diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0049-PR-target-48142.patch')
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0049-PR-target-48142.patch | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0049-PR-target-48142.patch b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0049-PR-target-48142.patch deleted file mode 100644 index 4c0420a..0000000 --- a/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0049-PR-target-48142.patch +++ /dev/null @@ -1,92 +0,0 @@ -From 18bc61fc490330f5dc59639626fa9bb5269e31d7 Mon Sep 17 00:00:00 2001 -From: ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> -Date: Thu, 31 Mar 2011 11:14:41 +0000 -Subject: [PATCH] PR target/48142 - * config/i386/i386.c (ix86_adjust_stack_and_probe): Differentiate - frame-related from frame-unrelated adjustments to the stack pointer. - -git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@171778 138bc75d-0d04-0410-961f-82ee72b054a4 - -index 4fb654f..a524d77 100644 ---- a/gcc/config/i386/i386.c -+++ b/gcc/config/i386/i386.c -@@ -9981,7 +9981,7 @@ ix86_adjust_stack_and_probe (const HOST_WIDE_INT size) - probe that many bytes past the specified size to maintain a protection - area at the botton of the stack. */ - const int dope = 4 * UNITS_PER_WORD; -- rtx size_rtx = GEN_INT (size); -+ rtx size_rtx = GEN_INT (size), last; - - /* See if we have a constant small number of probes to generate. If so, - that's the easy case. The run-time loop is made up of 11 insns in the -@@ -10021,9 +10021,9 @@ ix86_adjust_stack_and_probe (const HOST_WIDE_INT size) - emit_stack_probe (stack_pointer_rtx); - - /* Adjust back to account for the additional first interval. */ -- emit_insn (gen_rtx_SET (VOIDmode, stack_pointer_rtx, -- plus_constant (stack_pointer_rtx, -- PROBE_INTERVAL + dope))); -+ last = emit_insn (gen_rtx_SET (VOIDmode, stack_pointer_rtx, -+ plus_constant (stack_pointer_rtx, -+ PROBE_INTERVAL + dope))); - } - - /* Otherwise, do the same as above, but in a loop. Note that we must be -@@ -10084,15 +10084,33 @@ ix86_adjust_stack_and_probe (const HOST_WIDE_INT size) - } - - /* Adjust back to account for the additional first interval. */ -- emit_insn (gen_rtx_SET (VOIDmode, stack_pointer_rtx, -- plus_constant (stack_pointer_rtx, -- PROBE_INTERVAL + dope))); -+ last = emit_insn (gen_rtx_SET (VOIDmode, stack_pointer_rtx, -+ plus_constant (stack_pointer_rtx, -+ PROBE_INTERVAL + dope))); - - release_scratch_register_on_entry (&sr); - } - - gcc_assert (cfun->machine->fs.cfa_reg != stack_pointer_rtx); -- cfun->machine->fs.sp_offset += size; -+ -+ /* Even if the stack pointer isn't the CFA register, we need to correctly -+ describe the adjustments made to it, in particular differentiate the -+ frame-related ones from the frame-unrelated ones. */ -+ if (size > 0) -+ { -+ rtx expr = gen_rtx_SEQUENCE (VOIDmode, rtvec_alloc (2)); -+ XVECEXP (expr, 0, 0) -+ = gen_rtx_SET (VOIDmode, stack_pointer_rtx, -+ plus_constant (stack_pointer_rtx, -size)); -+ XVECEXP (expr, 0, 1) -+ = gen_rtx_SET (VOIDmode, stack_pointer_rtx, -+ plus_constant (stack_pointer_rtx, -+ PROBE_INTERVAL + dope + size)); -+ add_reg_note (last, REG_FRAME_RELATED_EXPR, expr); -+ RTX_FRAME_RELATED_P (last) = 1; -+ -+ cfun->machine->fs.sp_offset += size; -+ } - - /* Make sure nothing is scheduled before we are done. */ - emit_insn (gen_blockage ()); -new file mode 100644 -index 0000000..7964057 ---- /dev/null -+++ b/gcc/testsuite/g++.dg/other/i386-9.C -@@ -0,0 +1,12 @@ -+// PR target/48142 -+// Testcase by Zdenek Sojka <zsojka@seznam.cz> -+ -+// { dg-do run { target i?86-*-* x86_64-*-* } } -+// { dg-options "-Os -mpreferred-stack-boundary=5 -fstack-check -fno-omit-frame-pointer" } -+ -+int main() -+{ -+ try { throw 0; } -+ catch (...) {} -+ return 0; -+} --- -1.7.0.4 - |
