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| author | vmakarov <vmakarov@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-01-15 20:26:19 +0000 |
|---|---|---|
| committer | vmakarov <vmakarov@138bc75d-0d04-0410-961f-82ee72b054a4> | 2015-01-15 20:26:19 +0000 |
| commit | ed6272f7f323f289a2b10e156d24f073aa2e8887 (patch) | |
| tree | 8ad53dce7dd0dcd0dfba90387bdd8075e7e631b3 /gcc/lra-constraints.c | |
| parent | ca4c354552639d3bac6d1f690d9e04017d7d80ed (diff) | |
| download | gcc-ed6272f7f323f289a2b10e156d24f073aa2e8887.tar.gz | |
2015-01-15 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/64110
* stmt.c (parse_output_constraint): Process '^' and '$'.
(parse_input_constraint): Ditto.
* lra-constraints.c (process_alt_operands): Process the new
constraints.
* ira-costs.c (record_reg_classes): Process the new constraint
'^'.
* genoutput.c (indep_constraints): Add '^' and '$'.
* config/i386/sse.md (*vec_dup<mode>): Use '$' instead of '!'.
* doc/md.texi: Add description of the new constraints.
2015-01-15 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/64110
* gcc.target/i386/pr64110.c: Add scan-assembler.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@219683 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/lra-constraints.c')
| -rw-r--r-- | gcc/lra-constraints.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c index cdfa94441e0..f102fe5010f 100644 --- a/gcc/lra-constraints.c +++ b/gcc/lra-constraints.c @@ -1657,6 +1657,7 @@ process_alt_operands (int only_alternative) then REJECT is ignored, but otherwise it gets this much counted against it in addition to the reloading needed. */ int reject; + int op_reject; /* The number of elements in the following array. */ int early_clobbered_regs_num; /* Numbers of operands which are early clobber registers. */ @@ -1806,6 +1807,7 @@ process_alt_operands (int only_alternative) track. */ lra_assert (*p != 0 && *p != ','); + op_reject = 0; /* Scan this alternative's specs for this operand; set WIN if the operand fits any letter in this alternative. Otherwise, clear BADOP if this operand could fit some @@ -1828,6 +1830,13 @@ process_alt_operands (int only_alternative) early_clobber_p = true; break; + case '$': + op_reject += LRA_MAX_REJECT; + break; + case '^': + op_reject += LRA_LOSER_COST_FACTOR; + break; + case '#': /* Ignore rest of this alternative. */ c = '\0'; @@ -2114,6 +2123,7 @@ process_alt_operands (int only_alternative) int const_to_mem = 0; bool no_regs_p; + reject += op_reject; /* Never do output reload of stack pointer. It makes impossible to do elimination when SP is changed in RTL. */ |