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This patch does three related things for the moxie port... 

1. Changes char to be unsigned by default
2. Changes WCHAR_TYPE from long int to unsigned int
3. Zero- and sign-extends values properly, sometimes using the new
    sign-extension instructions.

From-SVN: r209047
This commit is contained in:
Anthony Green 2014-04-03 02:11:34 +00:00 committed by Anthony Green
parent db034eacd3
commit 2b9912aa3c
3 changed files with 59 additions and 2 deletions
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7
gcc/ChangeLog
View File

@ -1,3 +1,10 @@
2014-04-02 Anthony Green <green@moxielogic.com>
* config/moxie/moxie.md (zero_extendqisi2, zero_extendhisi2)
(extendqisi2, extendhisi2): Define.
* config/moxie/moxie.h (DEFAULT_SIGNED_CHAR): Change to 0.
(WCHAR_TYPE): Change to unsigned int.
2014-04-02 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
PR tree-optimization/60733

4
gcc/config/moxie/moxie.h
View File

@ -59,7 +59,7 @@
#define DOUBLE_TYPE_SIZE 64
#define LONG_DOUBLE_TYPE_SIZE 64
#define DEFAULT_SIGNED_CHAR 1
#define DEFAULT_SIGNED_CHAR 0
#undef SIZE_TYPE
#define SIZE_TYPE "unsigned int"
@ -68,7 +68,7 @@
#define PTRDIFF_TYPE "int"
#undef WCHAR_TYPE
#define WCHAR_TYPE "long int"
#define WCHAR_TYPE "unsigned int"
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE BITS_PER_WORD

50
gcc/config/moxie/moxie.md
View File

@ -239,6 +239,56 @@
ldo.l %0, %1"
[(set_attr "length" "2,2,6,2,6,2,6,6,6")])
(define_insn_and_split "zero_extendqisi2"
[(set (match_operand:SI 0 "register_operand" "=r,r,r,r")
(zero_extend:SI (match_operand:QI 1 "nonimmediate_operand" "0,W,A,B")))]
""
"@
;
ld.b %0, %1
lda.b %0, %1
ldo.b %0, %1
"reload_completed"
[(set (match_dup 2) (match_dup 1))
(set (match_dup 0) (zero_extend:SI (match_dup 2)))]
{
operands[2] = gen_lowpart (QImode, operands[0]);
}
[(set_attr "length" "0,2,6,6")])
(define_insn_and_split "zero_extendhisi2"
[(set (match_operand:SI 0 "register_operand" "=r,r,r,r")
(zero_extend:SI (match_operand:HI 1 "nonimmediate_operand" "0,W,A,B")))]
""
"@
;
ld.s %0, %1
lda.s %0, %1
ldo.s %0, %1
"reload_completed"
[(set (match_dup 2) (match_dup 1))
(set (match_dup 0) (zero_extend:SI (match_dup 2)))]
{
operands[2] = gen_lowpart (HImode, operands[0]);
}
[(set_attr "length" "0,2,6,6")])
(define_insn "extendqisi2"
[(set (match_operand:SI 0 "register_operand" "=r")
(sign_extend:SI (match_operand:QI 1 "nonimmediate_operand" "r")))]
""
"@
sex.b %0, %1"
[(set_attr "length" "2")])
(define_insn "extendhisi2"
[(set (match_operand:SI 0 "register_operand" "=r")
(sign_extend:SI (match_operand:HI 1 "nonimmediate_operand" "r")))]
""
"@
sex.s %0, %1"
[(set_attr "length" "2")])
(define_expand "movqi"
[(set (match_operand:QI 0 "general_operand" "")
(match_operand:QI 1 "general_operand" ""))]