Author: David Schneider <[email protected]>
Branch: armhf-singlefloat
Changeset: r67988:93c961fe1b79
Date: 2013-11-12 09:52 -0600
http://bitbucket.org/pypy/pypy/changeset/93c961fe1b79/
Log: add single precission VFP register locations
diff --git a/rpython/jit/backend/arm/locations.py
b/rpython/jit/backend/arm/locations.py
--- a/rpython/jit/backend/arm/locations.py
+++ b/rpython/jit/backend/arm/locations.py
@@ -56,7 +56,7 @@
width = 2 * WORD
def __repr__(self):
- return 'vfp%d' % self.value
+ return 'vfp(d%d)' % self.value
def is_core_reg(self):
return False
@@ -70,6 +70,14 @@
def is_float(self):
return True
+class SVFPRegisterLocation(VFPRegisterLocation):
+ """Single Precission VFP Register"""
+ _immutable_ = True
+ width = WORD
+ type = 'S'
+
+ def __repr__(self):
+ return 'vfp(s%d)' % self.value
class ImmLocation(AssemblerLocation):
_immutable_ = True
diff --git a/rpython/jit/backend/arm/registers.py
b/rpython/jit/backend/arm/registers.py
--- a/rpython/jit/backend/arm/registers.py
+++ b/rpython/jit/backend/arm/registers.py
@@ -1,8 +1,10 @@
from rpython.jit.backend.arm.locations import VFPRegisterLocation
+from rpython.jit.backend.arm.locations import SVFPRegisterLocation
from rpython.jit.backend.arm.locations import RegisterLocation
registers = [RegisterLocation(i) for i in range(16)]
vfpregisters = [VFPRegisterLocation(i) for i in range(16)]
+svfpregisters = [SVFPRegisterLocation(i) for i in range(32)]
[r0, r1, r2, r3, r4, r5, r6, r7,
r8, r9, r10, r11, r12, r13, r14, r15] = registers
@@ -10,6 +12,10 @@
[d0, d1, d2, d3, d4, d5, d6, d7,
d8, d9, d10, d11, d12, d13, d14, d15] = vfpregisters
+# single precission VFP registers, 32-bit
+for i in range(32):
+ globals()['s%d' % i] = svfpregisters[i]
+
# aliases for registers
fp = r11
ip = r12
@@ -27,6 +33,7 @@
callee_restored_registers = callee_resp + [pc]
vfp_argument_regs = caller_vfp_resp = [d0, d1, d2, d3, d4, d5, d6, d7]
+svfp_argument_regs = [globals()['s%i' % i] for i in range(16)]
callee_vfp_resp = [d8, d9, d10, d11, d12, d13, d14, d15]
callee_saved_vfp_registers = callee_vfp_resp
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