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authorUros Bizjak <uros@gcc.gnu.org>2010-04-09 15:29:24 +0200
committerUros Bizjak <uros@gcc.gnu.org>2010-04-09 15:29:24 +0200
commit014753cc4d898e889ab04dcdb41bb6cc99645e69 (patch)
tree3603e56d0bbe511ce03876cad040f7ce686134f6
parent88dd71504e89d86f723861404153b071d3113b39 (diff)
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i386.md (DWI): New mode iterator.
* config/i386/i386.md (DWI): New mode iterator. (S): New mode attribute. (shift_operand): Ditto. (shift_immediate_operand): Ditto. (ashl_input_operand): Ditto. (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1 using SDWIM mode iterator. (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize pattern from *ashl{di,ti}3_1 and corresponding splitters using DWI mode iterator. (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern from corresponding peephole2 patterns. (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1 and x86_64_shift_adj_1 using SWI48 mode iterator. (x86_shift<mode>_adj_2): Ditto. (*ashldi3_1_rex64): Split TYPE_LEA pattern. (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64 using SWI48 mode iterator. (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and *ashldi3_cmp_rex64 using SWI mode iterator. (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and *ashldi3_cconly_rex64 using SWI mode iterator. * config/i386/i386.c (ix86_split_ashl): Update for renamed x86_shift<mode>_adj_{1,2}. (ix86_split_ashr): Ditto. (ix86_split_lshr): Ditto. From-SVN: r158163
-rw-r--r--gcc/ChangeLog100
-rw-r--r--gcc/config/i386/i386.c30
-rw-r--r--gcc/config/i386/i386.md956
-rw-r--r--gcc/testsuite/ChangeLog2
4 files changed, 332 insertions, 756 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ce2a495..0a11d90 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,32 @@
+2010-04-09 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (DWI): New mode iterator.
+ (S): New mode attribute.
+ (shift_operand): Ditto.
+ (shift_immediate_operand): Ditto.
+ (ashl_input_operand): Ditto.
+ (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
+ using SDWIM mode iterator.
+ (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
+ pattern from *ashl{di,ti}3_1 and corresponding splitters using
+ DWI mode iterator.
+ (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
+ from corresponding peephole2 patterns.
+ (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
+ and x86_64_shift_adj_1 using SWI48 mode iterator.
+ (x86_shift<mode>_adj_2): Ditto.
+ (*ashldi3_1_rex64): Split TYPE_LEA pattern.
+ (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
+ using SWI48 mode iterator.
+ (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
+ *ashldi3_cmp_rex64 using SWI mode iterator.
+ (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
+ *ashldi3_cconly_rex64 using SWI mode iterator.
+ * config/i386/i386.c (ix86_split_ashl): Update for renamed
+ x86_shift<mode>_adj_{1,2}.
+ (ix86_split_ashr): Ditto.
+ (ix86_split_lshr): Ditto.
+
2010-04-09 Richard Guenther <rguenther@suse.de>
* target.h (builtin_conversion): Pass in input and output types.
@@ -58,8 +87,7 @@
(x86_this_parameter): Likewise.
(x86_output_mi_thunk): Likewise.
(ix86_attribute_table): Add description for thiscall attribute.
- * config/i386/i386.h (ix86_args): Adjust comment for member
- fastcall.
+ * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
* doc/extend.texi: Add documentation for thiscall.
2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
@@ -83,8 +111,8 @@
PR tree-optimization/42720
* tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
- loop unswitch conditions here from
- (tree_unswitch_single_loop).
+ loop unswitch conditions here from ...
+ (tree_unswitch_single_loop): ... here.
2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
@@ -108,14 +136,15 @@
2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
Wolfgang Gellerich <gellerich@de.ibm.com>
- Implement target hook for loop unrolling
- * target.h (loop_unroll_adjust): Add a new target hook function.
- * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
- * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
- * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
- (s390_loop_unroll_adjust): Implement the new target hook for s390.
- * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll target hook
- (decide_unroll_stupid): Likewise.
+ Implement target hook for loop unrolling
+ * target.h (loop_unroll_adjust): Add a new target hook function.
+ * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
+ * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
+ * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
+ (s390_loop_unroll_adjust): Implement the new target hook for s390.
+ * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
+ target hook.
+ (decide_unroll_stupid): Likewise.
2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
@@ -131,8 +160,8 @@
2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
* config/s390/s390.c (override_options): Adjust the z10
- defaults for max-unroll-times, max-completely-peeled-insns
- and max-completely-peel-times.
+ defaults for max-unroll-times, max-completely-peeled-insns
+ and max-completely-peel-times.
2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
@@ -283,8 +312,7 @@
* tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
Handle reversed comparison ops.
* tree-sra.c (asm_visit_addr): Use get_base_address.
- * ipa-prop.c (visit_store_addr_for_mod_analysis): Use
- get_base_address.
+ * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
* ipa-reference.c (mark_address): Use get_base_address.
2010-04-07 Richard Guenther <rguenther@suse.de>
@@ -305,10 +333,8 @@
* doc/invoke.texi (-fargument-alias, -fargument-noalias,
-fargument-noalias-global, -fargument-noalias-anything): Remove.
* common.opt: Likewise.
- * tree-ssa-structalias.c (intra_create_variable_infos): Adjust
- comment.
- * alias.c (base_alias_check): Remove flag_argument_noalias
- handling.
+ * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
+ * alias.c (base_alias_check): Remove flag_argument_noalias handling.
(nonoverlapping_memrefs_p): Likewise.
* emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
* opts.c (common_handle_option): Handle OPT_fargument_alias,
@@ -318,8 +344,7 @@
2010-04-07 Richard Guenther <rguenther@suse.de>
PR tree-optimization/43270
- * tree-vrp.c (check_array_ref): Fix flexible array member
- detection.
+ * tree-vrp.c (check_array_ref): Fix flexible array member detection.
* tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
* tree-ssa-pre.c (phi_translate_1): Adjust.
(fully_constant_expression): Split out vn_reference handling to ...
@@ -340,15 +365,13 @@
2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
- * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to
- generic.
+ * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2010-04-07 Richard Guenther <rguenther@suse.de>
PR middle-end/42617
- * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with
- pointer bases build simple mem attributes to retain
- points-to information.
+ * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
+ bases build simple mem attributes to retain points-to information.
2010-04-07 Richard Guenther <rguenther@suse.de>
@@ -361,8 +384,7 @@
PR middle-end/42617
* emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
discard plain indirect references.
- * fold-const.c (operand_equal_p): Guard against NULL_TREE
- type.
+ * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
* tree.c (tree_nop_conversion): Likewise.
2010-04-07 Dodji Seketeli <dodji@redhat.com>
@@ -391,11 +413,13 @@
PR middle-end/43519
* graphite-clast-to-gimple.c (max_signed_precision_type): Use
- lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
+ lang_hooks.types.type_for_size instead of
+ build_nonstandard_integer_type.
When converting an unsigned type to signed, double its precision.
(gcc_type_for_interval): Use lang_hooks.types.type_for_size.
(gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
- (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.
+ (graphite_create_new_loop_guard): When ub + 1 wraps around,
+ use lb <= ub.
2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
@@ -631,8 +655,7 @@
2010-04-02 Joseph Myers <joseph@codesourcery.com>
- * read-rtl.c (read_rtx_1): Give an error for EOF while looking for
- ']'.
+ * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2010-04-02 Richard Earnshaw <rearnsha@arm.com>
@@ -656,12 +679,12 @@
2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
- * config.gcc (lm32-*-rtems*): Add t-lm32.
+ * config.gcc (lm32-*-rtems*): Add t-lm32.
2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
- * config.gcc: Add lm32-*-rtems*.
- * config/lm32/rtems.h: New file.
+ * config.gcc: Add lm32-*-rtems*.
+ * config/lm32/rtems.h: New file.
2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
@@ -714,7 +737,7 @@
PR middle-end/43602
Revert
2010-03-30 Seongbae Park <seongbae.park@gmail.com>
- Jack Howarth <howarth@bromo.med.uc.edu>
+ Jack Howarth <howarth@bromo.med.uc.edu>
* tree-profile.c (tree_init_ic_make_global_vars): Make static
variables TLS.
@@ -746,8 +769,7 @@
Update IDO URL.
Document GNU as requirement.
Update configure requirements.
- (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion,
- removal.
+ (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
Recomment IRIX 6.5.18+.
Document IDF/IDL requirement.
Document GNU as requirement.
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 407e37c..6431d9b 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -17130,20 +17130,22 @@ ix86_split_ashl (rtx *operands, rtx scratch, enum machine_mode mode)
: gen_x86_64_shld) (high[0], low[0], operands[2]));
}
- emit_insn ((mode == DImode ? gen_ashlsi3 : gen_ashldi3) (low[0], low[0], operands[2]));
+ emit_insn ((mode == DImode
+ ? gen_ashlsi3
+ : gen_ashldi3) (low[0], low[0], operands[2]));
if (TARGET_CMOVE && scratch)
{
ix86_expand_clear (scratch);
emit_insn ((mode == DImode
- ? gen_x86_shift_adj_1
- : gen_x86_64_shift_adj_1) (high[0], low[0], operands[2],
- scratch));
+ ? gen_x86_shiftsi_adj_1
+ : gen_x86_shiftdi_adj_1) (high[0], low[0], operands[2],
+ scratch));
}
else
emit_insn ((mode == DImode
- ? gen_x86_shift_adj_2
- : gen_x86_64_shift_adj_2) (high[0], low[0], operands[2]));
+ ? gen_x86_shiftsi_adj_2
+ : gen_x86_shiftdi_adj_2) (high[0], low[0], operands[2]));
}
void
@@ -17216,9 +17218,9 @@ ix86_split_ashr (rtx *operands, rtx scratch, enum machine_mode mode)
: gen_ashrdi3) (scratch, scratch,
GEN_INT (single_width - 1)));
emit_insn ((mode == DImode
- ? gen_x86_shift_adj_1
- : gen_x86_64_shift_adj_1) (low[0], high[0], operands[2],
- scratch));
+ ? gen_x86_shiftsi_adj_1
+ : gen_x86_shiftdi_adj_1) (low[0], high[0], operands[2],
+ scratch));
}
else
emit_insn ((mode == DImode
@@ -17281,14 +17283,14 @@ ix86_split_lshr (rtx *operands, rtx scratch, enum machine_mode mode)
{
ix86_expand_clear (scratch);
emit_insn ((mode == DImode
- ? gen_x86_shift_adj_1
- : gen_x86_64_shift_adj_1) (low[0], high[0], operands[2],
- scratch));
+ ? gen_x86_shiftsi_adj_1
+ : gen_x86_shiftdi_adj_1) (low[0], high[0], operands[2],
+ scratch));
}
else
emit_insn ((mode == DImode
- ? gen_x86_shift_adj_2
- : gen_x86_64_shift_adj_2) (low[0], high[0], operands[2]));
+ ? gen_x86_shiftsi_adj_2
+ : gen_x86_shiftdi_adj_2) (low[0], high[0], operands[2]));
}
}
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index 8bd8e0f..b53c01d 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -771,14 +771,18 @@
(define_mode_iterator SWIM248 [(HI "TARGET_HIMODE_MATH")
SI (DI "TARGET_64BIT")])
-;; Half mode for double word integer modes.
-(define_mode_iterator DWIH [(SI "!TARGET_64BIT")
- (DI "TARGET_64BIT")])
-
;; Double word integer modes.
+(define_mode_iterator DWI [(DI "!TARGET_64BIT")
+ (TI "TARGET_64BIT")])
+
+;; Double word integer modes as mode attribute.
(define_mode_attr DWI [(SI "DI") (DI "TI")])
(define_mode_attr dwi [(SI "di") (DI "ti")])
+;; Half mode for double word integer modes.
+(define_mode_iterator DWIH [(SI "!TARGET_64BIT")
+ (DI "TARGET_64BIT")])
+
;; Instruction suffix for integer modes.
(define_mode_attr imodesuffix [(QI "b") (HI "w") (SI "l") (DI "q")])
@@ -794,6 +798,9 @@
;; Immediate operand constraint for double integer modes.
(define_mode_attr di [(SI "iF") (DI "e")])
+;; Immediate operand constraint for shifts.
+(define_mode_attr S [(QI "I") (HI "I") (SI "I") (DI "J") (TI "O")])
+
;; General operand predicate for integer modes.
(define_mode_attr general_operand
[(QI "general_operand")
@@ -809,6 +816,29 @@
(SI "general_operand")
(DI "x86_64_szext_general_operand")])
+;; Operand predicate for shifts.
+(define_mode_attr shift_operand
+ [(QI "nonimmediate_operand")
+ (HI "nonimmediate_operand")
+ (SI "nonimmediate_operand")
+ (DI "shiftdi_operand")
+ (TI "register_operand")])
+
+;; Operand predicate for shift argument.
+(define_mode_attr shift_immediate_operand
+ [(QI "const_1_to_31_operand")
+ (HI "const_1_to_31_operand")
+ (SI "const_1_to_31_operand")
+ (DI "const_1_to_63_operand")])
+
+;; Input operand predicate for arithmetic left shifts.
+(define_mode_attr ashl_input_operand
+ [(QI "nonimmediate_operand")
+ (HI "nonimmediate_operand")
+ (SI "nonimmediate_operand")
+ (DI "ashldi_input_operand")
+ (TI "reg_or_pm1_operand")])
+
;; SSE and x87 SFmode and DFmode floating point modes
(define_mode_iterator MODEF [SF DF])
@@ -9523,42 +9553,40 @@
;; shift pair, instead using moves and sign extension for counts greater
;; than 31.
-(define_expand "ashlti3"
- [(set (match_operand:TI 0 "register_operand" "")
- (ashift:TI (match_operand:TI 1 "reg_or_pm1_operand" "")
- (match_operand:QI 2 "nonmemory_operand" "")))]
- "TARGET_64BIT"
- "ix86_expand_binary_operator (ASHIFT, TImode, operands); DONE;")
+(define_expand "ashl<mode>3"
+ [(set (match_operand:SDWIM 0 "<shift_operand>" "")
+ (ashift:SDWIM (match_operand:SDWIM 1 "<ashl_input_operand>" "")
+ (match_operand:QI 2 "nonmemory_operand" "")))]
+ ""
+ "ix86_expand_binary_operator (ASHIFT, <MODE>mode, operands); DONE;")
-(define_insn "*ashlti3_1"
- [(set (match_operand:TI 0 "register_operand" "=&r,r")
- (ashift:TI (match_operand:TI 1 "reg_or_pm1_operand" "n,0")
- (match_operand:QI 2 "nonmemory_operand" "Oc,Oc")))
+(define_insn_and_split "*ashl<mode>3_doubleword"
+ [(set (match_operand:DWI 0 "register_operand" "=&r,r")
+ (ashift:DWI (match_operand:DWI 1 "reg_or_pm1_operand" "n,0")
+ (match_operand:QI 2 "nonmemory_operand" "<S>c,<S>c")))
(clobber (reg:CC FLAGS_REG))]
- "TARGET_64BIT"
+ "ix86_binary_operator_ok (ASHIFT, <MODE>mode, operands)"
"#"
+ "(optimize && flag_peephole2) ? epilogue_completed : reload_completed"
+ [(const_int 0)]
+ "ix86_split_ashl (operands, NULL_RTX, <MODE>mode); DONE;"
[(set_attr "type" "multi")])
+;; By default we don't ask for a scratch register, because when DWImode
+;; values are manipulated, registers are already at a premium. But if
+;; we have one handy, we won't turn it away.
+
(define_peephole2
- [(match_scratch:DI 3 "r")
- (parallel [(set (match_operand:TI 0 "register_operand" "")
- (ashift:TI (match_operand:TI 1 "nonmemory_operand" "")
- (match_operand:QI 2 "nonmemory_operand" "")))
+ [(match_scratch:DWIH 3 "r")
+ (parallel [(set (match_operand:<DWI> 0 "register_operand" "")
+ (ashift:<DWI>
+ (match_operand:<DWI> 1 "nonmemory_operand" "")
+ (match_operand:QI 2 "nonmemory_operand" "")))
(clobber (reg:CC FLAGS_REG))])
(match_dup 3)]
- "TARGET_64BIT"
- [(const_int 0)]
- "ix86_split_ashl (operands, operands[3], TImode); DONE;")
-
-(define_split
- [(set (match_operand:TI 0 "register_operand" "")
- (ashift:TI (match_operand:TI 1 "nonmemory_operand" "")
- (match_operand:QI 2 "nonmemory_operand" "")))
- (clobber (reg:CC FLAGS_REG))]
- "TARGET_64BIT && ((optimize > 0 && flag_peephole2)
- ? epilogue_completed : reload_completed)"
+ "TARGET_CMOVE"
[(const_int 0)]
- "ix86_split_ashl (operands, NULL_RTX, TImode); DONE;")
+ "ix86_split_ashl (operands, operands[3], <DWI>mode); DONE;")
(define_insn "x86_64_shld"
[(set (match_operand:DI 0 "nonimmediate_operand" "+r*m")
@@ -9575,261 +9603,6 @@
(set_attr "athlon_decode" "vector")
(set_attr "amdfam10_decode" "vector")])
-(define_expand "x86_64_shift_adj_1"
- [(set (reg:CCZ FLAGS_REG)
- (compare:CCZ (and:QI (match_operand:QI 2 "register_operand" "")
- (const_int 64))
- (const_int 0)))
- (set (match_operand:DI 0 "register_operand" "")
- (if_then_else:DI (ne (reg:CCZ FLAGS_REG) (const_int 0))
- (match_operand:DI 1 "register_operand" "")
- (match_dup 0)))
- (set (match_dup 1)
- (if_then_else:DI (ne (reg:CCZ FLAGS_REG) (const_int 0))
- (match_operand:DI 3 "register_operand" "r")
- (match_dup 1)))]
- "TARGET_64BIT"
- "")
-
-(define_expand "x86_64_shift_adj_2"
- [(use (match_operand:DI 0 "register_operand" ""))
- (use (match_operand:DI 1 "register_operand" ""))
- (use (match_operand:QI 2 "register_operand" ""))]
- "TARGET_64BIT"
-{
- rtx label = gen_label_rtx ();
- rtx tmp;
-
- emit_insn (gen_testqi_ccz_1 (operands[2], GEN_INT (64)));
-
- tmp = gen_rtx_REG (CCZmode, FLAGS_REG);
- tmp = gen_rtx_EQ (VOIDmode, tmp, const0_rtx);
- tmp = gen_rtx_IF_THEN_ELSE (VOIDmode, tmp,
- gen_rtx_LABEL_REF (VOIDmode, label),
- pc_rtx);
- tmp = emit_jump_insn (gen_rtx_SET (VOIDmode, pc_rtx, tmp));
- JUMP_LABEL (tmp) = label;
-
- emit_move_insn (operands[0], operands[1]);
- ix86_expand_clear (operands[1]);
-
- emit_label (label);
- LABEL_NUSES (label) = 1;
-
- DONE;
-})
-
-(define_expand "ashldi3"
- [(set (match_operand:DI 0 "shiftdi_operand" "")
- (ashift:DI (match_operand:DI 1 "ashldi_input_operand" "")
- (match_operand:QI 2 "nonmemory_operand" "")))]
- ""
- "ix86_expand_binary_operator (ASHIFT, DImode, operands); DONE;")
-
-(define_insn "*ashldi3_1_rex64"
- [(set (match_operand:DI 0 "nonimmediate_operand" "=rm,r")
- (ashift:DI (match_operand:DI 1 "nonimmediate_operand" "0,l")
- (match_operand:QI 2 "nonmemory_operand" "cJ,M")))
- (clobber (reg:CC FLAGS_REG))]
- "TARGET_64BIT && ix86_binary_operator_ok (ASHIFT, DImode, operands)"
-{
- switch (get_attr_type (insn))
- {
- case TYPE_ALU:
- gcc_assert (operands[2] == const1_rtx);
- gcc_assert (rtx_equal_p (operands[0], operands[1]));
- return "add{q}\t%0, %0";
-
- case TYPE_LEA:
- gcc_assert (CONST_INT_P (operands[2]));
- gcc_assert ((unsigned HOST_WIDE_INT) INTVAL (operands[2]) <= 3);
- operands[1] = gen_rtx_MULT (DImode, operands[1],
- GEN_INT (1 << INTVAL (operands[2])));
- return "lea{q}\t{%a1, %0|%0, %a1}";
-
- default:
- if (REG_P (operands[2]))
- return "sal{q}\t{%b2, %0|%0, %b2}";
- else if (operands[2] == const1_rtx
- && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
- return "sal{q}\t%0";
- else
- return "sal{q}\t{%2, %0|%0, %2}";
- }
-}
- [(set (attr "type")
- (cond [(eq_attr "alternative" "1")
- (const_string "lea")
- (and (and (ne (symbol_ref "TARGET_DOUBLE_WITH_ADD")
- (const_int 0))
- (match_operand 0 "register_operand" ""))
- (match_operand 2 "const1_operand" ""))
- (const_string "alu")
- ]
- (const_string "ishift")))
- (set (attr "length_immediate")
- (if_then_else
- (ior (eq_attr "type" "alu")
- (and (eq_attr "type" "ishift")
- (and (match_operand 2 "const1_operand" "")
- (ne (symbol_ref "TARGET_SHIFT1 || optimize_function_for_size_p (cfun)")
- (const_int 0)))))
- (const_string "0")
- (const_string "*")))
- (set_attr "mode" "DI")])
-
-;; Convert lea to the lea pattern to avoid flags dependency.
-(define_split
- [(set (match_operand:DI 0 "register_operand" "")
- (ashift:DI (match_operand:DI 1 "index_register_operand" "")
- (match_operand:QI 2 "immediate_operand" "")))
- (clobber (reg:CC FLAGS_REG))]
- "TARGET_64BIT && reload_completed
- && true_regnum (operands[0]) != true_regnum (operands[1])"
- [(set (match_dup 0)
- (mult:DI (match_dup 1)
- (match_dup 2)))]
- "operands[2] = gen_int_mode (1 << INTVAL (operands[2]), DImode);")
-
-;; This pattern can't accept a variable shift count, since shifts by
-;; zero don't affect the flags. We assume that shifts by constant
-;; zero are optimized away.
-(define_insn "*ashldi3_cmp_rex64"
- [(set (reg FLAGS_REG)
- (compare
- (ashift:DI (match_operand:DI 1 "nonimmediate_operand" "0")
- (match_operand:QI 2 "const_1_to_63_operand" "J"))
- (const_int 0)))
- (set (match_operand:DI 0 "nonimmediate_operand" "=rm")
- (ashift:DI (match_dup 1) (match_dup 2)))]
- "TARGET_64BIT
- && (optimize_function_for_size_p (cfun)
- || !TARGET_PARTIAL_FLAG_REG_STALL
- || (operands[2] == const1_rtx
- && (TARGET_SHIFT1
- || (TARGET_DOUBLE_WITH_ADD && REG_P (operands[0])))))
- && ix86_match_ccmode (insn, CCGOCmode)
- && ix86_binary_operator_ok (ASHIFT, DImode, operands)"
-{
- switch (get_attr_type (insn))
- {
- case TYPE_ALU:
- gcc_assert (operands[2] == const1_rtx);
- return "add{q}\t%0, %0";
-
- default:
- if (REG_P (operands[2]))
- return "sal{q}\t{%b2, %0|%0, %b2}";
- else if (operands[2] == const1_rtx
- && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
- return "sal{q}\t%0";
- else
- return "sal{q}\t{%2, %0|%0, %2}";
- }
-}
- [(set (attr "type")
- (cond [(and (and (ne (symbol_ref "TARGET_DOUBLE_WITH_ADD")
- (const_int 0))
- (match_operand 0 "register_operand" ""))
- (match_operand 2 "const1_operand" ""))
- (const_string "alu")
- ]
- (const_string "ishift")))
- (set (attr "length_immediate")
- (if_then_else
- (ior (eq_attr "type" "alu")
- (and (eq_attr "type" "ishift")
- (and (match_operand 2 "const1_operand" "")
- (ne (symbol_ref "TARGET_SHIFT1 || optimize_function_for_size_p (cfun)")
- (const_int 0)))))
- (const_string "0")
- (const_string "*")))
- (set_attr "mode" "DI")])
-
-(define_insn "*ashldi3_cconly_rex64"
- [(set (reg FLAGS_REG)
- (compare
- (ashift:DI (match_operand:DI 1 "nonimmediate_operand" "0")
- (match_operand:QI 2 "const_1_to_63_operand" "J"))
- (const_int 0)))
- (clobber (match_scratch:DI 0 "=r"))]
- "TARGET_64BIT
- && (optimize_function_for_size_p (cfun)
- || !TARGET_PARTIAL_FLAG_REG_STALL
- || (operands[2] == const1_rtx
- && (TARGET_SHIFT1
- || TARGET_DOUBLE_WITH_ADD)))
- && ix86_match_ccmode (insn, CCGOCmode)
- && ix86_binary_operator_ok (ASHIFT, DImode, operands)"
-{
- switch (get_attr_type (insn))
- {
- case TYPE_ALU:
- gcc_assert (operands[2] == const1_rtx);
- return "add{q}\t%0, %0";
-
- default:
- if (REG_P (operands[2]))
- return "sal{q}\t{%b2, %0|%0, %b2}";
- else if (operands[2] == const1_rtx
- && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
- return "sal{q}\t%0";
- else
- return "sal{q}\t{%2, %0|%0, %2}";
- }
-}
- [(set (attr "type")
- (cond [(and (and (ne (symbol_ref "TARGET_DOUBLE_WITH_ADD")
- (const_int 0))
- (match_operand 0 "register_operand" ""))
- (match_operand 2 "const1_operand" ""))
- (const_string "alu")
- ]
- (const_string "ishift")))
- (set (attr "length_immediate")
- (if_then_else
- (ior (eq_attr "type" "alu")
- (and (eq_attr "type" "ishift")
- (and (match_operand 2 "const1_operand" "")
- (ne (symbol_ref "TARGET_SHIFT1 || optimize_function_for_size_p (cfun)")
- (const_int 0)))))
- (const_string "0")
- (const_string "*")))
- (set_attr "mode" "DI")])
-
-(define_insn "*ashldi3_1"
- [(set (match_operand:DI 0 "register_operand" "=&r,r")
- (ashift:DI (match_operand:DI 1 "reg_or_pm1_operand" "n,0")
- (match_operand:QI 2 "nonmemory_operand" "Jc,Jc")))
- (clobber (reg:CC FLAGS_REG))]
- "!TARGET_64BIT"
- "#"
- [(set_attr "type" "multi")])
-
-;; By default we don't ask for a scratch register, because when DImode
-;; values are manipulated, registers are already at a premium. But if
-;; we have one handy, we won't turn it away.
-(define_peephole2
- [(match_scratch:SI 3 "r")
- (parallel [(set (match_operand:DI 0 "register_operand" "")
- (ashift:DI (match_operand:DI 1 "nonmemory_operand" "")
- (match_operand:QI 2 "nonmemory_operand" "")))
- (clobber (reg:CC FLAGS_REG))])
- (match_dup 3)]
- "!TARGET_64BIT && TARGET_CMOVE"
- [(const_int 0)]
- "ix86_split_ashl (operands, operands[3], DImode); DONE;")
-
-(define_split
- [(set (match_operand:DI 0 "register_operand" "")
- (ashift:DI (match_operand:DI 1 "nonmemory_operand" "")
- (match_operand:QI 2 "nonmemory_operand" "")))
- (clobber (reg:CC FLAGS_REG))]
- "!TARGET_64BIT && ((optimize > 0 && flag_peephole2)
- ? epilogue_completed : reload_completed)"
- [(const_int 0)]
- "ix86_split_ashl (operands, NULL_RTX, DImode); DONE;")
-
(define_insn "x86_shld"
[(set (match_operand:SI 0 "nonimmediate_operand" "+r*m")
(ior:SI (ashift:SI (match_dup 0)
@@ -9846,32 +9619,33 @@
(set_attr "athlon_decode" "vector")
(set_attr "amdfam10_decode" "vector")])
-(define_expand "x86_shift_adj_1"
+(define_expand "x86_shift<mode>_adj_1"
[(set (reg:CCZ FLAGS_REG)
(compare:CCZ (and:QI (match_operand:QI 2 "register_operand" "")
- (const_int 32))
+ (match_dup 4))
(const_int 0)))
- (set (match_operand:SI 0 "register_operand" "")
- (if_then_else:SI (ne (reg:CCZ FLAGS_REG) (const_int 0))
- (match_operand:SI 1 "register_operand" "")
- (match_dup 0)))
+ (set (match_operand:SWI48 0 "register_operand" "")
+ (if_then_else:SWI48 (ne (reg:CCZ FLAGS_REG) (const_int 0))
+ (match_operand:SWI48 1 "register_operand" "")
+ (match_dup 0)))
(set (match_dup 1)
- (if_then_else:SI (ne (reg:CCZ FLAGS_REG) (const_int 0))
- (match_operand:SI 3 "register_operand" "r")
- (match_dup 1)))]
+ (if_then_else:SWI48 (ne (reg:CCZ FLAGS_REG) (const_int 0))
+ (match_operand:SWI48 3 "register_operand" "r")
+ (match_dup 1)))]
"TARGET_CMOVE"
- "")
+ "operands[4] = GEN_INT (GET_MODE_BITSIZE (<MODE>mode));")
-(define_expand "x86_shift_adj_2"
- [(use (match_operand:SI 0 "register_operand" ""))
- (use (match_operand:SI 1 "register_operand" ""))
+(define_expand "x86_shift<mode>_adj_2"
+ [(use (match_operand:SWI48 0 "register_operand" ""))
+ (use (match_operand:SWI48 1 "register_operand" ""))
(use (match_operand:QI 2 "register_operand" ""))]
""
{
rtx label = gen_label_rtx ();
rtx tmp;
- emit_insn (gen_testqi_ccz_1 (operands[2], GEN_INT (32)));
+ emit_insn (gen_testqi_ccz_1 (operands[2],
+ GEN_INT (GET_MODE_BITSIZE (<MODE>mode))));
tmp = gen_rtx_REG (CCZmode, FLAGS_REG);
tmp = gen_rtx_EQ (VOIDmode, tmp, const0_rtx);
@@ -9890,38 +9664,31 @@
DONE;
})
-(define_expand "ashlsi3"
- [(set (match_operand:SI 0 "nonimmediate_operand" "")
- (ashift:SI (match_operand:SI 1 "nonimmediate_operand" "")
- (match_operand:QI 2 "nonmemory_operand" "")))]
- ""
- "ix86_expand_binary_operator (ASHIFT, SImode, operands); DONE;")
-
-(define_insn "*ashlsi3_1"
- [(set (match_operand:SI 0 "nonimmediate_operand" "=rm,r")
- (ashift:SI (match_operand:SI 1 "nonimmediate_operand" "0,l")
- (match_operand:QI 2 "nonmemory_operand" "cI,M")))
+(define_insn "*ashl<mode>3_1"
+ [(set (match_operand:SWI48 0 "nonimmediate_operand" "=rm,r")
+ (ashift:SWI48 (match_operand:SWI48 1 "nonimmediate_operand" "0,l")
+ (match_operand:QI 2 "nonmemory_operand" "c<S>,M")))
(clobber (reg:CC FLAGS_REG))]
- "ix86_binary_operator_ok (ASHIFT, SImode, operands)"
+ "ix86_binary_operator_ok (ASHIFT, <MODE>mode, operands)"
{
switch (get_attr_type (insn))
{
case TYPE_ALU:
gcc_assert (operands[2] == const1_rtx);
gcc_assert (rtx_equal_p (operands[0], operands[1]));
- return "add{l}\t%0, %0";
+ return "add{<imodesuffix>}\t%0, %0";
case TYPE_LEA:
return "#";
default:
if (REG_P (operands[2]))
- return "sal{l}\t{%b2, %0|%0, %b2}";
+ return "sal{<imodesuffix>}\t{%b2, %0|%0, %b2}";
else if (operands[2] == const1_rtx
&& (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
- return "sal{l}\t%0";
+ return "sal{<imodesuffix>}\t%0";
else
- return "sal{l}\t{%2, %0|%0, %2}";
+ return "sal{<imodesuffix>}\t{%2, %0|%0, %2}";
}
}
[(set (attr "type")
@@ -9943,59 +9710,13 @@
(const_int 0)))))
(const_string "0")
(const_string "*")))
- (set_attr "mode" "SI")])
-
-;; Convert lea to the lea pattern to avoid flags dependency.
-(define_split
- [(set (match_operand 0 "register_operand" "")
- (ashift (match_operand 1 "index_register_operand" "")
- (match_operand:QI 2 "const_int_operand" "")))
- (clobber (reg:CC FLAGS_REG))]
- "reload_completed
- && true_regnum (operands[0]) != true_regnum (operands[1])
- && GET_MODE_SIZE (GET_MODE (operands[0])) <= 4"
- [(const_int 0)]
-{
- rtx pat;
- enum machine_mode mode = GET_MODE (operands[0]);
-
- if (GET_MODE_SIZE (mode) < 4)
- operands[0] = gen_lowpart (SImode, operands[0]);
- if (mode != Pmode)
- operands[1] = gen_lowpart (Pmode, operands[1]);
- operands[2] = gen_int_mode (1 << INTVAL (operands[2]), Pmode);
-
- pat = gen_rtx_MULT (Pmode, operands[1], operands[2]);
- if (Pmode != SImode)
- pat = gen_rtx_SUBREG (SImode, pat, 0);
- emit_insn (gen_rtx_SET (VOIDmode, operands[0], pat));
- DONE;
-})
-
-;; Rare case of shifting RSP is handled by generating move and shift
-(define_split
- [(set (match_operand 0 "register_operand" "")
- (ashift (match_operand 1 "register_operand" "")
- (match_operand:QI 2 "const_int_operand" "")))
- (clobber (reg:CC FLAGS_REG))]
- "reload_completed
- && true_regnum (operands[0]) != true_regnum (operands[1])"
- [(const_int 0)]
-{
- rtx pat, clob;
- emit_move_insn (operands[0], operands[1]);
- pat = gen_rtx_SET (VOIDmode, operands[0],
- gen_rtx_ASHIFT (GET_MODE (operands[0]),
- operands[0], operands[2]));
- clob = gen_rtx_CLOBBER (VOIDmode, gen_rtx_REG (CCmode, FLAGS_REG));
- emit_insn (gen_rtx_PARALLEL (VOIDmode, gen_rtvec (2, pat, clob)));
- DONE;
-})
+ (set_attr "mode" "<MODE>")])
(define_insn "*ashlsi3_1_zext"
[(set (match_operand:DI 0 "register_operand" "=r,r")
- (zero_extend:DI (ashift:SI (match_operand:SI 1 "register_operand" "0,l")
- (match_operand:QI 2 "nonmemory_operand" "cI,M"))))
+ (zero_extend:DI
+ (ashift:SI (match_operand:SI 1 "register_operand" "0,l")
+ (match_operand:QI 2 "nonmemory_operand" "cI,M"))))
(clobber (reg:CC FLAGS_REG))]
"TARGET_64BIT && ix86_binary_operator_ok (ASHIFT, SImode, operands)"
{
@@ -10038,105 +9759,28 @@
(const_string "*")))
(set_attr "mode" "SI")])
-;; Convert lea to the lea pattern to avoid flags dependency.
-(define_split
- [(set (match_operand:DI 0 "register_operand" "")
- (zero_extend:DI (ashift (match_operand 1 "register_operand" "")
- (match_operand:QI 2 "const_int_operand" ""))))
+(define_insn "*ashlhi3_1"
+ [(set (match_operand:HI 0 "nonimmediate_operand" "=rm")
+ (ashift:HI (match_operand:HI 1 "nonimmediate_operand" "0")
+ (match_operand:QI 2 "nonmemory_operand" "cI")))
(clobber (reg:CC FLAGS_REG))]
- "TARGET_64BIT && reload_completed
- && true_regnum (operands[0]) != true_regnum (operands[1])"
- [(set (match_dup 0) (zero_extend:DI
- (subreg:SI (mult:SI (match_dup 1)
- (match_dup 2)) 0)))]
-{
- operands[1] = gen_lowpart (Pmode, operands[1]);
- operands[2] = gen_int_mode (1 << INTVAL (operands[2]), Pmode);
-})
-
-;; This pattern can't accept a variable shift count, since shifts by
-;; zero don't affect the flags. We assume that shifts by constant
-;; zero are optimized away.
-(define_insn "*ashlsi3_cmp"
- [(set (reg FLAGS_REG)
- (compare
- (ashift:SI (match_operand:SI 1 "nonimmediate_operand" "0")
- (match_operand:QI 2 "const_1_to_31_operand" "I"))
- (const_int 0)))
- (set (match_operand:SI 0 "nonimmediate_operand" "=rm")
- (ashift:SI (match_dup 1) (match_dup 2)))]
- "(optimize_function_for_size_p (cfun)
- || !TARGET_PARTIAL_FLAG_REG_STALL
- || (operands[2] == const1_rtx
- && (TARGET_SHIFT1
- || (TARGET_DOUBLE_WITH_ADD && REG_P (operands[0])))))
- && ix86_match_ccmode (insn, CCGOCmode)
- && ix86_binary_operator_ok (ASHIFT, SImode, operands)"
-{
- switch (get_attr_type (insn))
- {
- case TYPE_ALU:
- gcc_assert (operands[2] == const1_rtx);
- return "add{l}\t%0, %0";
-
- default:
- if (REG_P (operands[2]))
- return "sal{l}\t{%b2, %0|%0, %b2}";
- else if (operands[2] == const1_rtx
- && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
- return "sal{l}\t%0";
- else
- return "sal{l}\t{%2, %0|%0, %2}";
- }
-}
- [(set (attr "type")
- (cond [(and (and (ne (symbol_ref "TARGET_DOUBLE_WITH_ADD")
- (const_int 0))
- (match_operand 0 "register_operand" ""))
- (match_operand 2 "const1_operand" ""))
- (const_string "alu")
- ]
- (const_string "ishift")))
- (set (attr "length_immediate")
- (if_then_else
- (ior (eq_attr "type" "alu")
- (and (eq_attr "type" "ishift")
- (and (match_operand 2 "const1_operand" "")
- (ne (symbol_ref "TARGET_SHIFT1 || optimize_function_for_size_p (cfun)")
- (const_int 0)))))
- (const_string "0")
- (const_string "*")))
- (set_attr "mode" "SI")])
-
-(define_insn "*ashlsi3_cconly"
- [(set (reg FLAGS_REG)
- (compare
- (ashift:SI (match_operand:SI 1 "nonimmediate_operand" "0")
- (match_operand:QI 2 "const_1_to_31_operand" "I"))
- (const_int 0)))
- (clobber (match_scratch:SI 0 "=r"))]
- "(optimize_function_for_size_p (cfun)
- || !TARGET_PARTIAL_FLAG_REG_STALL
- || (operands[2] == const1_rtx
- && (TARGET_SHIFT1
- || TARGET_DOUBLE_WITH_ADD)))
- && ix86_match_ccmode (insn, CCGOCmode)
- && ix86_binary_operator_ok (ASHIFT, SImode, operands)"
+ "TARGET_PARTIAL_REG_STALL
+ && ix86_binary_operator_ok (ASHIFT, HImode, operands)"
{
switch (get_attr_type (insn))
{
case TYPE_ALU:
gcc_assert (operands[2] == const1_rtx);
- return "add{l}\t%0, %0";
+ return "add{w}\t%0, %0";
default:
if (REG_P (operands[2]))
- return "sal{l}\t{%b2, %0|%0, %b2}";
+ return "sal{w}\t{%b2, %0|%0, %b2}";
else if (operands[2] == const1_rtx
&& (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
- return "sal{l}\t%0";
+ return "sal{w}\t%0";
else
- return "sal{l}\t{%2, %0|%0, %2}";
+ return "sal{w}\t{%2, %0|%0, %2}";
}
}
[(set (attr "type")
@@ -10156,65 +9800,7 @@
(const_int 0)))))
(const_string "0")
(const_string "*")))
- (set_attr "mode" "SI")])
-
-(define_insn "*ashlsi3_cmp_zext"
- [(set (reg FLAGS_REG)
- (compare
- (ashift:SI (match_operand:SI 1 "register_operand" "0")
- (match_operand:QI 2 "const_1_to_31_operand" "I"))
- (const_int 0)))
- (set (match_operand:DI 0 "register_operand" "=r")
- (zero_extend:DI (ashift:SI (match_dup 1) (match_dup 2))))]
- "TARGET_64BIT
- && (optimize_function_for_size_p (cfun)
- || !TARGET_PARTIAL_FLAG_REG_STALL
- || (operands[2] == const1_rtx
- && (TARGET_SHIFT1
- || TARGET_DOUBLE_WITH_ADD)))
- && ix86_match_ccmode (insn, CCGOCmode)
- && ix86_binary_operator_ok (ASHIFT, SImode, operands)"
-{
- switch (get_attr_type (insn))
- {
- case TYPE_ALU:
- gcc_assert (operands[2] == const1_rtx);
- return "add{l}\t%k0, %k0";
-
- default:
- if (REG_P (operands[2]))
- return "sal{l}\t{%b2, %k0|%k0, %b2}";
- else if (operands[2] == const1_rtx
- && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
- return "sal{l}\t%k0";
- else
- return "sal{l}\t{%2, %k0|%k0, %2}";
- }
-}
- [(set (attr "type")
- (cond [(and (ne (symbol_ref "TARGET_DOUBLE_WITH_ADD")
- (const_int 0))
- (match_operand 2 "const1_operand" ""))
- (const_string "alu")
- ]
- (const_string "ishift")))
- (set (attr "length_immediate")
- (if_then_else
- (ior (eq_attr "type" "alu")
- (and (eq_attr "type" "ishift")
- (and (match_operand 2 "const1_operand" "")
- (ne (symbol_ref "TARGET_SHIFT1 || optimize_function_for_size_p (cfun)")
- (const_int 0)))))
- (const_string "0")
- (const_string "*")))
- (set_attr "mode" "SI")])
-
-(define_expand "ashlhi3"
- [(set (match_operand:HI 0 "nonimmediate_operand" "")
- (ashift:HI (match_operand:HI 1 "nonimmediate_operand" "")
- (match_operand:QI 2 "nonmemory_operand" "")))]
- "TARGET_HIMODE_MATH"
- "ix86_expand_binary_operator (ASHIFT, HImode, operands); DONE;")
+ (set_attr "mode" "HI")])
(define_insn "*ashlhi3_1_lea"
[(set (match_operand:HI 0 "nonimmediate_operand" "=rm,r")
@@ -10263,132 +9849,46 @@
(const_string "*")))
(set_attr "mode" "HI,SI")])
-(define_insn "*ashlhi3_1"
- [(set (match_operand:HI 0 "nonimmediate_operand" "=rm")
- (ashift:HI (match_operand:HI 1 "nonimmediate_operand" "0")
- (match_operand:QI 2 "nonmemory_operand" "cI")))
+(define_insn "*ashlqi3_1"
+ [(set (match_operand:QI 0 "nonimmediate_operand" "=qm,r")
+ (ashift:QI (match_operand:QI 1 "nonimmediate_operand" "0,0")
+ (match_operand:QI 2 "nonmemory_operand" "cI,cI")))
(clobber (reg:CC FLAGS_REG))]
"TARGET_PARTIAL_REG_STALL
- && ix86_binary_operator_ok (ASHIFT, HImode, operands)"
-{
- switch (get_attr_type (insn))
- {
- case TYPE_ALU:
- gcc_assert (operands[2] == const1_rtx);
- return "add{w}\t%0, %0";
-
- default:
- if (REG_P (operands[2]))
- return "sal{w}\t{%b2, %0|%0, %b2}";
- else if (operands[2] == const1_rtx
- && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
- return "sal{w}\t%0";
- else
- return "sal{w}\t{%2, %0|%0, %2}";
- }
-}
- [(set (attr "type")
- (cond [(and (and (ne (symbol_ref "TARGET_DOUBLE_WITH_ADD")
- (const_int 0))
- (match_operand 0 "register_operand" ""))
- (match_operand 2 "const1_operand" ""))
- (const_string "alu")
- ]
- (const_string "ishift")))
- (set (attr "length_immediate")
- (if_then_else
- (ior (eq_attr "type" "alu")
- (and (eq_attr "type" "ishift")
- (and (match_operand 2 "const1_operand" "")
- (ne (symbol_ref "TARGET_SHIFT1 || optimize_function_for_size_p (cfun)")
- (const_int 0)))))
- (const_string "0")
- (const_string "*")))
- (set_attr "mode" "HI")])
-
-;; This pattern can't accept a variable shift count, since shifts by
-;; zero don't affect the flags. We assume that shifts by constant
-;; zero are optimized away.
-(define_insn "*ashlhi3_cmp"
- [(set (reg FLAGS_REG)
- (compare
- (ashift:HI (match_operand:HI 1 "nonimmediate_operand" "0")
- (match_operand:QI 2 "const_1_to_31_operand" "I"))
- (const_int 0)))
- (set (match_operand:HI 0 "nonimmediate_operand" "=rm")
- (ashift:HI (match_dup 1) (match_dup 2)))]
- "(optimize_function_for_size_p (cfun)
- || !TARGET_PARTIAL_FLAG_REG_STALL
- || (operands[2] == const1_rtx
- && (TARGET_SHIFT1
- || (TARGET_DOUBLE_WITH_ADD && REG_P (operands[0])))))
- && ix86_match_ccmode (insn, CCGOCmode)
- && ix86_binary_operator_ok (ASHIFT, HImode, operands)"
+ && ix86_binary_operator_ok (ASHIFT, QImode, operands)"
{
switch (get_attr_type (insn))
{
case TYPE_ALU:
gcc_assert (operands[2] == const1_rtx);
- return "add{w}\t%0, %0";
-
- default:
- if (REG_P (operands[2]))
- return "sal{w}\t{%b2, %0|%0, %b2}";
- else if (operands[2] == const1_rtx
- && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
- return "sal{w}\t%0";
+ if (REG_P (operands[1]) && !ANY_QI_REG_P (operands[1]))
+ return "add{l}\t%k0, %k0";
else
- return "sal{w}\t{%2, %0|%0, %2}";
- }
-}
- [(set (attr "type")
- (cond [(and (and (ne (symbol_ref "TARGET_DOUBLE_WITH_ADD")
- (const_int 0))
- (match_operand 0 "register_operand" ""))
- (match_operand 2 "const1_operand" ""))
- (const_string "alu")
- ]
- (const_string "ishift")))
- (set (attr "length_immediate")
- (if_then_else
- (ior (eq_attr "type" "alu")
- (and (eq_attr "type" "ishift")
- (and (match_operand 2 "const1_operand" "")
- (ne (symbol_ref "TARGET_SHIFT1 || optimize_function_for_size_p (cfun)")
- (const_int 0)))))
- (const_string "0")
- (const_string "*")))
- (set_attr "mode" "HI")])
-
-(define_insn "*ashlhi3_cconly"
- [(set (reg FLAGS_REG)
- (compare
- (ashift:HI (match_operand:HI 1 "nonimmediate_operand" "0")
- (match_operand:QI 2 "const_1_to_31_operand" "I"))
- (const_int 0)))
- (clobber (match_scratch:HI 0 "=r"))]
- "(optimize_function_for_size_p (cfun)
- || !TARGET_PARTIAL_FLAG_REG_STALL
- || (operands[2] == const1_rtx
- && (TARGET_SHIFT1
- || TARGET_DOUBLE_WITH_ADD)))
- && ix86_match_ccmode (insn, CCGOCmode)
- && ix86_binary_operator_ok (ASHIFT, HImode, operands)"
-{
- switch (get_attr_type (insn))
- {
- case TYPE_ALU:
- gcc_assert (operands[2] == const1_rtx);
- return "add{w}\t%0, %0";
+ return "add{b}\t%0, %0";
default:
if (REG_P (operands[2]))
- return "sal{w}\t{%b2, %0|%0, %b2}";
+ {
+ if (get_attr_mode (insn) == MODE_SI)
+ return "sal{l}\t{%b2, %k0|%k0, %b2}";
+ else
+ return "sal{b}\t{%b2, %0|%0, %b2}";
+ }
else if (operands[2] == const1_rtx
&& (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
- return "sal{w}\t%0";
+ {
+ if (get_attr_mode (insn) == MODE_SI)
+ return "sal{l}\t%0";
+ else
+ return "sal{b}\t%0";
+ }
else
- return "sal{w}\t{%2, %0|%0, %2}";
+ {
+ if (get_attr_mode (insn) == MODE_SI)
+ return "sal{l}\t{%2, %k0|%k0, %2}";
+ else
+ return "sal{b}\t{%2, %0|%0, %2}";
+ }
}
}
[(set (attr "type")
@@ -10408,17 +9908,9 @@
(const_int 0)))))
(const_string "0")
(const_string "*")))
- (set_attr "mode" "HI")])
-
-(define_expand "ashlqi3"
- [(set (match_operand:QI 0 "nonimmediate_operand" "")
- (ashift:QI (match_operand:QI 1 "nonimmediate_operand" "")
- (match_operand:QI 2 "nonmemory_operand" "")))]
- "TARGET_QIMODE_MATH"
- "ix86_expand_binary_operator (ASHIFT, QImode, operands); DONE;")
+ (set_attr "mode" "QI,SI")])
;; %%% Potential partial reg stall on alternative 2. What to do?
-
(define_insn "*ashlqi3_1_lea"
[(set (match_operand:QI 0 "nonimmediate_operand" "=qm,r,r")
(ashift:QI (match_operand:QI 1 "nonimmediate_operand" "0,0,l")
@@ -10484,46 +9976,113 @@
(const_string "*")))
(set_attr "mode" "QI,SI,SI")])
-(define_insn "*ashlqi3_1"
- [(set (match_operand:QI 0 "nonimmediate_operand" "=qm,r")
- (ashift:QI (match_operand:QI 1 "nonimmediate_operand" "0,0")
- (match_operand:QI 2 "nonmemory_operand" "cI,cI")))
+;; Convert lea to the lea pattern to avoid flags dependency.
+(define_split
+ [(set (match_operand:DI 0 "register_operand" "")
+ (ashift:DI (match_operand:DI 1 "index_register_operand" "")
+ (match_operand:QI 2 "const_int_operand" "")))
(clobber (reg:CC FLAGS_REG))]
- "TARGET_PARTIAL_REG_STALL
- && ix86_binary_operator_ok (ASHIFT, QImode, operands)"
+ "TARGET_64BIT && reload_completed
+ && true_regnum (operands[0]) != true_regnum (operands[1])"
+ [(set (match_dup 0)
+ (mult:DI (match_dup 1)
+ (match_dup 2)))]
+ "operands[2] = gen_int_mode (1 << INTVAL (operands[2]), DImode);")
+
+;; Convert lea to the lea pattern to avoid flags dependency.
+(define_split
+ [(set (match_operand 0 "register_operand" "")
+ (ashift (match_operand 1 "index_register_operand" "")
+ (match_operand:QI 2 "const_int_operand" "")))
+ (clobber (reg:CC FLAGS_REG))]
+ "reload_completed
+ && true_regnum (operands[0]) != true_regnum (operands[1])
+ && GET_MODE_SIZE (GET_MODE (operands[0])) <= 4"
+ [(const_int 0)]
+{
+ rtx pat;
+ enum machine_mode mode = GET_MODE (operands[0]);
+
+ if (GET_MODE_SIZE (mode) < 4)
+ operands[0] = gen_lowpart (SImode, operands[0]);
+ if (mode != Pmode)
+ operands[1] = gen_lowpart (Pmode, operands[1]);
+ operands[2] = gen_int_mode (1 << INTVAL (operands[2]), Pmode);
+
+ pat = gen_rtx_MULT (Pmode, operands[1], operands[2]);
+ if (Pmode != SImode)
+ pat = gen_rtx_SUBREG (SImode, pat, 0);
+ emit_insn (gen_rtx_SET (VOIDmode, operands[0], pat));
+ DONE;
+})
+
+;; Rare case of shifting RSP is handled by generating move and shift
+(define_split
+ [(set (match_operand 0 "register_operand" "")
+ (ashift (match_operand 1 "register_operand" "")
+ (match_operand:QI 2 "const_int_operand" "")))
+ (clobber (reg:CC FLAGS_REG))]
+ "reload_completed
+ && true_regnum (operands[0]) != true_regnum (operands[1])"
+ [(const_int 0)]
+{
+ rtx pat, clob;
+ emit_move_insn (operands[0], operands[1]);
+ pat = gen_rtx_SET (VOIDmode, operands[0],
+ gen_rtx_ASHIFT (GET_MODE (operands[0]),
+ operands[0], operands[2]));
+ clob = gen_rtx_CLOBBER (VOIDmode, gen_rtx_REG (CCmode, FLAGS_REG));
+ emit_insn (gen_rtx_PARALLEL (VOIDmode, gen_rtvec (2, pat, clob)));
+ DONE;
+})
+
+;; Convert lea to the lea pattern to avoid flags dependency.
+(define_split
+ [(set (match_operand:DI 0 "register_operand" "")
+ (zero_extend:DI
+ (ashift:SI (match_operand:SI 1 "register_operand" "")
+ (match_operand:QI 2 "const_int_operand" ""))))
+ (clobber (reg:CC FLAGS_REG))]
+ "TARGET_64BIT && reload_completed
+ && true_regnum (operands[0]) != true_regnum (operands[1])"
+ [(set (match_dup 0)
+ (zero_extend:DI (subreg:SI (mult:SI (match_dup 1) (match_dup 2)) 0)))]
+{
+ operands[1] = gen_lowpart (Pmode, operands[1]);
+ operands[2] = gen_int_mode (1 << INTVAL (operands[2]), Pmode);
+})
+
+;; This pattern can't accept a variable shift count, since shifts by
+;; zero don't affect the flags. We assume that shifts by constant
+;; zero are optimized away.
+(define_insn "*ashl<mode>3_cmp"
+ [(set (reg FLAGS_REG)
+ (compare
+ (ashift:SWI (match_operand:SWI 1 "nonimmediate_operand" "0")
+ (match_operand:QI 2 "<shift_immediate_operand>" "<S>"))
+ (const_int 0)))
+ (set (match_operand:SWI 0 "nonimmediate_operand" "=<r>m")
+ (ashift:SWI (match_dup 1) (match_dup 2)))]
+ "(optimize_function_for_size_p (cfun)
+ || !TARGET_PARTIAL_FLAG_REG_STALL
+ || (operands[2] == const1_rtx
+ && (TARGET_SHIFT1
+ || (TARGET_DOUBLE_WITH_ADD && REG_P (operands[0])))))
+ && ix86_match_ccmode (insn, CCGOCmode)
+ && ix86_binary_operator_ok (ASHIFT, <MODE>mode, operands)"
{
switch (get_attr_type (insn))
{
case TYPE_ALU:
gcc_assert (operands[2] == const1_rtx);
- if (REG_P (operands[1]) && !ANY_QI_REG_P (operands[1]))
- return "add{l}\t%k0, %k0";
- else
- return "add{b}\t%0, %0";
+ return "add{<imodesuffix>}\t%0, %0";
default:
- if (REG_P (operands[2]))
- {
- if (get_attr_mode (insn) == MODE_SI)
- return "sal{l}\t{%b2, %k0|%k0, %b2}";
- else
- return "sal{b}\t{%b2, %0|%0, %b2}";
- }
- else if (operands[2] == const1_rtx
- && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
- {
- if (get_attr_mode (insn) == MODE_SI)
- return "sal{l}\t%0";
- else
- return "sal{b}\t%0";
- }
+ if (operands[2] == const1_rtx
+ && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
+ return "sal{<imodesuffix>}\t%0";
else
- {
- if (get_attr_mode (insn) == MODE_SI)
- return "sal{l}\t{%2, %k0|%k0, %2}";
- else
- return "sal{b}\t{%2, %0|%0, %2}";
- }
+ return "sal{<imodesuffix>}\t{%2, %0|%0, %2}";
}
}
[(set (attr "type")
@@ -10543,47 +10102,42 @@
(const_int 0)))))
(const_string "0")
(const_string "*")))
- (set_attr "mode" "QI,SI")])
+ (set_attr "mode" "<MODE>")])
-;; This pattern can't accept a variable shift count, since shifts by
-;; zero don't affect the flags. We assume that shifts by constant
-;; zero are optimized away.
-(define_insn "*ashlqi3_cmp"
+(define_insn "*ashlsi3_cmp_zext"
[(set (reg FLAGS_REG)
(compare
- (ashift:QI (match_operand:QI 1 "nonimmediate_operand" "0")
+ (ashift:SI (match_operand:SI 1 "register_operand" "0")
(match_operand:QI 2 "const_1_to_31_operand" "I"))
(const_int 0)))
- (set (match_operand:QI 0 "nonimmediate_operand" "=qm")
- (ashift:QI (match_dup 1) (match_dup 2)))]
- "(optimize_function_for_size_p (cfun)
- || !TARGET_PARTIAL_FLAG_REG_STALL
- || (operands[2] == const1_rtx
- && (TARGET_SHIFT1
- || (TARGET_DOUBLE_WITH_ADD && REG_P (operands[0])))))
+ (set (match_operand:DI 0 "register_operand" "=r")
+ (zero_extend:DI (ashift:SI (match_dup 1) (match_dup 2))))]
+ "TARGET_64BIT
+ && (optimize_function_for_size_p (cfun)
+ || !TARGET_PARTIAL_FLAG_REG_STALL
+ || (operands[2] == const1_rtx
+ && (TARGET_SHIFT1
+ || TARGET_DOUBLE_WITH_ADD)))
&& ix86_match_ccmode (insn, CCGOCmode)
- && ix86_binary_operator_ok (ASHIFT, QImode, operands)"
+ && ix86_binary_operator_ok (ASHIFT, SImode, operands)"
{
switch (get_attr_type (insn))
{
case TYPE_ALU:
gcc_assert (operands[2] == const1_rtx);
- return "add{b}\t%0, %0";
+ return "add{l}\t%k0, %k0";
default:
- if (REG_P (operands[2]))
- return "sal{b}\t{%b2, %0|%0, %b2}";
- else if (operands[2] == const1_rtx
- && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
- return "sal{b}\t%0";
+ if (operands[2] == const1_rtx
+ && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
+ return "sal{l}\t%k0";
else
- return "sal{b}\t{%2, %0|%0, %2}";
+ return "sal{l}\t{%2, %k0|%k0, %2}";
}
}
[(set (attr "type")
- (cond [(and (and (ne (symbol_ref "TARGET_DOUBLE_WITH_ADD")
- (const_int 0))
- (match_operand 0 "register_operand" ""))
+ (cond [(and (ne (symbol_ref "TARGET_DOUBLE_WITH_ADD")
+ (const_int 0))
(match_operand 2 "const1_operand" ""))
(const_string "alu")
]
@@ -10597,37 +10151,35 @@
(const_int 0)))))
(const_string "0")
(const_string "*")))
- (set_attr "mode" "QI")])
+ (set_attr "mode" "SI")])
-(define_insn "*ashlqi3_cconly"
+(define_insn "*ashl<mode>3_cconly"
[(set (reg FLAGS_REG)
(compare
- (ashift:QI (match_operand:QI 1 "nonimmediate_operand" "0")
- (match_operand:QI 2 "const_1_to_31_operand" "I"))
+ (ashift:SWI (match_operand:SWI 1 "nonimmediate_operand" "0")
+ (match_operand:QI 2 "<shift_immediate_operand>" "<S>"))
(const_int 0)))
- (clobber (match_scratch:QI 0 "=q"))]
+ (clobber (match_scratch:SWI 0 "=<r>"))]
"(optimize_function_for_size_p (cfun)
|| !TARGET_PARTIAL_FLAG_REG_STALL
|| (operands[2] == const1_rtx
&& (TARGET_SHIFT1
|| TARGET_DOUBLE_WITH_ADD)))
&& ix86_match_ccmode (insn, CCGOCmode)
- && ix86_binary_operator_ok (ASHIFT, QImode, operands)"
+ && ix86_binary_operator_ok (ASHIFT, <MODE>mode, operands)"
{
switch (get_attr_type (insn))
{
case TYPE_ALU:
gcc_assert (operands[2] == const1_rtx);
- return "add{b}\t%0, %0";
+ return "add{<imodesuffix>}\t%0, %0";
default:
- if (REG_P (operands[2]))
- return "sal{b}\t{%b2, %0|%0, %b2}";
- else if (operands[2] == const1_rtx
- && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
- return "sal{b}\t%0";
+ if (operands[2] == const1_rtx
+ && (TARGET_SHIFT1 || optimize_function_for_size_p (cfun)))
+ return "sal{<imodesuffix>}\t%0";
else
- return "sal{b}\t{%2, %0|%0, %2}";
+ return "sal{<imodesuffix>}\t{%2, %0|%0, %2}";
}
}
[(set (attr "type")
@@ -10647,7 +10199,7 @@
(const_int 0)))))
(const_string "0")
(const_string "*")))
- (set_attr "mode" "QI")])
+ (set_attr "mode" "<MODE>")])
;; See comment above `ashldi3' about how this works.
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 09aa4cc..51895ee 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -308,7 +308,7 @@
* gcc.c-torture/execute/pr43629.c: New testcase.
2010-04-01 Janne Blomqvist <jb@gcc.gnu.org>
- Dominique d'Humieres <dominiq@lps.ens.fr>
+ Dominique d'Humieres <dominiq@lps.ens.fr>
PR libfortran/43605
* gfortran.dg/ftell_3.f90: Enhance test case by reading more.