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| author | Anthony Green <green@moxielogic.com> | 2014-04-03 02:11:34 +0000 |
|---|---|---|
| committer | Anthony Green <green@gcc.gnu.org> | 2014-04-03 02:11:34 +0000 |
| commit | 2b9912aa3c48b911e6382355b6756e45002a604e (patch) | |
| tree | a5a55568c37cbe8202d239c644d3780405a87c21 | |
| parent | db034eacd3c55f2a3b49ac71cd23a5a890759bb1 (diff) | |
| download | gcc-2b9912aa3c48b911e6382355b6756e45002a604e.zip gcc-2b9912aa3c48b911e6382355b6756e45002a604e.tar.gz gcc-2b9912aa3c48b911e6382355b6756e45002a604e.tar.bz2 | |
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
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/moxie/moxie.h | 4 | ||||
| -rw-r--r-- | gcc/config/moxie/moxie.md | 50 |
3 files changed, 59 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6a473c8..ec100b2 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -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 diff --git a/gcc/config/moxie/moxie.h b/gcc/config/moxie/moxie.h index 5379a43..3a01dba 100644 --- a/gcc/config/moxie/moxie.h +++ b/gcc/config/moxie/moxie.h @@ -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 diff --git a/gcc/config/moxie/moxie.md b/gcc/config/moxie/moxie.md index 713f9b6..edefef8 100644 --- a/gcc/config/moxie/moxie.md +++ b/gcc/config/moxie/moxie.md @@ -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" ""))] |