X86: Let microops force folding an index into the high byte of a register.

2009-08-05 03:03:07 -07:00 · 2009-08-05 03:03:07 -07:00 · df1abc4412
parent c4140d7d60
commit df1abc4412
1 changed files with 4 additions and 0 deletions
--- a/src/arch/x86/isa/microasm.isa
+++ b/src/arch/x86/isa/microasm.isa
@ -151,6 +151,10 @@ let {{
        assembler.symbols["r%s" % reg] = \
            regIdx("INTREG_R%s" % reg.upper())

+    for reg in ('ah', 'bh', 'ch', 'dh'):
+        assembler.symbols[reg] = \
+            regIdx("INTREG_FOLDED(INTREG_%s, IntFoldBit)" % reg.upper())
+
    for reg in range(16):
        assembler.symbols["cr%d" % reg] = regIdx("MISCREG_CR%d" % reg)