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| author | Jan Beulich <jbeulich@novell.com> | 2005-07-18 06:35:48 +0000 |
|---|---|---|
| committer | Jan Beulich <jbeulich@gcc.gnu.org> | 2005-07-18 06:35:48 +0000 |
| commit | 422edd6fff341fb237a5fab947a1356f94172953 (patch) | |
| tree | 900b54722ddfc741e98e87750e75debf5ee83456 | |
| parent | ba9bb602ee11a1ff57e4d753cfc15644fdd23cab (diff) | |
| download | gcc-422edd6fff341fb237a5fab947a1356f94172953.zip gcc-422edd6fff341fb237a5fab947a1356f94172953.tar.gz gcc-422edd6fff341fb237a5fab947a1356f94172953.tar.bz2 | |
i386.md (movdi_extzv_1): New.
gcc/
2005-07-18 Jan Beulich <jbeulich@novell.com>
* i386.md (movdi_extzv_1): New.
(zero_extendhidi2): Combine alternatives and never force use of
REX64 prefix.
(zero_extendqidi2): Likewise. Don't restrict input selection.
From-SVN: r102128
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/i386/i386.md | 30 |
2 files changed, 25 insertions, 12 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f5896da..5438586 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2005-07-18 Jan Beulich <jbeulich@novell.com> + + * i386.md (movdi_extzv_1): New. + (zero_extendhidi2): Combine alternatives and never force use of + REX64 prefix. + (zero_extendqidi2): Likewise. Don't restrict input selection. + 2005-07-17 Daniel Berlin <dberlin@dberlin.org> Fix PR tree-optimization/22531 diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index d3a085b..e7f2e22 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -1685,6 +1685,16 @@ (set_attr "memory" "load") (set_attr "mode" "QI")]) +(define_insn "*movdi_extzv_1" + [(set (match_operand:DI 0 "register_operand" "=R") + (zero_extract:DI (match_operand 1 "ext_register_operand" "Q") + (const_int 8) + (const_int 8)))] + "TARGET_64BIT" + "movz{bl|x}\t{%h1, %k0|%k0, %h1}" + [(set_attr "type" "imovx") + (set_attr "mode" "DI")]) + (define_insn "*movsi_extzv_1" [(set (match_operand:SI 0 "register_operand" "=R") (zero_extract:SI (match_operand 1 "ext_register_operand" "Q") @@ -3189,24 +3199,20 @@ "split_di (&operands[0], 1, &operands[3], &operands[4]);") (define_insn "zero_extendhidi2" - [(set (match_operand:DI 0 "register_operand" "=r,r") - (zero_extend:DI (match_operand:HI 1 "nonimmediate_operand" "r,m")))] + [(set (match_operand:DI 0 "register_operand" "=r") + (zero_extend:DI (match_operand:HI 1 "nonimmediate_operand" "rm")))] "TARGET_64BIT" - "@ - movz{wl|x}\t{%1, %k0|%k0, %1} - movz{wq|x}\t{%1, %0|%0, %1}" + "movz{wl|x}\t{%1, %k0|%k0, %1}" [(set_attr "type" "imovx") - (set_attr "mode" "SI,DI")]) + (set_attr "mode" "DI")]) (define_insn "zero_extendqidi2" - [(set (match_operand:DI 0 "register_operand" "=r,r") - (zero_extend:DI (match_operand:QI 1 "nonimmediate_operand" "Q,m")))] + [(set (match_operand:DI 0 "register_operand" "=r") + (zero_extend:DI (match_operand:QI 1 "nonimmediate_operand" "rm")))] "TARGET_64BIT" - "@ - movz{bl|x}\t{%1, %k0|%k0, %1} - movz{bq|x}\t{%1, %0|%0, %1}" + "movz{bl|x}\t{%1, %k0|%k0, %1}" [(set_attr "type" "imovx") - (set_attr "mode" "SI,DI")]) + (set_attr "mode" "DI")]) ;; Sign extension instructions |