diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 9 | ||||
| -rw-r--r-- | gcc/config/i386/i386.md | 9 |
2 files changed, 15 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0fd40b5da8d..abb54a8972f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,10 +1,17 @@ +2014-01-18 Uros Bizjak <ubizjak@gmail.com> + H.J. Lu <hongjiu.lu@intel.com> + + PR target/59379 + * config/i386/i386.md (*lea<mode>): Zero-extend return register + to DImode for zero-extended addresses. + 2014-01-19 Jakub Jelinek <jakub@redhat.com> PR rtl-optimization/57763 * bb-reorder.c (fix_crossing_unconditional_branches): Set JUMP_LABEL on the new indirect jump_insn and increment LABEL_NUSES (label). -2014-01-18 H.J. Lu <hongjiu.lu@intel.com> +2014-01-18 H.J. Lu <hongjiu.lu@intel.com> PR bootstrap/59580 PR bootstrap/59583 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>mode) + emit_insn (gen_zero_extendsidi2 + (operands[0], gen_lowpart ((mode), operands[0]))); + DONE; } [(set_attr "type" "lea") |