Hello!
We have to pass word_mode (DImode for x86_64 target) call operand to
ix86_output_call_insn, otherwise invalid DWORD_PTR prefixed address is
generated in x32 case.
2016-05-12 Uros Bizjak <ubiz...@gmail.com>
* config/i386/i386.md (*call_got_x32): Change operand 0 to
DImode before it is passed to ix86_output_call_operand.
(*call_value_got_x32): Ditto for operand 1.
Patch was bootstrapped and regression tested on x86_64-linux-gnu {,-m32}.
Committed to mainline SVN.
Uros.
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index 9bd19ab..f6bb69b 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -11934,7 +11934,10 @@
(match_operand:SI 0 "GOT_memory_operand" "Bg")))
(match_operand 1))]
"TARGET_X32"
- "* return ix86_output_call_insn (insn, operands[0]);"
+{
+ rtx fnaddr = gen_const_mem (DImode, XEXP (operands[0], 0));
+ return ix86_output_call_insn (insn, fnaddr);
+}
[(set_attr "type" "call")])
;; Since sibcall never returns, we can only use call-clobbered register
@@ -12127,7 +12130,10 @@
(match_operand:SI 1 "GOT_memory_operand" "Bg")))
(match_operand 2)))]
"TARGET_X32"
- "* return ix86_output_call_insn (insn, operands[1]);"
+{
+ rtx fnaddr = gen_const_mem (DImode, XEXP (operands[1], 0));
+ return ix86_output_call_insn (insn, fnaddr);
+}
[(set_attr "type" "callv")])
;; Since sibcall never returns, we can only use call-clobbered register
