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| author | Richard Henderson <rth@redhat.com> | 2010-08-05 11:04:58 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2010-08-05 11:04:58 -0700 |
| commit | 55b324a67cf91568372f4e93c7dae01a572de9f4 (patch) | |
| tree | 3fef0fc2e31427b0828ceccd0fa7c42aeb54c987 /gcc | |
| parent | 29e9efdf755f49cc25a664586c42eacd43e611e0 (diff) | |
| download | gcc-55b324a67cf91568372f4e93c7dae01a572de9f4.zip gcc-55b324a67cf91568372f4e93c7dae01a572de9f4.tar.gz gcc-55b324a67cf91568372f4e93c7dae01a572de9f4.tar.bz2 | |
re PR target/45189 (New stack alignment test failures)
PR target/45189
Fix unwind for i386 stack re-alignment.
From-SVN: r162919
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 3 |
2 files changed, 9 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1397b74..0f58431 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2010-08-05 Richard Henderson <rth@redhat.com> + + PR target/45189 + * config/i386/i386.c (ix86_emit_save_reg_using_mov): Make sure + the alignment constant is properly sign-extended. + 2010-08-05 Richard Guenther <rguenther@suse.de> * expr.c (store_expr): Use emit_block_move only if both @@ -6,7 +12,7 @@ 2010-08-05 Richard Henderson <rth@redhat.com> - PR 45189 + PR debug/45188 * dwarf2out.c (DWARF2_UNWIND_INFO): Provide default definition. (INCOMING_RETURN_ADDR_RTX): Likewise. (dwarf2out_do_frame): Remove conditional compilation. diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index dd81825..204211a 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -8639,7 +8639,8 @@ ix86_emit_save_reg_using_mov (enum machine_mode mode, unsigned int regno, reference to the locations within the frame. Instead, simply compute the location of the aligned frame from the frame pointer. */ - addr = GEN_INT (-crtl->stack_alignment_needed / BITS_PER_UNIT); + addr = GEN_INT (-(HOST_WIDE_INT)crtl->stack_alignment_needed + / BITS_PER_UNIT); addr = gen_rtx_AND (Pmode, hard_frame_pointer_rtx, addr); addr = plus_constant (addr, -cfa_offset); mem = gen_rtx_MEM (mode, addr); |