diff options
Diffstat (limited to 'main/gcc/pr64037.patch')
-rw-r--r-- | main/gcc/pr64037.patch | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/main/gcc/pr64037.patch b/main/gcc/pr64037.patch deleted file mode 100644 index 6b08a51172..0000000000 --- a/main/gcc/pr64037.patch +++ /dev/null @@ -1,83 +0,0 @@ -https://gcc.gnu.org/git/?p=gcc.git;a=patch;h=0817dc6f0e6b973e0e3671eb72d3758a8f042324 -(changelog changes removed) - -From 0817dc6f0e6b973e0e3671eb72d3758a8f042324 Mon Sep 17 00:00:00 2001 -From: hjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4> -Date: Sun, 14 Dec 2014 16:07:03 +0000 -Subject: [PATCH] Pass unpromoted argument to promote_function_mode - -This patch updates setup_incoming_promotions in combine.c to match what -is actually passed in assign_parm_setup_reg in function.c. - -Backported from mainline: - -gcc/ - - PR rtl-optimization/64037 - * combine.c (setup_incoming_promotions): Pass the argument - before any promotions happen to promote_function_mode. - -gcc/testsuite/ - - PR rtl-optimization/64037 - * g++.dg/pr64037.C: New test. - - -git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_9-branch@218721 138bc75d-0d04-0410-961f-82ee72b054a4 ---- - gcc/combine.c | 4 ++-- - gcc/testsuite/g++.dg/pr64037.C | 27 +++++++++++++++++++++++++++ - 4 files changed, 46 insertions(+), 2 deletions(-) - create mode 100644 gcc/testsuite/g++.dg/pr64037.C - -diff --git a/gcc/combine.c b/gcc/combine.c -index 7c00452..adea2c1 100644 ---- a/gcc/combine.c -+++ b/gcc/combine.c -@@ -1529,8 +1529,8 @@ setup_incoming_promotions (rtx first) - uns3 = TYPE_UNSIGNED (DECL_ARG_TYPE (arg)); - - /* The mode and signedness of the argument as it is actually passed, -- after any TARGET_PROMOTE_FUNCTION_ARGS-driven ABI promotions. */ -- mode3 = promote_function_mode (DECL_ARG_TYPE (arg), mode2, &uns3, -+ see assign_parm_setup_reg in function.c. */ -+ mode3 = promote_function_mode (TREE_TYPE (arg), mode1, &uns3, - TREE_TYPE (cfun->decl), 0); - - /* The mode of the register in which the argument is being passed. */ -diff --git a/gcc/testsuite/g++.dg/pr64037.C b/gcc/testsuite/g++.dg/pr64037.C -new file mode 100644 -index 0000000..e5cd0e2 ---- /dev/null -+++ b/gcc/testsuite/g++.dg/pr64037.C -@@ -0,0 +1,27 @@ -+// { dg-do run { target i?86-*-* x86_64-*-* } } -+// { dg-options "-std=c++11 -Os" } -+ -+enum class X : unsigned char { -+ V = 2, -+}; -+ -+static void -+__attribute__((noinline,noclone)) -+foo(unsigned &out, unsigned a, X b) -+{ -+ out = static_cast<unsigned>(b); -+} -+ -+int main() -+{ -+ unsigned deadbeef = 0xDEADBEEF; -+ asm volatile ("" : "+d" (deadbeef), "+c" (deadbeef)); -+ -+ unsigned out; -+ foo(out, 2, X::V); -+ -+ if (out != 2) -+ __builtin_abort (); -+ -+ return 0; -+} --- -1.7.1 - |