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| author | J"orn Rennecke <joern.rennecke@superh.com> | 2002-10-31 12:53:06 +0000 |
|---|---|---|
| committer | Joern Rennecke <amylaar@gcc.gnu.org> | 2002-10-31 12:53:06 +0000 |
| commit | ff881d522904fd2d31d320e0c123a50979617479 (patch) | |
| tree | d503c78a995cd6c96064902035ad21801537af7b /gcc | |
| parent | e8e4c876bcf67039d8f9a8694a4cac4c82f1fb55 (diff) | |
| download | gcc-ff881d522904fd2d31d320e0c123a50979617479.zip gcc-ff881d522904fd2d31d320e0c123a50979617479.tar.gz gcc-ff881d522904fd2d31d320e0c123a50979617479.tar.bz2 | |
sh.h (binary_logical_operator): Declare.
* sh.h (binary_logical_operator): Declare.
* sh.c (binary_logical_operator): New function.
* sh.md (xordi3+1): New combiner splitter pattern.
From-SVN: r58675
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/sh/sh.c | 19 | ||||
| -rw-r--r-- | gcc/config/sh/sh.h | 1 | ||||
| -rw-r--r-- | gcc/config/sh/sh.md | 27 |
4 files changed, 53 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 15eaa39..95b754a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +Thu Oct 31 12:45:55 2002 J"orn Rennecke <joern.rennecke@superh.com> + + * sh.h (binary_logical_operator): Declare. + * sh.c (binary_logical_operator): New function. + * sh.md (xordi3+1): New combiner splitter pattern. + 2002-10-31 David O'Brien <obrien@FreeBSD.org> * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Define diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c index 3521c47..4e6981b 100644 --- a/gcc/config/sh/sh.c +++ b/gcc/config/sh/sh.c @@ -6177,6 +6177,25 @@ binary_float_operator (op, mode) } int +binary_logical_operator (op, mode) + rtx op; + enum machine_mode mode; +{ + if (GET_MODE (op) != mode) + return 0; + switch (GET_CODE (op)) + { + case IOR: + case AND: + case XOR: + return 1; + default: + break; + } + return 0; +} + +int equality_comparison_operator (op, mode) rtx op; enum machine_mode mode; diff --git a/gcc/config/sh/sh.h b/gcc/config/sh/sh.h index 64a0f2a..d0bbbdf 100644 --- a/gcc/config/sh/sh.h +++ b/gcc/config/sh/sh.h @@ -3225,6 +3225,7 @@ extern int rtx_equal_function_value_matters; {"arith_reg_operand", {SUBREG, REG}}, \ {"arith_reg_or_0_operand", {SUBREG, REG, CONST_INT, CONST_VECTOR}}, \ {"binary_float_operator", {PLUS, MINUS, MULT, DIV}}, \ + {"binary_logical_operator", {AND, IOR, XOR}}, \ {"commutative_float_operator", {PLUS, MULT}}, \ {"equality_comparison_operator", {EQ,NE}}, \ {"extend_reg_operand", {SUBREG, REG, TRUNCATE}}, \ diff --git a/gcc/config/sh/sh.md b/gcc/config/sh/sh.md index 00a91df..95b1406 100644 --- a/gcc/config/sh/sh.md +++ b/gcc/config/sh/sh.md @@ -2038,6 +2038,33 @@ xor %1, %2, %0 xori %1, %2, %0" [(set_attr "type" "arith_media")]) + +;; Combiner bridge pattern for 2 * sign extend -> logical op -> truncate. +;; converts 2 * sign extend -> logical op into logical op -> sign extend +(define_split + [(set (match_operand:DI 0 "arith_reg_operand" "") + (sign_extend:DI (match_operator 4 "binary_logical_operator" + [(match_operand 1 "any_register_operand" "") + (match_operand 2 "any_register_operand" "")])))] + "TARGET_SHMEDIA" + [(set (match_dup 5) (match_dup 4)) + (set (match_dup 0) (sign_extend:DI (match_dup 5)))] +" +{ + enum machine_mode inmode = GET_MODE (operands[1]); + int regno, offset = 0; + + if (GET_CODE (operands[0]) == SUBREG) + { + offset = SUBREG_BYTE (operands[0]); + operands[0] = SUBREG_REG (operands[0]); + } + if (GET_CODE (operands[0]) != REG) + abort (); + if (! TARGET_LITTLE_ENDIAN) + offset += 8 - GET_MODE_SIZE (inmode); + operands[5] = gen_rtx_SUBREG (inmode, operands[0], offset); +}") ;; ------------------------------------------------------------------------- ;; Shifts and rotates |