From 506a92bc8eff685c64eebbe861a30aedf2c380fb Mon Sep 17 00:00:00 2001 From: uros Date: Sun, 19 Jan 2014 15:48:14 +0000 Subject: PR target/59379 * config/i386/i386.md (*lea): Zero-extend return register to DImode for zero-extended addresses. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@206774 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/config/i386/i386.md | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'gcc/config/i386') diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index e30f389be1d..603fd8a616b 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -5428,12 +5428,17 @@ operands[0] = SET_DEST (pat); operands[1] = SET_SRC (pat); - /* Emit all operations in SImode for zero-extended addresses. Recall - that x86_64 inheretly zero-extends SImode operations to DImode. */ + /* Emit all operations in SImode for zero-extended addresses. */ if (SImode_address_operand (operands[1], VOIDmode)) mode = SImode; ix86_split_lea_for_addr (curr_insn, operands, mode); + + /* Zero-extend return register to DImode for zero-extended addresses. */ + if (mode != mode) + emit_insn (gen_zero_extendsidi2 + (operands[0], gen_lowpart ((mode), operands[0]))); + DONE; } [(set_attr "type" "lea") -- cgit v1.2.1