yggdrasil/gcc
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

thumb2.md (thumb2_zero_extendhidi2): New insn and split.

Browse Source 
* arm/thumb2.md (thumb2_zero_extendhidi2): New insn and split.
	(thumb2_extendhidi2): Likewise.

From-SVN: r148026
This commit is contained in:
Richard Earnshaw 2009-06-01 00:23:52 +00:00 committed by Richard Earnshaw
parent 3240b4d6fc
commit 54b2b4605f
2 changed files with 54 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
gcc/ChangeLog
View File

@ -1,3 +1,8 @@
2009-06-01 Richard Earnshaw <rearnsha@arm.com>
* arm/thumb2.md (thumb2_zero_extendhidi2): New insn and split.
(thumb2_extendhidi2): Likewise.
2009-05-31 Ian Lance Taylor <iant@google.com>
* regstat.c (regstat_n_sets_and_refs): Remove duplicate

49
gcc/config/arm/thumb2.md
View File

@ -870,6 +870,31 @@
(set_attr "predicable" "yes")]
)
(define_insn_and_split "*thumb2_zero_extendhidi2"
[(set (match_operand:DI 0 "s_register_operand" "=r,r")
(zero_extend:DI (match_operand:HI 1 "nonimmediate_operand" "r,m")))]
"TARGET_THUMB2"
"@
uxth%?\\t%Q0, %1\;mov%?\\t%R0, #0
ldr%(h%)\\t%Q0, %1\;mov%?\\t%R0, #0"
"&& reload_completed"
[(set (match_dup 0) (zero_extend:SI (match_dup 1)))
(set (match_dup 2) (match_dup 3))]
"
{
operands[2] = gen_highpart (SImode, operands[0]);
operands[0] = gen_lowpart (SImode, operands[0]);
operands[3] = const0_rtx;
}
"
[(set_attr "length" "8")
(set_attr "ce_count" "2")
(set_attr "predicable" "yes")
(set_attr "type" "*,load_byte")
(set_attr "pool_range" "*,4092")
(set_attr "neg_pool_range" "*,250")]
)
(define_insn_and_split "*thumb2_zero_extendqidi2"
[(set (match_operand:DI 0 "s_register_operand" "=r,r")
(zero_extend:DI (match_operand:QI 1 "nonimmediate_operand" "r,m")))]
@ -915,6 +940,30 @@
(set_attr "predicable" "yes")]
)
(define_insn_and_split "*thumb2_extendhidi2"
[(set (match_operand:DI 0 "s_register_operand" "=r,r")
(sign_extend:DI (match_operand:HI 1 "nonimmediate_operand" "r,m")))]
"TARGET_THUMB2"
"@
sxth%?\\t%Q0, %1\;asr%?\\t%R0, %Q0, #31
ldrsh%?\\t%Q0, %1\;asr%?\\t%R0, %Q0, #31"
"&& reload_completed"
[(set (match_dup 0) (sign_extend:SI (match_dup 1)))
(set (match_dup 2) (ashiftrt:SI (match_dup 0) (const_int 31)))]
"
{
operands[2] = gen_highpart (SImode, operands[0]);
operands[0] = gen_lowpart (SImode, operands[0]);
}
"
[(set_attr "length" "8")
(set_attr "ce_count" "2")
(set_attr "predicable" "yes")
(set_attr "type" "*,load_byte")
(set_attr "pool_range" "*,4092")
(set_attr "neg_pool_range" "*,250")]
)
(define_insn_and_split "*thumb2_extendqidi2"
[(set (match_operand:DI 0 "s_register_operand" "=r,r")
(sign_extend:DI (match_operand:QI 1 "nonimmediate_operand" "r,m")))]