diff options
| author | Uros Bizjak <ubizjak@gmail.com> | 2014-01-20 18:59:14 +0100 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2014-01-20 18:59:14 +0100 |
| commit | 3e7291458b963d37a9253cd5319ec50d292d5e72 (patch) | |
| tree | b628358572e088a7006cddd911df7ddaace9f7c1 /gcc/config | |
| parent | ef132d593eb8b2423687ea820f01c4539c9f7151 (diff) | |
| download | gcc-3e7291458b963d37a9253cd5319ec50d292d5e72.zip gcc-3e7291458b963d37a9253cd5319ec50d292d5e72.tar.gz gcc-3e7291458b963d37a9253cd5319ec50d292d5e72.tar.bz2 | |
i386.c (ix86_avoid_lea_for_addr): Return false for SImode_address_operand operands, having only a REG argument.
* config/i386/i386.c (ix86_avoid_lea_for_addr): Return false
for SImode_address_operand operands, having only a REG argument.
From-SVN: r206847
Diffstat (limited to 'gcc/config')
| -rw-r--r-- | gcc/config/i386/i386.c | 13 | ||||
| -rw-r--r-- | gcc/config/i386/i386.md | 2 |
2 files changed, 7 insertions, 8 deletions
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 9991c30..1a4d568 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -18160,17 +18160,16 @@ ix86_avoid_lea_for_addr (rtx insn, rtx operands[]) return false; /* The "at least two components" test below might not catch simple - *mov[sd]i_internal or *zero_extendsidi2 insns if parts.base is - non-NULL and parts.disp is const0_rtx as the only components in - the address, e.g. if the register is %rbp or %r13. As this - test is much cheaper and moves or zero extensions are the common - case, do this check first. */ + move or zero extension insns if parts.base is non-NULL and parts.disp + is const0_rtx as the only components in the address, e.g. if the + register is %rbp or %r13. As this test is much cheaper and moves or + zero extensions are the common case, do this check first. */ if (REG_P (operands[1]) - || (GET_CODE (operands[1]) == ZERO_EXTEND + || (SImode_address_operand (operands[1], VOIDmode) && REG_P (XEXP (operands[1], 0)))) return false; - /* Check it is correct to split here. */ + /* Check if it is OK to split here. */ if (!ix86_ok_to_clobber_flags (insn)) return false; diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index 603fd8a..53edacf 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -5437,7 +5437,7 @@ /* 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]))); + (operands[0], gen_lowpart (mode, operands[0]))); DONE; } |