diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 28 | ||||
| -rw-r--r-- | gcc/cfgexpand.c | 2 | ||||
| -rw-r--r-- | gcc/ggc.h | 3 | ||||
| -rw-r--r-- | gcc/optabs.c | 2 | ||||
| -rw-r--r-- | gcc/stringpool.c | 23 |
5 files changed, 25 insertions, 33 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e0a9cc0..8fd5ef6 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,13 @@ +2017-06-30 Nathan Sidwell <nathan@acm.org> + + * ggc.h (empty_string): Delete. + * cfgexpand.c (expand_asm_stmt): Use plain "". + * optabs.c (expand_asm_memory_barrier): Likewise. + * stringpool.c (empty_string): Delete. + (digit_vector, digit_string): Delete. + (ggc_alloc_string): Use plain "", don't optimize single digit + strings. Use ggc_alloc_atomic. + 2017-06-30 Richard Earnshaw <rearnsha@arm.com> * rtlanal.c (insn_rtx_cost): If a parallel contains exactly one @@ -26,15 +36,15 @@ 2017-06-30 Jakub Jelinek <jakub@redhat.com> PR target/81225 - * config/i386/sse.md (vec_extract_lo_<mode><mask_name>): For - V8FI, V16FI and VI8F_256 iterators, use <store_mask_predicate> instead - of nonimmediate_operand and <store_mask_constraint> instead of m for - the input operand. For V8FI iterator, always split if input is a MEM. - For V16FI and V8SF_256 iterators, don't test if both operands are MEM - if <mask_applied>. For VI4F_256 iterator, use <store_mask_predicate> - instead of register_operand and <store_mask_constraint> instead of v for - the input operand. Make sure both operands aren't MEMs for if not - <mask_applied>. + * config/i386/sse.md (vec_extract_lo_<mode><mask_name>): For V8FI, + V16FI and VI8F_256 iterators, use <store_mask_predicate> instead + of nonimmediate_operand and <store_mask_constraint> instead of m + for the input operand. For V8FI iterator, always split if input + is a MEM. For V16FI and V8SF_256 iterators, don't test if both + operands are MEM if <mask_applied>. For VI4F_256 iterator, use + <store_mask_predicate> instead of register_operand and + <store_mask_constraint> instead of v for the input operand. Make + sure both operands aren't MEMs for if not <mask_applied>. 2017-06-30 Sylvestre Ledru <sylvestre@debian.org> diff --git a/gcc/cfgexpand.c b/gcc/cfgexpand.c index 71662f2..3b5f2fe 100644 --- a/gcc/cfgexpand.c +++ b/gcc/cfgexpand.c @@ -3165,7 +3165,7 @@ expand_asm_stmt (gasm *stmt) rtx body = gen_rtx_ASM_OPERANDS ((noutputs == 0 ? VOIDmode : GET_MODE (output_rvec[0])), ggc_strdup (gimple_asm_string (stmt)), - empty_string, 0, argvec, constraintvec, + "", 0, argvec, constraintvec, labelvec, locus); MEM_VOLATILE_P (body) = gimple_asm_volatile_p (stmt); @@ -24,9 +24,6 @@ along with GCC; see the file COPYING3. If not see /* Symbols are marked with `ggc' for `gcc gc' so as not to interfere with an external gc library that might be linked in. */ -/* Constants for general use. */ -extern const char empty_string[]; /* empty string */ - /* Internal functions and data structures used by the GTY machinery, including the generated gt*.[hc] files. */ diff --git a/gcc/optabs.c b/gcc/optabs.c index 9598adf..8fd5d91 100644 --- a/gcc/optabs.c +++ b/gcc/optabs.c @@ -6278,7 +6278,7 @@ expand_asm_memory_barrier (void) { rtx asm_op, clob; - asm_op = gen_rtx_ASM_OPERANDS (VOIDmode, empty_string, empty_string, 0, + asm_op = gen_rtx_ASM_OPERANDS (VOIDmode, "", "", 0, rtvec_alloc (0), rtvec_alloc (0), rtvec_alloc (0), UNKNOWN_LOCATION); MEM_VOLATILE_P (asm_op) = 1; diff --git a/gcc/stringpool.c b/gcc/stringpool.c index 6893275..7aa4e86 100644 --- a/gcc/stringpool.c +++ b/gcc/stringpool.c @@ -30,18 +30,6 @@ along with GCC; see the file COPYING3. If not see #include "coretypes.h" #include "tree.h" -/* The "" allocated string. */ -const char empty_string[] = ""; - -/* Character strings, each containing a single decimal digit. - Written this way to save space. */ -static const char digit_vector[] = { - '0', 0, '1', 0, '2', 0, '3', 0, '4', 0, - '5', 0, '6', 0, '7', 0, '8', 0, '9', 0 -}; - -#define digit_string(d) (digit_vector + ((d) * 2)) - struct ht *ident_hash; static hashnode alloc_node (cpp_hash_table *); @@ -82,19 +70,16 @@ alloc_node (cpp_hash_table *table ATTRIBUTE_UNUSED) const char * ggc_alloc_string (const char *contents, int length MEM_STAT_DECL) { - char *result; - if (length == -1) length = strlen (contents); - if (length == 0) - return empty_string; - if (length == 1 && ISDIGIT (contents[0])) - return digit_string (contents[0] - '0'); + if (!length) + return ""; - result = (char *) ggc_internal_cleared_alloc (length + 1 PASS_MEM_STAT); + char *result = (char *) ggc_alloc_atomic (length + 1); memcpy (result, contents, length); result[length] = '\0'; + return (const char *) result; } |