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| author | Eric Botcazou <ebotcazou@adacore.com> | 2012-03-24 18:58:16 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2012-03-24 18:58:16 +0000 |
| commit | 8c5f2327427996b4b25ad6a4e0ce69832d025ea2 (patch) | |
| tree | 8b56495d0a18919c674f5f41031ad58cdb34b516 /gcc | |
| parent | c4133027cf60da006ef88c3c2b65d3395f3d01e7 (diff) | |
| download | gcc-8c5f2327427996b4b25ad6a4e0ce69832d025ea2.zip gcc-8c5f2327427996b4b25ad6a4e0ce69832d025ea2.tar.gz gcc-8c5f2327427996b4b25ad6a4e0ce69832d025ea2.tar.bz2 | |
expr.c (optimize_bitfield_assignment_op): Use str_mode and str_bitsize instead of more convoluted expressions.
* expr.c (optimize_bitfield_assignment_op) <BIT_IOR_EXPR>: Use str_mode
and str_bitsize instead of more convoluted expressions.
From-SVN: r185767
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/expr.c | 23 |
2 files changed, 14 insertions, 14 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 24f316e..9981622 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2012-03-24 Eric Botcazou <ebotcazou@adacore.com> + * expr.c (optimize_bitfield_assignment_op) <BIT_IOR_EXPR>: Use str_mode + and str_bitsize instead of more convoluted expressions. + +2012-03-24 Eric Botcazou <ebotcazou@adacore.com> + PR target/52610 * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon. @@ -4387,8 +4387,7 @@ optimize_bitfield_assignment_op (unsigned HOST_WIDE_INT bitsize, value = expand_and (str_mode, value, const1_rtx, NULL); binop = xor_optab; } - value = expand_shift (LSHIFT_EXPR, str_mode, value, - bitpos, NULL_RTX, 1); + value = expand_shift (LSHIFT_EXPR, str_mode, value, bitpos, NULL_RTX, 1); result = expand_binop (str_mode, binop, str_rtx, value, str_rtx, 1, OPTAB_WIDEN); if (result != str_rtx) @@ -4399,8 +4398,8 @@ optimize_bitfield_assignment_op (unsigned HOST_WIDE_INT bitsize, case BIT_XOR_EXPR: if (TREE_CODE (op1) != INTEGER_CST) break; - value = expand_expr (op1, NULL_RTX, GET_MODE (str_rtx), EXPAND_NORMAL); - value = convert_modes (GET_MODE (str_rtx), + value = expand_expr (op1, NULL_RTX, str_mode, EXPAND_NORMAL); + value = convert_modes (str_mode, TYPE_MODE (TREE_TYPE (op1)), value, TYPE_UNSIGNED (TREE_TYPE (op1))); @@ -4414,16 +4413,13 @@ optimize_bitfield_assignment_op (unsigned HOST_WIDE_INT bitsize, } binop = code == BIT_IOR_EXPR ? ior_optab : xor_optab; - if (bitpos + bitsize != GET_MODE_BITSIZE (GET_MODE (str_rtx))) + if (bitpos + bitsize != str_bitsize) { - rtx mask = GEN_INT (((unsigned HOST_WIDE_INT) 1 << bitsize) - - 1); - value = expand_and (GET_MODE (str_rtx), value, mask, - NULL_RTX); + rtx mask = GEN_INT (((unsigned HOST_WIDE_INT) 1 << bitsize) - 1); + value = expand_and (str_mode, value, mask, NULL_RTX); } - value = expand_shift (LSHIFT_EXPR, GET_MODE (str_rtx), value, - bitpos, NULL_RTX, 1); - result = expand_binop (GET_MODE (str_rtx), binop, str_rtx, + value = expand_shift (LSHIFT_EXPR, str_mode, value, bitpos, NULL_RTX, 1); + result = expand_binop (str_mode, binop, str_rtx, value, str_rtx, 1, OPTAB_WIDEN); if (result != str_rtx) emit_move_insn (str_rtx, result); @@ -6348,8 +6344,7 @@ store_field (rtx target, HOST_WIDE_INT bitsize, HOST_WIDE_INT bitpos, GET_MODE_BITSIZE (GET_MODE (temp)) - bitsize, NULL_RTX, 1); - /* Unless MODE is VOIDmode or BLKmode, convert TEMP to - MODE. */ + /* Unless MODE is VOIDmode or BLKmode, convert TEMP to MODE. */ if (mode != VOIDmode && mode != BLKmode && mode != TYPE_MODE (TREE_TYPE (exp))) temp = convert_modes (mode, TYPE_MODE (TREE_TYPE (exp)), temp, 1); |