Re: [PATCH 07/10] addr32: Use word_mode instead of Pmode in loop expand
On Sun, Mar 11, 2012 at 2:06 AM, H.J. Lu hjl.to...@gmail.com wrote: On Thu, Mar 8, 2012 at 3:22 AM, Uros Bizjak ubiz...@gmail.com wrote: On Fri, Mar 2, 2012 at 10:02 PM, H.J. Lu hongjiu...@intel.com wrote: This patches uses word_mode instead of Pmode in loop expand since word_mode may have bigger size than Pmode. OK for trunk? Thanks. H.J. --- 2012-03-02 H.J. Lu hongjiu...@intel.com * config/i386/i386.c (ix86_expand_movmem): Use word_mode instead of Pmode on loop. (ix86_expand_setmem): Likwise. Jan, can you please comment on the changes in this patch? Here is a complete updated patch to use word_mode in ix86_expand_movmem and ix86_expand_setmem. It also fixes ix86_zero_extend_to_Pmode to handle Pmode != DImode. OK for trunk? Please rewrite ix86_zero_extend_to_Pmode to something like: rtx tmp; if (GET_MODE (exp) != Pmode) tmp = convert_to_mode (Pmode, exp, 1); return force_reg (Pmode, tmp)); Yes, the patch looks OK with this change. Thanks, Honza
Re: [PATCH 07/10] addr32: Use word_mode instead of Pmode in loop expand
On Sun, Mar 11, 2012 at 2:06 AM, H.J. Lu hjl.to...@gmail.com wrote: On Thu, Mar 8, 2012 at 3:22 AM, Uros Bizjak ubiz...@gmail.com wrote: On Fri, Mar 2, 2012 at 10:02 PM, H.J. Lu hongjiu...@intel.com wrote: This patches uses word_mode instead of Pmode in loop expand since word_mode may have bigger size than Pmode. OK for trunk? Thanks. H.J. --- 2012-03-02 H.J. Lu hongjiu...@intel.com * config/i386/i386.c (ix86_expand_movmem): Use word_mode instead of Pmode on loop. (ix86_expand_setmem): Likwise. Jan, can you please comment on the changes in this patch? Here is a complete updated patch to use word_mode in ix86_expand_movmem and ix86_expand_setmem. It also fixes ix86_zero_extend_to_Pmode to handle Pmode != DImode. OK for trunk? Please rewrite ix86_zero_extend_to_Pmode to something like: rtx tmp; if (GET_MODE (exp) != Pmode) tmp = convert_to_mode (Pmode, exp, 1); return force_reg (Pmode, tmp)); Uros.
Re: [PATCH 07/10] addr32: Use word_mode instead of Pmode in loop expand
On Sun, Mar 11, 2012 at 3:30 PM, Uros Bizjak ubiz...@gmail.com wrote:
This patches uses word_mode instead of Pmode in loop expand since
word_mode may have bigger size than Pmode. OK for trunk?
Thanks.
H.J.
---
2012-03-02 H.J. Lu hongjiu...@intel.com
* config/i386/i386.c (ix86_expand_movmem): Use word_mode instead
of Pmode on loop.
(ix86_expand_setmem): Likwise.
Jan, can you please comment on the changes in this patch?
Here is a complete updated patch to use word_mode in ix86_expand_movmem
and ix86_expand_setmem. It also fixes ix86_zero_extend_to_Pmode to handle
Pmode != DImode. OK for trunk?
Please rewrite ix86_zero_extend_to_Pmode to something like:
rtx tmp;
if (GET_MODE (exp) != Pmode)
tmp = convert_to_mode (Pmode, exp, 1);
return force_reg (Pmode, tmp));
I am testing attached patch:
2012-03-11 Uros Bizjak ubiz...@gmail.com
* config/i386/i386.c (ix86_zero_extend_to_Pmode): Rewrite using
convert_to_mode.
(ix86_expand_call): Use force_reg istead of copy_to_mode_reg.
Uros.
Uros.
Index: i386.c
===
--- i386.c (revision 185193)
+++ i386.c (working copy)
@@ -21025,14 +21025,9 @@ ix86_adjust_counter (rtx countreg, HOST_WIDE_INT v
rtx
ix86_zero_extend_to_Pmode (rtx exp)
{
- rtx r;
- if (GET_MODE (exp) == VOIDmode)
-return force_reg (Pmode, exp);
- if (GET_MODE (exp) == Pmode)
-return copy_to_mode_reg (Pmode, exp);
- r = gen_reg_rtx (Pmode);
- emit_insn (gen_zero_extendsidi2 (r, exp));
- return r;
+ if (GET_MODE (exp) != Pmode)
+exp = convert_to_mode (Pmode, exp, 1);
+ return force_reg (Pmode, exp);
}
/* Divide COUNTREG by SCALE. */
@@ -22996,7 +22991,7 @@ ix86_expand_call (rtx retval, rtx fnaddr, rtx call
fnaddr = XEXP (fnaddr, 0);
if (GET_MODE (fnaddr) != word_mode)
fnaddr = convert_to_mode (word_mode, fnaddr, 1);
- fnaddr = gen_rtx_MEM (QImode, copy_to_mode_reg (word_mode, fnaddr));
+ fnaddr = gen_rtx_MEM (QImode, force_reg (word_mode, fnaddr));
}
vec_len = 0;
Re: [PATCH 07/10] addr32: Use word_mode instead of Pmode in loop expand
On Sun, Mar 11, 2012 at 5:56 PM, H.J. Lu hjl.to...@gmail.com wrote: This patches uses word_mode instead of Pmode in loop expand since word_mode may have bigger size than Pmode. OK for trunk? Thanks. H.J. --- 2012-03-02 H.J. Lu hongjiu...@intel.com * config/i386/i386.c (ix86_expand_movmem): Use word_mode instead of Pmode on loop. (ix86_expand_setmem): Likwise. Jan, can you please comment on the changes in this patch? Here is a complete updated patch to use word_mode in ix86_expand_movmem and ix86_expand_setmem. It also fixes ix86_zero_extend_to_Pmode to handle Pmode != DImode. OK for trunk? Please rewrite ix86_zero_extend_to_Pmode to something like: rtx tmp; if (GET_MODE (exp) != Pmode) tmp = convert_to_mode (Pmode, exp, 1); return force_reg (Pmode, tmp)); I am testing attached patch: 2012-03-11 Uros Bizjak ubiz...@gmail.com * config/i386/i386.c (ix86_zero_extend_to_Pmode): Rewrite using convert_to_mode. (ix86_expand_call): Use force_reg istead of copy_to_mode_reg. It passed all tests in GCC testsuite under Linux/x32 and glibc x32 tests. I have committed the patch without (ix86_expand_call) change. The later change was wrong, since it allowed arg register in the call pattern. Please commit your loop expand patch. Thanks, Uros.
Re: [PATCH 07/10] addr32: Use word_mode instead of Pmode in loop expand
On Thu, Mar 8, 2012 at 3:22 AM, Uros Bizjak ubiz...@gmail.com wrote: On Fri, Mar 2, 2012 at 10:02 PM, H.J. Lu hongjiu...@intel.com wrote: This patches uses word_mode instead of Pmode in loop expand since word_mode may have bigger size than Pmode. OK for trunk? Thanks. H.J. --- 2012-03-02 H.J. Lu hongjiu...@intel.com * config/i386/i386.c (ix86_expand_movmem): Use word_mode instead of Pmode on loop. (ix86_expand_setmem): Likwise. Jan, can you please comment on the changes in this patch? Here is a complete updated patch to use word_mode in ix86_expand_movmem and ix86_expand_setmem. It also fixes ix86_zero_extend_to_Pmode to handle Pmode != DImode. OK for trunk? Thanks. -- H.J. --- 2012-03-10 H.J. Lu hongjiu...@intel.com * config/i386/i386.c (ix86_zero_extend_to_Pmode): Handle Pmode != DImode. (ix86_expand_movmem): Use word_mode for size needed for loop. (ix86_expand_setmem): Likewise. 2012-03-10 H.J. Lu hongjiu...@intel.com * config/i386/i386.c (ix86_zero_extend_to_Pmode): Handle Pmode != DImode. (ix86_expand_movmem): Use word_mode for size needed for loop. (ix86_expand_setmem): Likewise. diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index bc144a9..a51c6b4 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -21031,7 +21031,11 @@ ix86_zero_extend_to_Pmode (rtx exp) if (GET_MODE (exp) == Pmode) return copy_to_mode_reg (Pmode, exp); r = gen_reg_rtx (Pmode); - emit_insn (gen_zero_extendsidi2 (r, exp)); + if (Pmode == DImode) +emit_insn (gen_zero_extendsidi2 (r, exp)); + else +emit_move_insn (r, + simplify_gen_subreg (Pmode, exp, GET_MODE (exp), 0)); return r; } @@ -22060,11 +22064,11 @@ ix86_expand_movmem (rtx dst, rtx src, rtx count_exp, rtx align_exp, gcc_unreachable (); case loop: need_zero_guard = true; - size_needed = GET_MODE_SIZE (Pmode); + size_needed = GET_MODE_SIZE (word_mode); break; case unrolled_loop: need_zero_guard = true; - size_needed = GET_MODE_SIZE (Pmode) * (TARGET_64BIT ? 4 : 2); + size_needed = GET_MODE_SIZE (word_mode) * (TARGET_64BIT ? 4 : 2); break; case rep_prefix_8_byte: size_needed = 8; @@ -22230,13 +22234,13 @@ ix86_expand_movmem (rtx dst, rtx src, rtx count_exp, rtx align_exp, break; case loop: expand_set_or_movmem_via_loop (dst, src, destreg, srcreg, NULL, -count_exp, Pmode, 1, expected_size); +count_exp, word_mode, 1, expected_size); break; case unrolled_loop: /* Unroll only by factor of 2 in 32bit mode, since we don't have enough registers for 4 temporaries anyway. */ expand_set_or_movmem_via_loop (dst, src, destreg, srcreg, NULL, -count_exp, Pmode, TARGET_64BIT ? 4 : 2, +count_exp, word_mode, TARGET_64BIT ? 4 : 2, expected_size); break; case rep_prefix_8_byte: @@ -22448,11 +22452,11 @@ ix86_expand_setmem (rtx dst, rtx count_exp, rtx val_exp, rtx align_exp, gcc_unreachable (); case loop: need_zero_guard = true; - size_needed = GET_MODE_SIZE (Pmode); + size_needed = GET_MODE_SIZE (word_mode); break; case unrolled_loop: need_zero_guard = true; - size_needed = GET_MODE_SIZE (Pmode) * 4; + size_needed = GET_MODE_SIZE (word_mode) * 4; break; case rep_prefix_8_byte: size_needed = 8; @@ -22623,11 +22627,11 @@ ix86_expand_setmem (rtx dst, rtx count_exp, rtx val_exp, rtx align_exp, break; case loop: expand_set_or_movmem_via_loop (dst, NULL, destreg, NULL, promoted_val, -count_exp, Pmode, 1, expected_size); +count_exp, word_mode, 1, expected_size); break; case unrolled_loop: expand_set_or_movmem_via_loop (dst, NULL, destreg, NULL, promoted_val, -count_exp, Pmode, 4, expected_size); +count_exp, word_mode, 4, expected_size); break; case rep_prefix_8_byte: expand_setmem_via_rep_stos (dst, destreg, promoted_val, count_exp,
Re: [PATCH 07/10] addr32: Use word_mode instead of Pmode in loop expand
On Fri, Mar 2, 2012 at 10:02 PM, H.J. Lu hongjiu...@intel.com wrote: This patches uses word_mode instead of Pmode in loop expand since word_mode may have bigger size than Pmode. OK for trunk? Thanks. H.J. --- 2012-03-02 H.J. Lu hongjiu...@intel.com * config/i386/i386.c (ix86_expand_movmem): Use word_mode instead of Pmode on loop. (ix86_expand_setmem): Likwise. Jan, can you please comment on the changes in this patch? Thanks, Uros.
[PATCH 07/10] addr32: Use word_mode instead of Pmode in loop expand
Hi, This patches uses word_mode instead of Pmode in loop expand since word_mode may have bigger size than Pmode. OK for trunk? Thanks. H.J. --- 2012-03-02 H.J. Lu hongjiu...@intel.com * config/i386/i386.c (ix86_expand_movmem): Use word_mode instead of Pmode on loop. (ix86_expand_setmem): Likwise. diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 47fa36a..67aaaea 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -22239,13 +22239,13 @@ ix86_expand_movmem (rtx dst, rtx src, rtx count_exp, rtx align_exp, break; case loop: expand_set_or_movmem_via_loop (dst, src, destreg, srcreg, NULL, -count_exp, Pmode, 1, expected_size); +count_exp, word_mode, 1, expected_size); break; case unrolled_loop: /* Unroll only by factor of 2 in 32bit mode, since we don't have enough registers for 4 temporaries anyway. */ expand_set_or_movmem_via_loop (dst, src, destreg, srcreg, NULL, -count_exp, Pmode, TARGET_64BIT ? 4 : 2, +count_exp, word_mode, TARGET_64BIT ? 4 : 2, expected_size); break; case rep_prefix_8_byte: @@ -22457,11 +22457,11 @@ ix86_expand_setmem (rtx dst, rtx count_exp, rtx val_exp, rtx align_exp, gcc_unreachable (); case loop: need_zero_guard = true; - size_needed = GET_MODE_SIZE (Pmode); + size_needed = GET_MODE_SIZE (word_mode); break; case unrolled_loop: need_zero_guard = true; - size_needed = GET_MODE_SIZE (Pmode) * 4; + size_needed = GET_MODE_SIZE (word_mode) * 4; break; case rep_prefix_8_byte: size_needed = 8; @@ -22632,11 +22632,11 @@ ix86_expand_setmem (rtx dst, rtx count_exp, rtx val_exp, rtx align_exp, break; case loop: expand_set_or_movmem_via_loop (dst, NULL, destreg, NULL, promoted_val, -count_exp, Pmode, 1, expected_size); +count_exp, word_mode, 1, expected_size); break; case unrolled_loop: expand_set_or_movmem_via_loop (dst, NULL, destreg, NULL, promoted_val, -count_exp, Pmode, 4, expected_size); +count_exp, word_mode, 4, expected_size); break; case rep_prefix_8_byte: expand_setmem_via_rep_stos (dst, destreg, promoted_val, count_exp, -- 1.7.6.5
