[gentoo-commits] repo/gentoo:master commit in: dev-python/pypy-exe/, dev-python/pypy-exe/files/

[Georgy Yakovlev]

commit:     801e1926501d203432401cf01e49a87e5aef119e
Author:     Georgy Yakovlev <gyakovlev <AT> gentoo <DOT> org>
AuthorDate: Mon Oct  5 00:30:22 2020 +0000
Commit:     Georgy Yakovlev <gyakovlev <AT> gentoo <DOT> org>
CommitDate: Mon Oct  5 01:11:18 2020 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=801e1926

dev-python/pypy-exe: backport ppc64 patch to 3.7.2

Patches already upstream, fixes segfault in bootstrap.
https://foss.heptapod.net/pypy/pypy/-/issues/3309

Package-Manager: Portage-3.0.8, Repoman-3.0.1
Signed-off-by: Georgy Yakovlev <gyakovlev <AT> gentoo.org>

 .../pypy-exe/files/pypy-7.3.2-ppc64-segfault.patch | 64 ++++++++++++++++++++++
 dev-python/pypy-exe/pypy-exe-7.3.2.ebuild          |  4 ++
 2 files changed, 68 insertions(+)

diff --git a/dev-python/pypy-exe/files/pypy-7.3.2-ppc64-segfault.patch b/dev-python/pypy-exe/files/pypy-7.3.2-ppc64-segfault.patch
new file mode 100644
index 00000000000..c143a3765cd
--- /dev/null
+++ b/dev-python/pypy-exe/files/pypy-7.3.2-ppc64-segfault.patch
@@ -0,0 +1,64 @@
+From 913e0dae8ac7ce8219a5f31126fee8a794cc314c Mon Sep 17 00:00:00 2001
+From: Armin Rigo <arigo@×××××.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
+

diff --git a/dev-python/pypy-exe/pypy-exe-7.3.2.ebuild b/dev-python/pypy-exe/pypy-exe-7.3.2.ebuild
index c0dee5cf1c6..5f8b73f349d 100644
--- a/dev-python/pypy-exe/pypy-exe-7.3.2.ebuild
+++ b/dev-python/pypy-exe/pypy-exe-7.3.2.ebuild
@@ -59,6 +59,10 @@ check_env() {
 	check-reqs_pkg_pretend
 }
 
+PATCHES=(
+	"${FILESDIR}"/pypy-7.3.2-ppc64-segfault.patch
+)
+
 pkg_pretend() {
 	[[ ${MERGE_TYPE} != binary ]] && check_env
 }