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| author | Uros Bizjak <ubizjak@gmail.com> | 2018-08-19 21:10:37 +0200 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2018-08-19 21:10:37 +0200 |
| commit | c6067437d314f803a6b7c1083f6d280caaf17ce3 (patch) | |
| tree | b060ee11935f895447eae90d6f726a0a6d626a57 | |
| parent | 49ad7eb55658cea1dd501b035c57c8d4cd350b90 (diff) | |
| download | gcc-c6067437d314f803a6b7c1083f6d280caaf17ce3.zip gcc-c6067437d314f803a6b7c1083f6d280caaf17ce3.tar.gz gcc-c6067437d314f803a6b7c1083f6d280caaf17ce3.tar.bz2 | |
re PR target/86994 (64-bit gcc.target/i386/20040112-1.c FAILs)
PR target/86994
* config/i386/i386.c (ix86_rtx_costs) [case SET]: Check source for
register_operand when calling ix86_set_reg_reg_cost.
[case CONST_INT, case CONST, case LABEL_REF, case SYMBOL_REF]:
Set *total to 0 for operands that satisfy x86_64_immediate_operand
predicate and to 1 otherwise.
From-SVN: r263652
| -rw-r--r-- | gcc/ChangeLog | 9 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 18 |
2 files changed, 13 insertions, 14 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ccc76e4..ec1fb24 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,12 @@ +2018-08-19 Uros Bizjak <ubizjak@gmail.com> + + PR target/86994 + * config/i386/i386.c (ix86_rtx_costs) [case SET]: Check source for + register_operand when calling ix86_set_reg_reg_cost. + [case CONST_INT, case CONST, case LABEL_REF, case SYMBOL_REF]: + Set *total to 0 for operands that satisfy x86_64_immediate_operand + predicate and to 1 otherwise. + 2018-08-18 Iain Sandoe <iain@sandoe.co.uk> * config/darwin.c (darwin_override_options): If -gsplit-dwarf is set, diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 3548de2..0b2b1b7 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -40554,7 +40554,7 @@ ix86_rtx_costs (rtx x, machine_mode mode, int outer_code_i, int opno, { case SET: if (register_operand (SET_DEST (x), VOIDmode) - && reg_or_0_operand (SET_SRC (x), VOIDmode)) + && register_operand (SET_SRC (x), VOIDmode)) { *total = ix86_set_reg_reg_cost (GET_MODE (SET_DEST (x))); return true; @@ -40581,20 +40581,10 @@ ix86_rtx_costs (rtx x, machine_mode mode, int outer_code_i, int opno, case CONST: case LABEL_REF: case SYMBOL_REF: - if (TARGET_64BIT && !x86_64_immediate_operand (x, VOIDmode)) - *total = 3; - else if (TARGET_64BIT && !x86_64_zext_immediate_operand (x, VOIDmode)) - *total = 2; - else if (flag_pic && SYMBOLIC_CONST (x) - && !(TARGET_64BIT - && (GET_CODE (x) == LABEL_REF - || (GET_CODE (x) == SYMBOL_REF - && SYMBOL_REF_LOCAL_P (x)))) - /* Use 0 cost for CONST to improve its propagation. */ - && (TARGET_64BIT || GET_CODE (x) != CONST)) - *total = 1; - else + if (x86_64_immediate_operand (x, VOIDmode)) *total = 0; + else + *total = 1; return true; case CONST_DOUBLE: |