diff options
Diffstat (limited to 'gcc/config/arm/arm.md')
| -rw-r--r-- | gcc/config/arm/arm.md | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/gcc/config/arm/arm.md b/gcc/config/arm/arm.md index 43a9f1fef3f..7c80f91fb94 100644 --- a/gcc/config/arm/arm.md +++ b/gcc/config/arm/arm.md @@ -76,7 +76,7 @@ ; that points at the containing instruction. UNSPEC_PRLG_STK ; A special barrier that prevents frame accesses ; being scheduled before the stack adjustment insn. - UNSPEC_PROLOGUE_USE ; As USE insns are not meaningful after reload, + UNSPEC_REGISTER_USE ; As USE insns are not meaningful after reload, ; this unspec is used to prevent the deletion of ; instructions setting registers for EH handling ; and stack frame generation. Operand 0 is the @@ -10610,7 +10610,7 @@ "TARGET_EITHER" " if (crtl->calls_eh_return) - emit_insn (gen_prologue_use (gen_rtx_REG (Pmode, 2))); + emit_insn (gen_force_register_use (gen_rtx_REG (Pmode, 2))); if (TARGET_THUMB1) { thumb1_expand_epilogue (); @@ -10644,7 +10644,7 @@ ;; does not think that it is unused by the sibcall branch that ;; will replace the standard function epilogue. (define_expand "sibcall_epilogue" - [(parallel [(unspec:SI [(reg:SI LR_REGNUM)] UNSPEC_PROLOGUE_USE) + [(parallel [(unspec:SI [(reg:SI LR_REGNUM)] UNSPEC_REGISTER_USE) (unspec_volatile [(return)] VUNSPEC_EPILOGUE)])] "TARGET_32BIT" " @@ -11260,10 +11260,10 @@ "" ) -(define_insn "prologue_use" - [(unspec:SI [(match_operand:SI 0 "register_operand" "")] UNSPEC_PROLOGUE_USE)] +(define_insn "force_register_use" + [(unspec:SI [(match_operand:SI 0 "register_operand" "")] UNSPEC_REGISTER_USE)] "" - "%@ %0 needed for prologue" + "%@ %0 needed" [(set_attr "length" "0")] ) @@ -11355,6 +11355,16 @@ (set_attr "length" "4")] ) +;; For thread pointer builtin +(define_expand "get_thread_pointersi" + [(match_operand:SI 0 "s_register_operand" "=r")] + "" + " + { + arm_load_tp (operands[0]); + DONE; + }") + ;; ;; We only care about the lower 16 bits of the constant |