diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-4.9/backport/0014-x86-Add-mindirect-branch-register.patch')
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc-4.9/backport/0014-x86-Add-mindirect-branch-register.patch | 681 |
1 files changed, 681 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-4.9/backport/0014-x86-Add-mindirect-branch-register.patch b/meta/recipes-devtools/gcc/gcc-4.9/backport/0014-x86-Add-mindirect-branch-register.patch new file mode 100644 index 00000000000..f1b7474e0f5 --- /dev/null +++ b/meta/recipes-devtools/gcc/gcc-4.9/backport/0014-x86-Add-mindirect-branch-register.patch @@ -0,0 +1,681 @@ +From ed42606bdab1c5d9e5ad828cd6fe1a0557f193b7 Mon Sep 17 00:00:00 2001 +From: "H.J. Lu" <hjl.tools@gmail.com> +Date: Sat, 6 Jan 2018 22:29:56 -0800 +Subject: [PATCH 14/20] x86: Add -mindirect-branch-register + +Add -mindirect-branch-register to force indirect branch via register. +This is implemented by disabling patterns of indirect branch via memory, +similar to TARGET_X32. + +-mindirect-branch= and -mfunction-return= tests are updated with +-mno-indirect-branch-register to avoid false test failures when +-mindirect-branch-register is added to RUNTESTFLAGS for "make check". + +gcc/ + + Backport from mainline + 2018-01-14 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/constraints.md (Bs): Disallow memory operand for + -mindirect-branch-register. + (Bw): Likewise. + * config/i386/predicates.md (indirect_branch_operand): Likewise. + (GOT_memory_operand): Likewise. + (call_insn_operand): Likewise. + (sibcall_insn_operand): Likewise. + (GOT32_symbol_operand): Likewise. + * config/i386/i386.md (indirect_jump): Call convert_memory_address + for -mindirect-branch-register. + (tablejump): Likewise. + (*sibcall_memory): Likewise. + (*sibcall_value_memory): Likewise. + Disallow peepholes of indirect call and jump via memory for + -mindirect-branch-register. + (*call_pop): Replace m with Bw. + (*call_value_pop): Likewise. + (*sibcall_pop_memory): Replace m with Bs. + * config/i386/i386.opt (mindirect-branch-register): New option. + * doc/invoke.texi: Document -mindirect-branch-register option. + +gcc/testsuite/ + + Backport from mainline + 2018-01-14 H.J. Lu <hongjiu.lu@intel.com> + + * gcc.target/i386/indirect-thunk-1.c (dg-options): Add + -mno-indirect-branch-register. + * gcc.target/i386/indirect-thunk-2.c: Likewise. + * gcc.target/i386/indirect-thunk-3.c: Likewise. + * gcc.target/i386/indirect-thunk-4.c: Likewise. + * gcc.target/i386/indirect-thunk-7.c: Likewise. + * gcc.target/i386/indirect-thunk-attr-1.c: Likewise. + * gcc.target/i386/indirect-thunk-attr-2.c: Likewise. + * gcc.target/i386/indirect-thunk-attr-3.c: Likewise. + * gcc.target/i386/indirect-thunk-attr-4.c: Likewise. + * gcc.target/i386/indirect-thunk-attr-5.c: Likewise. + * gcc.target/i386/indirect-thunk-attr-6.c: Likewise. + * gcc.target/i386/indirect-thunk-attr-7.c: Likewise. + * gcc.target/i386/indirect-thunk-extern-1.c: Likewise. + * gcc.target/i386/indirect-thunk-extern-2.c: Likewise. + * gcc.target/i386/indirect-thunk-extern-3.c: Likewise. + * gcc.target/i386/indirect-thunk-extern-4.c: Likewise. + * gcc.target/i386/indirect-thunk-extern-7.c: Likewise. + * gcc.target/i386/indirect-thunk-inline-1.c: Likewise. + * gcc.target/i386/indirect-thunk-inline-2.c: Likewise. + * gcc.target/i386/indirect-thunk-inline-3.c: Likewise. + * gcc.target/i386/indirect-thunk-inline-4.c: Likewise. + * gcc.target/i386/indirect-thunk-inline-7.c: Likewise. + * gcc.target/i386/ret-thunk-10.c: Likewise. + * gcc.target/i386/ret-thunk-11.c: Likewise. + * gcc.target/i386/ret-thunk-12.c: Likewise. + * gcc.target/i386/ret-thunk-13.c: Likewise. + * gcc.target/i386/ret-thunk-14.c: Likewise. + * gcc.target/i386/ret-thunk-15.c: Likewise. + * gcc.target/i386/ret-thunk-9.c: Likewise. + * gcc.target/i386/indirect-thunk-register-1.c: New test. + * gcc.target/i386/indirect-thunk-register-2.c: Likewise. + * gcc.target/i386/indirect-thunk-register-3.c: Likewise. + +i386: Rename to ix86_indirect_branch_register + +Rename the variable for -mindirect-branch-register to +ix86_indirect_branch_register to match the command-line option name. + + Backport from mainline + 2018-01-15 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/constraints.md (Bs): Replace + ix86_indirect_branch_thunk_register with + ix86_indirect_branch_register. + (Bw): Likewise. + * config/i386/i386.md (indirect_jump): Likewise. + (tablejump): Likewise. + (*sibcall_memory): Likewise. + (*sibcall_value_memory): Likewise. + Peepholes of indirect call and jump via memory: Likewise. + * config/i386/i386.opt: Likewise. + * config/i386/predicates.md (indirect_branch_operand): Likewise. + (GOT_memory_operand): Likewise. + (call_insn_operand): Likewise. + (sibcall_insn_operand): Likewise. + (GOT32_symbol_operand): Likewise. + +x86: Rewrite ix86_indirect_branch_register logic + +Rewrite ix86_indirect_branch_register logic with + +(and (not (match_test "ix86_indirect_branch_register")) + (original condition before r256662)) + + Backport from mainline + 2018-01-15 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/predicates.md (constant_call_address_operand): + Rewrite ix86_indirect_branch_register logic. + (sibcall_insn_operand): Likewise. + +Don't check ix86_indirect_branch_register for GOT operand + +Since GOT_memory_operand and GOT32_symbol_operand are simple pattern +matches, don't check ix86_indirect_branch_register here. If needed, +-mindirect-branch= will convert indirect branch via GOT slot to a call +and return thunk. + + Backport from mainline + 2018-01-15 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/constraints.md (Bs): Update + ix86_indirect_branch_register check. Don't check + ix86_indirect_branch_register with GOT_memory_operand. + (Bw): Likewise. + * config/i386/predicates.md (GOT_memory_operand): Don't check + ix86_indirect_branch_register here. + (GOT32_symbol_operand): Likewise. + +i386: Rewrite indirect_branch_operand logic + + Backport from mainline + 2018-01-15 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/predicates.md (indirect_branch_operand): Rewrite + ix86_indirect_branch_register logic. +--- + gcc/config/i386/constraints.md | 3 ++- + gcc/config/i386/i386.md | 4 ++-- + gcc/config/i386/i386.opt | 4 ++++ + gcc/config/i386/predicates.md | 6 ++++-- + gcc/doc/invoke.texi | 6 +++++- + gcc/testsuite/gcc.target/i386/indirect-thunk-1.c | 2 +- + gcc/testsuite/gcc.target/i386/indirect-thunk-2.c | 2 +- + gcc/testsuite/gcc.target/i386/indirect-thunk-3.c | 2 +- + gcc/testsuite/gcc.target/i386/indirect-thunk-4.c | 2 +- + gcc/testsuite/gcc.target/i386/indirect-thunk-7.c | 2 +- + .../gcc.target/i386/indirect-thunk-attr-1.c | 2 +- + .../gcc.target/i386/indirect-thunk-attr-2.c | 2 +- + .../gcc.target/i386/indirect-thunk-attr-3.c | 2 +- + .../gcc.target/i386/indirect-thunk-attr-4.c | 2 +- + .../gcc.target/i386/indirect-thunk-attr-5.c | 2 +- + .../gcc.target/i386/indirect-thunk-attr-6.c | 2 +- + .../gcc.target/i386/indirect-thunk-attr-7.c | 2 +- + .../gcc.target/i386/indirect-thunk-extern-1.c | 2 +- + .../gcc.target/i386/indirect-thunk-extern-2.c | 2 +- + .../gcc.target/i386/indirect-thunk-extern-3.c | 2 +- + .../gcc.target/i386/indirect-thunk-extern-4.c | 2 +- + .../gcc.target/i386/indirect-thunk-extern-7.c | 2 +- + .../gcc.target/i386/indirect-thunk-inline-1.c | 2 +- + .../gcc.target/i386/indirect-thunk-inline-2.c | 2 +- + .../gcc.target/i386/indirect-thunk-inline-3.c | 2 +- + .../gcc.target/i386/indirect-thunk-inline-4.c | 2 +- + .../gcc.target/i386/indirect-thunk-inline-7.c | 2 +- + .../gcc.target/i386/indirect-thunk-register-1.c | 22 ++++++++++++++++++++++ + .../gcc.target/i386/indirect-thunk-register-2.c | 20 ++++++++++++++++++++ + .../gcc.target/i386/indirect-thunk-register-3.c | 19 +++++++++++++++++++ + gcc/testsuite/gcc.target/i386/ret-thunk-10.c | 2 +- + gcc/testsuite/gcc.target/i386/ret-thunk-11.c | 2 +- + gcc/testsuite/gcc.target/i386/ret-thunk-12.c | 2 +- + gcc/testsuite/gcc.target/i386/ret-thunk-13.c | 2 +- + gcc/testsuite/gcc.target/i386/ret-thunk-14.c | 2 +- + gcc/testsuite/gcc.target/i386/ret-thunk-15.c | 2 +- + gcc/testsuite/gcc.target/i386/ret-thunk-9.c | 2 +- + 37 files changed, 107 insertions(+), 35 deletions(-) + create mode 100644 gcc/testsuite/gcc.target/i386/indirect-thunk-register-1.c + create mode 100644 gcc/testsuite/gcc.target/i386/indirect-thunk-register-2.c + create mode 100644 gcc/testsuite/gcc.target/i386/indirect-thunk-register-3.c + +diff --git a/gcc/config/i386/constraints.md b/gcc/config/i386/constraints.md +index b662f87..4a4394d 100644 +--- a/gcc/config/i386/constraints.md ++++ b/gcc/config/i386/constraints.md +@@ -153,7 +153,8 @@ + + (define_constraint "w" + "@internal Call memory operand." +- (and (not (match_test "TARGET_X32")) ++ (and (not (match_test "ix86_indirect_branch_register")) ++ (not (match_test "TARGET_X32")) + (match_operand 0 "memory_operand"))) + + (define_constraint "BC" +diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md +index 2d439aa..8a7db41 100644 +--- a/gcc/config/i386/i386.md ++++ b/gcc/config/i386/i386.md +@@ -11157,7 +11157,7 @@ + [(set (pc) (match_operand 0 "indirect_branch_operand"))] + "" + { +- if (TARGET_X32) ++ if (TARGET_X32 || ix86_indirect_branch_register) + operands[0] = convert_memory_address (word_mode, operands[0]); + cfun->machine->has_local_indirect_jump = true; + }) +@@ -11210,7 +11210,7 @@ + OPTAB_DIRECT); + } + +- if (TARGET_X32) ++ if (TARGET_X32 || ix86_indirect_branch_register) + operands[0] = convert_memory_address (word_mode, operands[0]); + cfun->machine->has_local_indirect_jump = true; + }) +diff --git a/gcc/config/i386/i386.opt b/gcc/config/i386/i386.opt +index e456c34..502037b 100644 +--- a/gcc/config/i386/i386.opt ++++ b/gcc/config/i386/i386.opt +@@ -818,3 +818,7 @@ Enum(indirect_branch) String(thunk-inline) Value(indirect_branch_thunk_inline) + + EnumValue + Enum(indirect_branch) String(thunk-extern) Value(indirect_branch_thunk_extern) ++ ++mindirect-branch-register ++Target Report Var(ix86_indirect_branch_register) Init(0) ++Force indirect call and jump via register. +diff --git a/gcc/config/i386/predicates.md b/gcc/config/i386/predicates.md +index 4647cd7..ba654f7 100644 +--- a/gcc/config/i386/predicates.md ++++ b/gcc/config/i386/predicates.md +@@ -590,7 +590,8 @@ + ;; Test for a valid operand for indirect branch. + (define_predicate "indirect_branch_operand" + (ior (match_operand 0 "register_operand") +- (and (not (match_test "TARGET_X32")) ++ (and (not (match_test "ix86_indirect_branch_register")) ++ (not (match_test "TARGET_X32")) + (match_operand 0 "memory_operand")))) + + ;; Test for a valid operand for a call instruction. +@@ -599,7 +600,8 @@ + (ior (match_test "constant_call_address_operand + (op, mode == VOIDmode ? mode : Pmode)") + (match_operand 0 "call_register_no_elim_operand") +- (and (not (match_test "TARGET_X32")) ++ (and (not (match_test "ix86_indirect_branch_register")) ++ (not (match_test "TARGET_X32")) + (match_operand 0 "memory_operand")))) + + ;; Similarly, but for tail calls, in which we cannot allow memory references. +diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi +index 53e18cb..4ed1644 100644 +--- a/gcc/doc/invoke.texi ++++ b/gcc/doc/invoke.texi +@@ -686,7 +686,7 @@ Objective-C and Objective-C++ Dialects}. + -msse2avx -mfentry -m8bit-idiv @gol + -mavx256-split-unaligned-load -mavx256-split-unaligned-store @gol + -mstack-protector-guard=@var{guard} -mindirect-branch=@var{choice} @gol +--mfunction-return=@var{choice}} ++-mfunction-return=@var{choice} -mindirect-branch-register} + + @emph{i386 and x86-64 Windows Options} + @gccoptlist{-mconsole -mcygwin -mno-cygwin -mdll @gol +@@ -15736,6 +15736,10 @@ object file. You can control this behavior for a specific function by + using the function attribute @code{function_return}. + @xref{Function Attributes}. + ++@item -mindirect-branch-register ++@opindex -mindirect-branch-register ++Force indirect call and jump via register. ++ + @end table + + These @samp{-m} switches are supported in addition to the above +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-1.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-1.c +index e7c663f..555d665 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-1.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-1.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=keep -mindirect-branch=thunk -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -mindirect-branch=thunk -fno-pic" } */ + + typedef void (*dispatch_t)(long offset); + +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-2.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-2.c +index daa0855..009732c 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-2.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-2.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=keep -mindirect-branch=thunk -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -mindirect-branch=thunk -fno-pic" } */ + + typedef void (*dispatch_t)(long offset); + +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-3.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-3.c +index 3c0d4c3..9e24a38 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-3.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-3.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=keep -mindirect-branch=thunk -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mno-indirect-branch-register -mno-indirect-branch-register -mfunction-return=keep -mindirect-branch=thunk -fno-pic" } */ + + typedef void (*dispatch_t)(long offset); + +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-4.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-4.c +index 14d4ef6..127b5d9 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-4.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-4.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=keep -mindirect-branch=thunk -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mno-indirect-branch-register -mno-indirect-branch-register -mfunction-return=keep -mindirect-branch=thunk -fno-pic" } */ + + typedef void (*dispatch_t)(long offset); + +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-7.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-7.c +index bc6b47a..17c2d0f 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-7.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-7.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=keep -mindirect-branch=thunk -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -mindirect-branch=thunk -fno-pic" } */ + + void func0 (void); + void func1 (void); +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-attr-1.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-attr-1.c +index 58ea9ab..a3c7e00 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-attr-1.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-attr-1.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=keep -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -fno-pic" } */ + + typedef void (*dispatch_t)(long offset); + +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-attr-2.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-attr-2.c +index 2fb45c6..a8ca60e 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-attr-2.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-attr-2.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=keep -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -fno-pic" } */ + + typedef void (*dispatch_t)(long offset); + +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-attr-3.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-attr-3.c +index f938db0..4aeec18 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-attr-3.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-attr-3.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=keep -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -fno-pic" } */ + + typedef void (*dispatch_t)(long offset); + +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-attr-4.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-attr-4.c +index 4e58599..ac0e599 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-attr-4.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-attr-4.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=keep -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -fno-pic" } */ + + typedef void (*dispatch_t)(long offset); + +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-attr-5.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-attr-5.c +index b8d5024..573cf1e 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-attr-5.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-attr-5.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=keep -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -fno-pic" } */ + + typedef void (*dispatch_t)(long offset); + +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-attr-6.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-attr-6.c +index 455adab..b2b37fc 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-attr-6.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-attr-6.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=keep -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -fno-pic" } */ + + typedef void (*dispatch_t)(long offset); + +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-attr-7.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-attr-7.c +index 4595b84..4a43e19 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-attr-7.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-attr-7.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=keep -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -fno-pic" } */ + + void func0 (void); + void func1 (void); +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-extern-1.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-extern-1.c +index 952dbd4..be19d72 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-extern-1.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-extern-1.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=keep -mindirect-branch=thunk-extern -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -mindirect-branch=thunk-extern -fno-pic" } */ + + typedef void (*dispatch_t)(long offset); + +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-extern-2.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-extern-2.c +index 88fe510..7e761bc 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-extern-2.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-extern-2.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=keep -mindirect-branch=thunk-extern -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -mindirect-branch=thunk-extern -fno-pic" } */ + + typedef void (*dispatch_t)(long offset); + +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-extern-3.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-extern-3.c +index 06ebf1c..d9964c2 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-extern-3.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-extern-3.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=keep -mindirect-branch=thunk-extern -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -mindirect-branch=thunk-extern -fno-pic" } */ + + typedef void (*dispatch_t)(long offset); + +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-extern-4.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-extern-4.c +index 1c8f944..d4dca4d 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-extern-4.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-extern-4.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=keep -mindirect-branch=thunk-extern -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -mindirect-branch=thunk-extern -fno-pic" } */ + + typedef void (*dispatch_t)(long offset); + +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-extern-7.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-extern-7.c +index 86e9fd1..aece938 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-extern-7.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-extern-7.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=keep -mindirect-branch=thunk-extern -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -mindirect-branch=thunk-extern -fno-pic" } */ + + void func0 (void); + void func1 (void); +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-1.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-1.c +index 16b7718..a2d1677 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-1.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-1.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=keep -mindirect-branch=thunk-inline -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -mindirect-branch=thunk-inline -fno-pic" } */ + + typedef void (*dispatch_t)(long offset); + +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-2.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-2.c +index ab164cf..1b93e84 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-2.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-2.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=keep -mindirect-branch=thunk-inline -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -mindirect-branch=thunk-inline -fno-pic" } */ + + typedef void (*dispatch_t)(long offset); + +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-3.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-3.c +index 9540996..2eef6f3 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-3.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-3.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=keep -mindirect-branch=thunk-inline -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -mindirect-branch=thunk-inline -fno-pic" } */ + + typedef void (*dispatch_t)(long offset); + +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-4.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-4.c +index f3db6e2..e825a10 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-4.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-4.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=keep -mindirect-branch=thunk-inline -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -mindirect-branch=thunk-inline -fno-pic" } */ + + typedef void (*dispatch_t)(long offset); + +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-7.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-7.c +index 764a375..c67066c 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-7.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-7.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=keep -mindirect-branch=thunk-inline -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -mindirect-branch=thunk-inline -fno-pic" } */ + + void func0 (void); + void func1 (void); +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-register-1.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-register-1.c +new file mode 100644 +index 0000000..7d396a3 +--- /dev/null ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-register-1.c +@@ -0,0 +1,22 @@ ++/* { dg-do compile } */ ++/* { dg-options "-O2 -mindirect-branch=thunk -mindirect-branch-register -fno-pic" } */ ++ ++typedef void (*dispatch_t)(long offset); ++ ++dispatch_t dispatch; ++ ++void ++male_indirect_jump (long offset) ++{ ++ dispatch(offset); ++} ++ ++/* { dg-final { scan-assembler "jmp\[ \t\]*__x86_indirect_thunk_(r|e)ax" } } */ ++/* { dg-final { scan-assembler "jmp\[ \t\]*\.LIND" } } */ ++/* { dg-final { scan-assembler "call\[ \t\]*\.LIND" } } */ ++/* { dg-final { scan-assembler "mov\[ \t\](%eax|%rax), \\((%esp|%rsp)\\)" } } */ ++/* { dg-final { scan-assembler {\tpause} } } */ ++/* { dg-final { scan-assembler-not "push(?:l|q)\[ \t\]*_?dispatch" } } */ ++/* { dg-final { scan-assembler-not "pushq\[ \t\]%rax" } } */ ++/* { dg-final { scan-assembler-not "__x86_indirect_thunk\n" } } */ ++/* { dg-final { scan-assembler-not "__x86_indirect_thunk_bnd\n" } } */ +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-register-2.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-register-2.c +new file mode 100644 +index 0000000..e7e616b +--- /dev/null ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-register-2.c +@@ -0,0 +1,20 @@ ++/* { dg-do compile } */ ++/* { dg-options "-O2 -mindirect-branch=thunk-inline -mindirect-branch-register -fno-pic" } */ ++ ++typedef void (*dispatch_t)(long offset); ++ ++dispatch_t dispatch; ++ ++void ++male_indirect_jump (long offset) ++{ ++ dispatch(offset); ++} ++ ++/* { dg-final { scan-assembler "jmp\[ \t\]*\.LIND" } } */ ++/* { dg-final { scan-assembler "call\[ \t\]*\.LIND" } } */ ++/* { dg-final { scan-assembler "mov\[ \t\](%eax|%rax), \\((%esp|%rsp)\\)" } } */ ++/* { dg-final { scan-assembler {\tpause} } } */ ++/* { dg-final { scan-assembler-not "push(?:l|q)\[ \t\]*_?dispatch" } } */ ++/* { dg-final { scan-assembler-not "pushq\[ \t\]%rax" } } */ ++/* { dg-final { scan-assembler-not "__x86_indirect_thunk" } } */ +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-register-3.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-register-3.c +new file mode 100644 +index 0000000..5320e92 +--- /dev/null ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-register-3.c +@@ -0,0 +1,19 @@ ++/* { dg-do compile } */ ++/* { dg-options "-O2 -mindirect-branch=thunk-extern -mindirect-branch-register -fno-pic" } */ ++ ++typedef void (*dispatch_t)(long offset); ++ ++dispatch_t dispatch; ++ ++void ++male_indirect_jump (long offset) ++{ ++ dispatch(offset); ++} ++ ++/* { dg-final { scan-assembler "jmp\[ \t\]*__x86_indirect_thunk_(r|e)ax" } } */ ++/* { dg-final { scan-assembler-not "push(?:l|q)\[ \t\]*_?dispatch" } } */ ++/* { dg-final { scan-assembler-not "pushq\[ \t\]%rax" } } */ ++/* { dg-final { scan-assembler-not {\t(pause|pause|nop)} } } */ ++/* { dg-final { scan-assembler-not "jmp\[ \t\]*\.LIND" } } */ ++/* { dg-final { scan-assembler-not "call\[ \t\]*\.LIND" } } */ +diff --git a/gcc/testsuite/gcc.target/i386/ret-thunk-10.c b/gcc/testsuite/gcc.target/i386/ret-thunk-10.c +index 3a6727b..e6fea84 100644 +--- a/gcc/testsuite/gcc.target/i386/ret-thunk-10.c ++++ b/gcc/testsuite/gcc.target/i386/ret-thunk-10.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=thunk-inline -mindirect-branch=thunk -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mno-indirect-branch-register -mfunction-return=thunk-inline -mindirect-branch=thunk -fno-pic" } */ + + extern void (*bar) (void); + +diff --git a/gcc/testsuite/gcc.target/i386/ret-thunk-11.c b/gcc/testsuite/gcc.target/i386/ret-thunk-11.c +index b8f6818..e239ec4 100644 +--- a/gcc/testsuite/gcc.target/i386/ret-thunk-11.c ++++ b/gcc/testsuite/gcc.target/i386/ret-thunk-11.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=thunk-extern -mindirect-branch=thunk -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mno-indirect-branch-register -mno-indirect-branch-register -mno-indirect-branch-register -mfunction-return=thunk-extern -mindirect-branch=thunk -fno-pic" } */ + + extern void (*bar) (void); + +diff --git a/gcc/testsuite/gcc.target/i386/ret-thunk-12.c b/gcc/testsuite/gcc.target/i386/ret-thunk-12.c +index 01b0a02..fa31813 100644 +--- a/gcc/testsuite/gcc.target/i386/ret-thunk-12.c ++++ b/gcc/testsuite/gcc.target/i386/ret-thunk-12.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=keep -mindirect-branch=thunk -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mno-indirect-branch-register -mno-indirect-branch-register -mno-indirect-branch-register -mfunction-return=keep -mindirect-branch=thunk -fno-pic" } */ + + extern void (*bar) (void); + +diff --git a/gcc/testsuite/gcc.target/i386/ret-thunk-13.c b/gcc/testsuite/gcc.target/i386/ret-thunk-13.c +index 4b497b5..fd5b41f 100644 +--- a/gcc/testsuite/gcc.target/i386/ret-thunk-13.c ++++ b/gcc/testsuite/gcc.target/i386/ret-thunk-13.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=keep -mindirect-branch=thunk-inline -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -mindirect-branch=thunk-inline -fno-pic" } */ + + extern void (*bar) (void); + extern int foo (void) __attribute__ ((function_return("thunk"))); +diff --git a/gcc/testsuite/gcc.target/i386/ret-thunk-14.c b/gcc/testsuite/gcc.target/i386/ret-thunk-14.c +index 4ae4c44..d606373 100644 +--- a/gcc/testsuite/gcc.target/i386/ret-thunk-14.c ++++ b/gcc/testsuite/gcc.target/i386/ret-thunk-14.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=keep -mindirect-branch=thunk-extern -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -mindirect-branch=thunk-extern -fno-pic" } */ + + extern void (*bar) (void); + +diff --git a/gcc/testsuite/gcc.target/i386/ret-thunk-15.c b/gcc/testsuite/gcc.target/i386/ret-thunk-15.c +index 5b5bc76..75e45e2 100644 +--- a/gcc/testsuite/gcc.target/i386/ret-thunk-15.c ++++ b/gcc/testsuite/gcc.target/i386/ret-thunk-15.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=keep -mindirect-branch=keep -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mno-indirect-branch-register -mno-indirect-branch-register -mno-indirect-branch-register -mfunction-return=keep -mindirect-branch=keep -fno-pic" } */ + + extern void (*bar) (void); + +diff --git a/gcc/testsuite/gcc.target/i386/ret-thunk-9.c b/gcc/testsuite/gcc.target/i386/ret-thunk-9.c +index fa24a1f..d1db41c 100644 +--- a/gcc/testsuite/gcc.target/i386/ret-thunk-9.c ++++ b/gcc/testsuite/gcc.target/i386/ret-thunk-9.c +@@ -1,5 +1,5 @@ + /* { dg-do compile } */ +-/* { dg-options "-O2 -mfunction-return=thunk -mindirect-branch=thunk -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mno-indirect-branch-register -mfunction-return=thunk -mindirect-branch=thunk -fno-pic" } */ + + extern void (*bar) (void); + +-- +2.7.4 + |