diff options
| author | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-12-17 12:11:40 +0000 |
|---|---|---|
| committer | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-12-17 12:11:40 +0000 |
| commit | e534aceb45dfc8a56febddf7e3dbee5144d0be9f (patch) | |
| tree | c1d8c03d201912b33c62261fa56ad15abfe0994c | |
| parent | 76058579466865b1b832b659a3d6b09cb84394a7 (diff) | |
| download | ppe42-gcc-e534aceb45dfc8a56febddf7e3dbee5144d0be9f.tar.gz ppe42-gcc-e534aceb45dfc8a56febddf7e3dbee5144d0be9f.zip | |
* expmed.c (lowpart_bit_field_p): Fix comment.
(store_bit_field_using_insv): Fix formatting.
(store_bit_field): Likewise.
(store_fixed_bit_field): More declaration and remove return.
(store_fixed_bit_field_1): Fix formatting.
(extract_fixed_bit_field): Move declaration.
(extract_fixed_bit_field_1): Simplify.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@206044 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 10 | ||||
| -rw-r--r-- | gcc/expmed.c | 29 |
2 files changed, 21 insertions, 18 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7da6fc478cb..3bd3247eb37 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,13 @@ +2013-12-17 Eric Botcazou <ebotcazou@adacore.com> + + * expmed.c (lowpart_bit_field_p): Fix comment. + (store_bit_field_using_insv): Fix formatting. + (store_bit_field): Likewise. + (store_fixed_bit_field): More declaration and remove return. + (store_fixed_bit_field_1): Fix formatting. + (extract_fixed_bit_field): Move declaration. + (extract_fixed_bit_field_1): Simplify. + 2013-12-17 Jan Hubicka <hubicka@ucw.cz> * ipa-utils.h (possible_polymorphic_call_targets): Determine context of diff --git a/gcc/expmed.c b/gcc/expmed.c index 3a6c919ce22..f672678a2d8 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -422,7 +422,7 @@ lowpart_bit_field_p (unsigned HOST_WIDE_INT bitnum, return bitnum % BITS_PER_WORD == 0; } -/* Return true if -fstrict-volatile-bitfields applies an access of OP0 +/* Return true if -fstrict-volatile-bitfields applies to an access of OP0 containing BITSIZE bits starting at BITNUM, with field mode FIELDMODE. Return false if the access would touch memory outside the range BITREGION_START to BITREGION_END for conformance to the C++ memory @@ -490,7 +490,8 @@ simple_mem_bitfield_p (rtx op0, unsigned HOST_WIDE_INT bitsize, static bool store_bit_field_using_insv (const extraction_insn *insv, rtx op0, unsigned HOST_WIDE_INT bitsize, - unsigned HOST_WIDE_INT bitnum, rtx value) + unsigned HOST_WIDE_INT bitnum, + rtx value) { struct expand_operand ops[4]; rtx value1; @@ -940,7 +941,6 @@ store_bit_field (rtx str_rtx, unsigned HOST_WIDE_INT bitsize, if (strict_volatile_bitfield_p (str_rtx, bitsize, bitnum, fieldmode, bitregion_start, bitregion_end)) { - /* Storing any naturally aligned field can be done with a simple store. For targets that support fast unaligned memory, any naturally sized, unit aligned field can be done directly. */ @@ -957,8 +957,7 @@ store_bit_field (rtx str_rtx, unsigned HOST_WIDE_INT bitsize, /* Explicitly override the C/C++ memory model; ignore the bit range so that we can do the access in the mode mandated by -fstrict-volatile-bitfields instead. */ - store_fixed_bit_field_1 (str_rtx, bitsize, bitnum, - value); + store_fixed_bit_field_1 (str_rtx, bitsize, bitnum, value); } return; @@ -1002,8 +1001,6 @@ store_fixed_bit_field (rtx op0, unsigned HOST_WIDE_INT bitsize, unsigned HOST_WIDE_INT bitregion_end, rtx value) { - enum machine_mode mode; - /* There is a case not handled here: a structure with a known alignment of just a halfword and a field split across two aligned halfwords within the structure. @@ -1013,7 +1010,7 @@ store_fixed_bit_field (rtx op0, unsigned HOST_WIDE_INT bitsize, if (MEM_P (op0)) { - mode = GET_MODE (op0); + enum machine_mode mode = GET_MODE (op0); if (GET_MODE_BITSIZE (mode) == 0 || GET_MODE_BITSIZE (mode) > GET_MODE_BITSIZE (word_mode)) mode = word_mode; @@ -1033,7 +1030,6 @@ store_fixed_bit_field (rtx op0, unsigned HOST_WIDE_INT bitsize, } store_fixed_bit_field_1 (op0, bitsize, bitnum, value); - return; } /* Helper function for store_fixed_bit_field, stores @@ -1041,8 +1037,8 @@ store_fixed_bit_field (rtx op0, unsigned HOST_WIDE_INT bitsize, static void store_fixed_bit_field_1 (rtx op0, unsigned HOST_WIDE_INT bitsize, - unsigned HOST_WIDE_INT bitnum, - rtx value) + unsigned HOST_WIDE_INT bitnum, + rtx value) { enum machine_mode mode; rtx temp; @@ -1793,12 +1789,11 @@ extract_fixed_bit_field (enum machine_mode tmode, rtx op0, unsigned HOST_WIDE_INT bitnum, rtx target, int unsignedp) { - enum machine_mode mode; - if (MEM_P (op0)) { - mode = get_best_mode (bitsize, bitnum, 0, 0, - MEM_ALIGN (op0), word_mode, MEM_VOLATILE_P (op0)); + enum machine_mode mode + = get_best_mode (bitsize, bitnum, 0, 0, MEM_ALIGN (op0), word_mode, + MEM_VOLATILE_P (op0)); if (mode == VOIDmode) /* The only way this should occur is if the field spans word @@ -1821,9 +1816,7 @@ extract_fixed_bit_field_1 (enum machine_mode tmode, rtx op0, unsigned HOST_WIDE_INT bitnum, rtx target, int unsignedp) { - enum machine_mode mode; - - mode = GET_MODE (op0); + enum machine_mode mode = GET_MODE (op0); gcc_assert (SCALAR_INT_MODE_P (mode)); /* Note that bitsize + bitnum can be greater than GET_MODE_BITSIZE (mode) |

