux.vnet.ibm.com> PR target/53199 diff --git a/gcc/config/sparc/sparc.c b/gcc/config/sparc/sparc.c index 11bd1fe..0db1718 100644 --- a/gcc/config/sparc/sparc.c +++ b/gcc/config/sparc/sparc.c @@ -1,7 +1,7 @@ /* Subroutines for insn-output.c for SPARC. Copyright (C) 1987, 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, - 2011 + 2011, 2012 Free Software Foundation, Inc. Contributed by Michael Tiemann (tiemann@cygnus.com) 64-bit SPARC-V9 support by Michael Tiemann, Jim Wilson, and Doug Evans, @@ -2724,7 +2724,12 @@ emit_soft_tfmode_libcall (const char *func_name, int nargs, rtx *operands) if (GET_CODE (this_arg) == MEM && ! force_stack_temp) - this_arg = XEXP (this_arg, 0); + { + tree expr = MEM_EXPR (this_arg); + if (expr) + mark_addressable (expr); + this_arg = XEXP (this_arg, 0); + } else if (CONSTANT_P (this_arg) && ! force_stack_temp) { @@ -7413,7 +7418,12 @@ sparc_emit_float_lib_cmp (rtx x, rtx y, enum rtx_code comparison) if (TARGET_ARCH64) { if (MEM_P (x)) - slot0 = x; + { + tree expr = MEM_EXPR (x); + if (expr) + mark_addressable (expr); + slot0 = x; + } else { slot0 = assign_stack_temp (TFmode, GET_MODE_SIZE(TFmode), 0); @@ -7421,7 +7431,12 @@ sparc_emit_float_lib_cmp (rtx x, rtx y, enum rtx_code comparison) } if (MEM_P (y)) - slot1 = y; + { + tree expr = MEM_EXPR (y); + if (expr) + mark_addressable (expr); + slot1 = y; + } else { slot1 = assign_stack_temp (TFmode, GET_MODE_SIZE(TFmode), 0); |