diff options
Diffstat (limited to 'community/gcc6/0006-x86-Add-mindirect-branch-register.patch')
-rw-r--r-- | community/gcc6/0006-x86-Add-mindirect-branch-register.patch | 941 |
1 files changed, 941 insertions, 0 deletions
diff --git a/community/gcc6/0006-x86-Add-mindirect-branch-register.patch b/community/gcc6/0006-x86-Add-mindirect-branch-register.patch new file mode 100644 index 0000000000..111e6e43d4 --- /dev/null +++ b/community/gcc6/0006-x86-Add-mindirect-branch-register.patch @@ -0,0 +1,941 @@ +From 61bb7f0e152ce5be700a44007d036ea0de4b254d 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 06/13] 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-5.c: Likewise. + * gcc.target/i386/indirect-thunk-6.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-bnd-1.c: Likewise. + * gcc.target/i386/indirect-thunk-bnd-2.c: Likewise. + * gcc.target/i386/indirect-thunk-bnd-3.c: Likewise. + * gcc.target/i386/indirect-thunk-bnd-4.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-5.c: Likewise. + * gcc.target/i386/indirect-thunk-extern-6.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-5.c: Likewise. + * gcc.target/i386/indirect-thunk-inline-6.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 | 6 ++-- + gcc/config/i386/i386.md | 34 ++++++++++++++-------- + gcc/config/i386/i386.opt | 4 +++ + gcc/config/i386/predicates.md | 21 +++++++------ + 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-5.c | 2 +- + gcc/testsuite/gcc.target/i386/indirect-thunk-6.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-bnd-1.c | 2 +- + .../gcc.target/i386/indirect-thunk-bnd-2.c | 2 +- + .../gcc.target/i386/indirect-thunk-bnd-3.c | 2 +- + .../gcc.target/i386/indirect-thunk-bnd-4.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-5.c | 2 +- + .../gcc.target/i386/indirect-thunk-extern-6.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-5.c | 2 +- + .../gcc.target/i386/indirect-thunk-inline-6.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 +- + 47 files changed, 147 insertions(+), 63 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 1a4c701ad13..9204c8e8487 100644 +--- a/gcc/config/i386/constraints.md ++++ b/gcc/config/i386/constraints.md +@@ -172,14 +172,16 @@ + + (define_constraint "Bs" + "@internal Sibcall memory operand." +- (ior (and (not (match_test "TARGET_X32")) ++ (ior (and (not (match_test "ix86_indirect_branch_register")) ++ (not (match_test "TARGET_X32")) + (match_operand 0 "sibcall_memory_operand")) + (and (match_test "TARGET_X32 && Pmode == DImode") + (match_operand 0 "GOT_memory_operand")))) + + (define_constraint "Bw" + "@internal Call memory operand." +- (ior (and (not (match_test "TARGET_X32")) ++ (ior (and (not (match_test "ix86_indirect_branch_register")) ++ (not (match_test "TARGET_X32")) + (match_operand 0 "memory_operand")) + (and (match_test "TARGET_X32 && Pmode == DImode") + (match_operand 0 "GOT_memory_operand")))) +diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md +index 2da671e9f2d..05a88fff356 100644 +--- a/gcc/config/i386/i386.md ++++ b/gcc/config/i386/i386.md +@@ -11805,7 +11805,7 @@ + [(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; + }) +@@ -11859,7 +11859,7 @@ + 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; + }) +@@ -12048,7 +12048,7 @@ + [(call (mem:QI (match_operand:W 0 "memory_operand" "m")) + (match_operand 1)) + (unspec [(const_int 0)] UNSPEC_PEEPSIB)] +- "!TARGET_X32" ++ "!TARGET_X32 && !ix86_indirect_branch_register" + "* return ix86_output_call_insn (insn, operands[0]);" + [(set_attr "type" "call")]) + +@@ -12057,7 +12057,9 @@ + (match_operand:W 1 "memory_operand")) + (call (mem:QI (match_dup 0)) + (match_operand 3))] +- "!TARGET_X32 && SIBLING_CALL_P (peep2_next_insn (1)) ++ "!TARGET_X32 ++ && !ix86_indirect_branch_register ++ && SIBLING_CALL_P (peep2_next_insn (1)) + && !reg_mentioned_p (operands[0], + CALL_INSN_FUNCTION_USAGE (peep2_next_insn (1)))" + [(parallel [(call (mem:QI (match_dup 1)) +@@ -12070,7 +12072,9 @@ + (unspec_volatile [(const_int 0)] UNSPECV_BLOCKAGE) + (call (mem:QI (match_dup 0)) + (match_operand 3))] +- "!TARGET_X32 && SIBLING_CALL_P (peep2_next_insn (2)) ++ "!TARGET_X32 ++ && !ix86_indirect_branch_register ++ && SIBLING_CALL_P (peep2_next_insn (2)) + && !reg_mentioned_p (operands[0], + CALL_INSN_FUNCTION_USAGE (peep2_next_insn (2)))" + [(unspec_volatile [(const_int 0)] UNSPECV_BLOCKAGE) +@@ -12092,7 +12096,7 @@ + }) + + (define_insn "*call_pop" +- [(call (mem:QI (match_operand:SI 0 "call_insn_operand" "lmBz")) ++ [(call (mem:QI (match_operand:SI 0 "call_insn_operand" "lBwBz")) + (match_operand 1)) + (set (reg:SI SP_REG) + (plus:SI (reg:SI SP_REG) +@@ -12112,7 +12116,7 @@ + [(set_attr "type" "call")]) + + (define_insn "*sibcall_pop_memory" +- [(call (mem:QI (match_operand:SI 0 "memory_operand" "m")) ++ [(call (mem:QI (match_operand:SI 0 "memory_operand" "Bs")) + (match_operand 1)) + (set (reg:SI SP_REG) + (plus:SI (reg:SI SP_REG) +@@ -12166,7 +12170,9 @@ + [(set (match_operand:W 0 "register_operand") + (match_operand:W 1 "memory_operand")) + (set (pc) (match_dup 0))] +- "!TARGET_X32 && peep2_reg_dead_p (2, operands[0])" ++ "!TARGET_X32 ++ && !ix86_indirect_branch_register ++ && peep2_reg_dead_p (2, operands[0])" + [(set (pc) (match_dup 1))]) + + ;; Call subroutine, returning value in operand 0 +@@ -12244,7 +12250,7 @@ + (call (mem:QI (match_operand:W 1 "memory_operand" "m")) + (match_operand 2))) + (unspec [(const_int 0)] UNSPEC_PEEPSIB)] +- "!TARGET_X32" ++ "!TARGET_X32 && !ix86_indirect_branch_register" + "* return ix86_output_call_insn (insn, operands[1]);" + [(set_attr "type" "callv")]) + +@@ -12254,7 +12260,9 @@ + (set (match_operand 2) + (call (mem:QI (match_dup 0)) + (match_operand 3)))] +- "!TARGET_X32 && SIBLING_CALL_P (peep2_next_insn (1)) ++ "!TARGET_X32 ++ && !ix86_indirect_branch_register ++ && SIBLING_CALL_P (peep2_next_insn (1)) + && !reg_mentioned_p (operands[0], + CALL_INSN_FUNCTION_USAGE (peep2_next_insn (1)))" + [(parallel [(set (match_dup 2) +@@ -12269,7 +12277,9 @@ + (set (match_operand 2) + (call (mem:QI (match_dup 0)) + (match_operand 3)))] +- "!TARGET_X32 && SIBLING_CALL_P (peep2_next_insn (2)) ++ "!TARGET_X32 ++ && !ix86_indirect_branch_register ++ && SIBLING_CALL_P (peep2_next_insn (2)) + && !reg_mentioned_p (operands[0], + CALL_INSN_FUNCTION_USAGE (peep2_next_insn (2)))" + [(unspec_volatile [(const_int 0)] UNSPECV_BLOCKAGE) +@@ -12294,7 +12304,7 @@ + + (define_insn "*call_value_pop" + [(set (match_operand 0) +- (call (mem:QI (match_operand:SI 1 "call_insn_operand" "lmBz")) ++ (call (mem:QI (match_operand:SI 1 "call_insn_operand" "lBwBz")) + (match_operand 2))) + (set (reg:SI SP_REG) + (plus:SI (reg:SI SP_REG) +diff --git a/gcc/config/i386/i386.opt b/gcc/config/i386/i386.opt +index ad5916fb643..a97f84f68f2 100644 +--- a/gcc/config/i386/i386.opt ++++ b/gcc/config/i386/i386.opt +@@ -921,3 +921,7 @@ 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 93dda7bb0e7..d1f0a7dbf61 100644 +--- a/gcc/config/i386/predicates.md ++++ b/gcc/config/i386/predicates.md +@@ -593,7 +593,8 @@ + ;; 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")))) + + ;; Return true if OP is a memory operands that can be used in sibcalls. +@@ -636,20 +637,22 @@ + (ior (match_test "constant_call_address_operand + (op, mode == VOIDmode ? mode : Pmode)") + (match_operand 0 "call_register_no_elim_operand") +- (ior (and (not (match_test "TARGET_X32")) +- (match_operand 0 "memory_operand")) +- (and (match_test "TARGET_X32 && Pmode == DImode") +- (match_operand 0 "GOT_memory_operand"))))) ++ (and (not (match_test "ix86_indirect_branch_register")) ++ (ior (and (not (match_test "TARGET_X32")) ++ (match_operand 0 "memory_operand")) ++ (and (match_test "TARGET_X32 && Pmode == DImode") ++ (match_operand 0 "GOT_memory_operand")))))) + + ;; Similarly, but for tail calls, in which we cannot allow memory references. + (define_special_predicate "sibcall_insn_operand" + (ior (match_test "constant_call_address_operand + (op, mode == VOIDmode ? mode : Pmode)") + (match_operand 0 "register_no_elim_operand") +- (ior (and (not (match_test "TARGET_X32")) +- (match_operand 0 "sibcall_memory_operand")) +- (and (match_test "TARGET_X32 && Pmode == DImode") +- (match_operand 0 "GOT_memory_operand"))))) ++ (and (not (match_test "ix86_indirect_branch_register")) ++ (ior (and (not (match_test "TARGET_X32")) ++ (match_operand 0 "sibcall_memory_operand")) ++ (and (match_test "TARGET_X32 && Pmode == DImode") ++ (match_operand 0 "GOT_memory_operand")))))) + + ;; Return true if OP is a 32-bit GOT symbol operand. + (define_predicate "GOT32_symbol_operand" +diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi +index 337a761015a..94374661f2d 100644 +--- a/gcc/doc/invoke.texi ++++ b/gcc/doc/invoke.texi +@@ -1170,7 +1170,7 @@ See RS/6000 and PowerPC Options. + -mavx256-split-unaligned-load -mavx256-split-unaligned-store @gol + -malign-data=@var{type} -mstack-protector-guard=@var{guard} @gol + -mmitigate-rop -mindirect-branch=@var{choice} @gol +--mfunction-return=@var{choice}} ++-mfunction-return=@var{choice} -mindirect-branch-register} + + @emph{x86 Windows Options} + @gccoptlist{-mconsole -mcygwin -mno-cygwin -mdll @gol +@@ -24253,6 +24253,10 @@ 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 e365ef5698a..60d09881a99 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 05a51ad9157..aac75163794 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 3c0d4c39f0b..9e24a385387 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 14d4ef6dd98..127b5d94523 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-5.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-5.c +index b4836c38d6c..fcaa18d10b7 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-5.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-5.c +@@ -1,5 +1,5 @@ + /* { dg-do compile { target *-*-linux* } } */ +-/* { dg-options "-O2 -mfunction-return=keep -fpic -fno-plt -mindirect-branch=thunk" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -fpic -fno-plt -mindirect-branch=thunk" } */ + + extern void bar (void); + +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-6.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-6.c +index 1f06bd1af74..e4649283d10 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-6.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-6.c +@@ -1,5 +1,5 @@ + /* { dg-do compile { target *-*-linux* } } */ +-/* { dg-options "-O2 -mfunction-return=keep -fpic -fno-plt -mindirect-branch=thunk" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mno-indirect-branch-register -mno-indirect-branch-register -mfunction-return=keep -fpic -fno-plt -mindirect-branch=thunk" } */ + + extern void bar (void); + +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-7.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-7.c +index bc6b47a636e..17c2d0faf88 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 2257be3affa..9194ccf3cbc 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 e9cfdc5879e..e51f261a612 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 f938db050f7..4aeec1833cd 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 4e58599692a..ac0e5999f63 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 b8d50249d8b..573cf1ef09e 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 455adabfe0e..b2b37fc6e2e 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 4595b841ec0..4a43e199931 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-bnd-1.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-bnd-1.c +index 5e3e118e9bd..ac84ab623fa 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-bnd-1.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-bnd-1.c +@@ -1,5 +1,5 @@ + /* { dg-do compile { target { ! x32 } } } */ +-/* { dg-options "-O2 -mfunction-return=keep -mindirect-branch=thunk -fcheck-pointer-bounds -mmpx -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -mindirect-branch=thunk -fcheck-pointer-bounds -mmpx -fno-pic" } */ + + void (*dispatch) (char *); + char buf[10]; +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-bnd-2.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-bnd-2.c +index 2801aa4192e..ce655e8be1c 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-bnd-2.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-bnd-2.c +@@ -1,5 +1,5 @@ + /* { dg-do compile { target { ! x32 } } } */ +-/* { dg-options "-O2 -mfunction-return=keep -mindirect-branch=thunk -fcheck-pointer-bounds -mmpx -fno-pic" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -mindirect-branch=thunk -fcheck-pointer-bounds -mmpx -fno-pic" } */ + + void (*dispatch) (char *); + char buf[10]; +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-bnd-3.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-bnd-3.c +index 70b4fb36eea..d34485a0010 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-bnd-3.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-bnd-3.c +@@ -1,5 +1,5 @@ + /* { dg-do compile { target { *-*-linux* && { ! x32 } } } } */ +-/* { dg-options "-O2 -mfunction-return=keep -mindirect-branch=thunk -fcheck-pointer-bounds -mmpx -fpic -fno-plt" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -mindirect-branch=thunk -fcheck-pointer-bounds -mmpx -fpic -fno-plt" } */ + + void bar (char *); + char buf[10]; +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-bnd-4.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-bnd-4.c +index 3baf03ee77c..0e19830de4d 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-bnd-4.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-bnd-4.c +@@ -1,5 +1,5 @@ + /* { dg-do compile { target { *-*-linux* && { ! x32 } } } } */ +-/* { dg-options "-O2 -mfunction-return=keep -mindirect-branch=thunk -fcheck-pointer-bounds -mmpx -fpic -fno-plt" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mno-indirect-branch-register -mfunction-return=keep -mindirect-branch=thunk -fcheck-pointer-bounds -mmpx -fpic -fno-plt" } */ + + void bar (char *); + char buf[10]; +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 edeb264218c..579441f250e 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 1d00413a76a..c92e6f2b02d 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 06ebf1c9063..d9964c25bbd 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 1c8f9446636..d4dca4dc5fe 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-5.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-extern-5.c +index 21740ac5b7f..5c07e02df6a 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-extern-5.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-extern-5.c +@@ -1,5 +1,5 @@ + /* { dg-do compile { target *-*-linux* } } */ +-/* { dg-options "-O2 -mfunction-return=keep -fpic -fno-plt -mindirect-branch=thunk-extern" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -fpic -fno-plt -mindirect-branch=thunk-extern" } */ + + extern void bar (void); + +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-extern-6.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-extern-6.c +index a77c1f470b8..3eb440693a0 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-extern-6.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-extern-6.c +@@ -1,5 +1,5 @@ + /* { dg-do compile { target *-*-linux* } } */ +-/* { dg-options "-O2 -mfunction-return=keep -fpic -fno-plt -mindirect-branch=thunk-extern" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -fpic -fno-plt -mindirect-branch=thunk-extern" } */ + + extern void bar (void); + +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 86e9fd1f1e4..aece9383697 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 3ecde878867..3aba5e8c81f 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 df32a19a2b5..0f0181d6672 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 9540996de01..2eef6f35a75 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 f3db6e2441f..e825a10f14c 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-5.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-5.c +index 0f687c3b027..c6d77e10352 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-5.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-5.c +@@ -1,5 +1,5 @@ + /* { dg-do compile { target *-*-linux* } } */ +-/* { dg-options "-O2 -mfunction-return=keep -fpic -fno-plt -mindirect-branch=thunk-inline" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -fpic -fno-plt -mindirect-branch=thunk-inline" } */ + + extern void bar (void); + +diff --git a/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-6.c b/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-6.c +index b27c6fc96a2..6454827b780 100644 +--- a/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-6.c ++++ b/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-6.c +@@ -1,5 +1,5 @@ + /* { dg-do compile { target *-*-linux* } } */ +-/* { dg-options "-O2 -mfunction-return=keep -fpic -fno-plt -mindirect-branch=thunk-inline" } */ ++/* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -fpic -fno-plt -mindirect-branch=thunk-inline" } */ + + extern void bar (void); + +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 764a375fc37..c67066cf197 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 00000000000..7d396a31953 +--- /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 00000000000..e7e616bb271 +--- /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 00000000000..5320e923be2 +--- /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 3a6727b5c54..e6fea84a4d9 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 b8f68188313..e239ec4542f 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 01b0a02f80b..fa3181303c9 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 4b497b5f8af..fd5b41fdd3f 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 4ae4c44a3fd..d606373ead1 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 5b5bc765a7e..75e45e226b8 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 fa24a1f7365..d1db41cc128 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); + +-- +2.16.3 + |