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riscv-gcc-1
Commit d55d2c84 by Uros Bizjak
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i386.md (and<mode>3): Expand masking operations with 0xff... 

	* config/i386/i386.md (and<mode>3): Expand masking operations with
	0xff, 0xffff or 0xffffffff immediates to corresponding zero_extend RTX.
	(and splitter): Split to DImode zero_extend RTX for DImode operand[0].

From-SVN: r186979
parent b9c8da34
Showing with 77 additions and 40 deletions
gcc/ChangeLog
2012-04-30 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.md (and<mode>3): Expand masking operations with
0xff, 0xffff or 0xffffffff immediates to corresponding zero_extend RTX.
(and splitter): Split to DImode zero_extend RTX for DImode operand[0].
2012-04-30 Dodji Seketeli <dodji@redhat.com>
Add -Wvarargs option
* builtins.c (fold_builtin_next_arg): Use OPT_Wvarargs as an
argument for the various warning_at calls.
argument for the various warning_at calls.
* docs/invoke.texi: Update the documentation.
2012-04-30 Dodji Seketeli <dodji@redhat.com>
......@@ -18,13 +24,11 @@
Make conversion warnings work on NULL with -ftrack-macro-expansion
* input.h (expansion_point_location_if_in_system_header): Declare
new function.
* input.c (expansion_point_location_if_in_system_header): Define
it.
* input.c (expansion_point_location_if_in_system_header): Define it.
Fix -Wuninitialized for -ftrack-macro-expansion
* tree-ssa.c (warn_uninit): Use the spelling location of the
variable declaration. Use linemap_location_before_p for source
locations.
* tree-ssa.c (warn_uninit): Use the spelling location of the variable
declaration. Use linemap_location_before_p for source locations.
Strip "<built-in>" loc from displayed expansion context
* input.c (expand_location_1): When expanding to spelling location
......@@ -61,8 +65,9 @@
2012-04-29 Manuel López-Ibáñez <manu@gcc.gnu.org>
* opts.c (finish_options): Do not handle -Wmissing-noreturn here.
* common.opt (Wmissing-noreturn): Alias of -Wsuggest-attribute=noreturn.
* opts.c (finish_options): Do not handle -Wmissing-noreturn here.
* common.opt (Wmissing-noreturn): Alias of
-Wsuggest-attribute=noreturn.
2012-04-29 Hans-Peter Nilsson <hp@axis.com>
......@@ -102,9 +107,8 @@
2012-04-27 Paolo Bonzini <bonzini@gnu.org>
* tree-ssa-phiopt.c (conditional_replacement): Replace PHIs
whose arguments are -1 and 0, by negating the result of the
conditional.
* tree-ssa-phiopt.c (conditional_replacement): Replace PHIs whose
arguments are -1 and 0, by negating the result of the conditional.
2012-04-27 Paolo Bonzini <bonzini@gnu.org>
......@@ -289,8 +293,7 @@
* config/sparc/sparc.md (attr type): Delete 'fgm_cmp'.
(fpack16_vis, fpackfix_vis, fpack32_vis): Set type to fgm_pack.
(fmul8x16_vis, fmul8x16au_vis, fmul8x16al_vis, fmul8sux16_vis,
fmul8ulx16_vis, fmuld8sux16_vis, fmuld8ulx16_vis): Set type to
fgm_mul.
fmul8ulx16_vis, fmuld8sux16_vis, fmuld8ulx16_vis): Set type to fgm_mul.
(alignaddrsi_vis, alignaddrdi_vis, alignaddrlsi_vis,
alignaddrldi_vis): Set type to gsr.
(pdist_vis, pdistn<mode>_vis): Set type to fgm_pdsit.
......@@ -348,8 +351,7 @@
2012-04-25 H.J. Lu <hongjiu.lu@intel.com>
PR debug/52857
* dwarf2out.c (dbx_reg_number): Assert return value !=
INVALID_REGNUM.
* dwarf2out.c (dbx_reg_number): Assert return value != INVALID_REGNUM.
2012-04-25 Jakub Jelinek <jakub@redhat.com>
......@@ -404,8 +406,9 @@
2012-04-25 Jan Hubicka <jh@suse.cz>
PR middle-end/53089
* cgraphunit.c (referred_to_p): Move ahead in file to avoid forward declaration.
PR middle-end/53089
* cgraphunit.c (referred_to_p): Move ahead in file to avoid
forward declaration.
(cgraph_finalize_function): Finalize them here.
* symtab.c (dump_symtab): Dump ctors and dtors.
......@@ -417,8 +420,7 @@
Also check that unit bytes long store at bitpos / unit * unit
doesn't affect bits beyond bitregion_end.
* expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
would not fit into bitregion_start ... bitregion_end + 1 bit
region.
would not fit into bitregion_start ... bitregion_end + 1 bit region.
(store_split_bit_field): Decrease unit close to end of bitregion_end
if access is restricted in order to avoid mutual recursion.
......@@ -427,9 +429,8 @@
prototypes.
* double-int.c (double_int_max_value, double_int_min_value): New
functions.
* tree-vrp.c (register_edge_assert_for_2): Compare mask
for LE_EXPR or GT_EXPR with double_int_max_value
instead of double_int_mask.
* tree-vrp.c (register_edge_assert_for_2): Compare mask for LE_EXPR
or GT_EXPR with double_int_max_value instead of double_int_mask.
2012-04-25 Richard Guenther <rguenther@suse.de>
......@@ -437,8 +438,7 @@
* tree-vect-loop.c (vect_transform_loop): Adjust.
* tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Record
the maximum number of iterations for the epilogue loop.
(vect_loop_versioning): Remove case re-using the peeled
epilogue loop.
(vect_loop_versioning): Remove case re-using the peeled epilogue loop.
2012-04-25 Jakub Jelinek <jakub@redhat.com>
......
gcc/config/i386/i386.md
......@@ -7695,14 +7695,45 @@
(match_operand:SWIM 2 "<general_szext_operand>")))]
""
{
if (<MODE>mode == DImode
&& GET_CODE (operands[2]) == CONST_INT
&& INTVAL (operands[2]) == (HOST_WIDE_INT) 0xffffffff
&& REG_P (operands[1]))
emit_insn (gen_zero_extendsidi2 (operands[0],
gen_lowpart (SImode, operands[1])));
enum machine_mode mode = GET_MODE (operands[1]);
rtx (*insn) (rtx, rtx);
if (CONST_INT_P (operands[2]) && REG_P (operands[0]))
{
HOST_WIDE_INT ival = INTVAL (operands[2]);
if (ival == (HOST_WIDE_INT) 0xffffffff)
mode = SImode;
else if (ival == 0xffff)
mode = HImode;
else if (ival == 0xff)
mode = QImode;
}
if (mode == GET_MODE (operands[1]))
{
ix86_expand_binary_operator (AND, <MODE>mode, operands);
DONE;
}
operands[1] = gen_lowpart (mode, operands[1]);
if (GET_MODE (operands[0]) == DImode)
insn = (mode == SImode)
? gen_zero_extendsidi2
: (mode == HImode)
? gen_zero_extendhidi2
: gen_zero_extendqidi2;
else if (GET_MODE (operands[0]) == SImode)
insn = (mode == HImode)
? gen_zero_extendhisi2
: gen_zero_extendqisi2;
else if (GET_MODE (operands[0]) == HImode)
insn = gen_zero_extendqihi2;
else
ix86_expand_binary_operator (AND, <MODE>mode, operands);
gcc_unreachable ();
emit_insn (insn (operands[0], operands[1]));
DONE;
})
......@@ -7839,32 +7870,38 @@
&& true_regnum (operands[0]) != true_regnum (operands[1])"
[(const_int 0)]
{
HOST_WIDE_INT ival = INTVAL (operands[2]);
enum machine_mode mode;
rtx (*insn) (rtx, rtx);
if (INTVAL (operands[2]) == (HOST_WIDE_INT) 0xffffffff)
if (ival == (HOST_WIDE_INT) 0xffffffff)
mode = SImode;
else if (INTVAL (operands[2]) == 0xffff)
else if (ival == 0xffff)
mode = HImode;
else
{
gcc_assert (INTVAL (operands[2]) == 0xff);
gcc_assert (ival == 0xff);
mode = QImode;
}
operands[1] = gen_lowpart (mode, operands[1]);
if (mode == SImode)
emit_insn (gen_zero_extendsidi2 (operands[0], operands[1]));
if (GET_MODE (operands[0]) == DImode)
insn = (mode == SImode)
? gen_zero_extendsidi2
: (mode == HImode)
? gen_zero_extendhidi2
: gen_zero_extendqidi2;
else
{
rtx (*insn) (rtx, rtx);
/* Zero extend to SImode to avoid partial register stalls. */
operands[0] = gen_lowpart (SImode, operands[0]);
insn = (mode == HImode) ? gen_zero_extendhisi2 : gen_zero_extendqisi2;
emit_insn (insn (operands[0], operands[1]));
insn = (mode == HImode)
? gen_zero_extendhisi2
: gen_zero_extendqisi2;
}
emit_insn (insn (operands[0], operands[1]));
DONE;
})
......
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