[pypy-commit] pypy armhf-singlefloat: add single precission VFP register locations

[bivab]

Author: David Schneider <david.schnei...@picle.org>
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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