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-rw-r--r--dev-python/pypy3-exe/files/pypy3-7.3.2-ppc64-segfault.patch64
1 files changed, 64 insertions, 0 deletions
diff --git a/dev-python/pypy3-exe/files/pypy3-7.3.2-ppc64-segfault.patch b/dev-python/pypy3-exe/files/pypy3-7.3.2-ppc64-segfault.patch
new file mode 100644
index 000000000000..c143a3765cdf
--- /dev/null
+++ b/dev-python/pypy3-exe/files/pypy3-7.3.2-ppc64-segfault.patch
@@ -0,0 +1,64 @@
+From 913e0dae8ac7ce8219a5f31126fee8a794cc314c Mon Sep 17 00:00:00 2001
+From: Armin Rigo <arigo@tunes.org>
+Date: Sat, 26 Sep 2020 09:26:24 +0200
+Subject: [PATCH] oops, fix for test_gc_indexed_box_plus_large_offset
+
+---
+ rpython/jit/backend/ppc/opassembler.py | 16 +++++++++++-----
+ rpython/jit/backend/ppc/regalloc.py | 4 ++--
+ 2 files changed, 13 insertions(+), 7 deletions(-)
+
+diff --git a/rpython/jit/backend/ppc/opassembler.py b/rpython/jit/backend/ppc/opassembler.py
+index b79b18e530..4bbfbba93a 100644
+--- a/rpython/jit/backend/ppc/opassembler.py
++++ b/rpython/jit/backend/ppc/opassembler.py
+@@ -755,13 +755,19 @@ class FieldOpAssembler(object):
+ def _apply_offset(self, index_loc, ofs_loc):
+ # If offset != 0 then we have to add it here. Note that
+ # mc.addi() would not be valid with operand r0.
+- assert ofs_loc.is_imm() # must be an immediate...
+- assert _check_imm_arg(ofs_loc.getint()) # ...that fits 16 bits
+ assert index_loc.is_core_reg()
+ assert index_loc is not r.SCRATCH2
+- # (simplified version of _apply_scale())
+- if ofs_loc.value > 0:
+- self.mc.addi(r.SCRATCH2.value, index_loc.value, ofs_loc.value)
++ if ofs_loc.is_imm():
++ # if it is an immediate, it must fit into 16 bits
++ assert _check_imm_arg(ofs_loc.getint())
++ # (simplified version of _apply_scale())
++ if ofs_loc.value != 0:
++ self.mc.addi(r.SCRATCH2.value, index_loc.value, ofs_loc.value)
++ index_loc = r.SCRATCH2
++ else:
++ # larger immediates are loaded into a register in regalloc.py
++ assert ofs_loc.is_core_reg()
++ self.mc.add(r.SCRATCH2.value, index_loc.value, ofs_loc.value)
+ index_loc = r.SCRATCH2
+ return index_loc
+
+diff --git a/rpython/jit/backend/ppc/regalloc.py b/rpython/jit/backend/ppc/regalloc.py
+index f3ee1129e4..827953cf12 100644
+--- a/rpython/jit/backend/ppc/regalloc.py
++++ b/rpython/jit/backend/ppc/regalloc.py
+@@ -771,7 +771,7 @@ class Regalloc(BaseRegalloc, VectorRegalloc):
+ value_loc = self.ensure_reg(op.getarg(2))
+ assert op.getarg(3).getint() == 1 # scale
+ ofs_loc = self.ensure_reg_or_16bit_imm(op.getarg(4))
+- assert ofs_loc.is_imm() # the arg(4) should always be a small constant
++ # the arg(4) is often a small constant, but it may be too large
+ size_loc = self.ensure_reg_or_any_imm(op.getarg(5))
+ return [base_loc, index_loc, value_loc, ofs_loc, size_loc]
+
+@@ -780,7 +780,7 @@ class Regalloc(BaseRegalloc, VectorRegalloc):
+ index_loc = self.ensure_reg(op.getarg(1))
+ assert op.getarg(2).getint() == 1 # scale
+ ofs_loc = self.ensure_reg_or_16bit_imm(op.getarg(3))
+- assert ofs_loc.is_imm() # the arg(3) should always be a small constant
++ # the arg(3) is often a small constant, but it may be too large
+ self.free_op_vars()
+ res_loc = self.force_allocate_reg(op)
+ size_box = op.getarg(4)
+--
+GitLab
+