MIPS64: Fix stub_test in a proper way
This reverts commit dc2388f9e7929faecaea9446c6ebd522445ac915 and
fixes stub_test in a proper way. Register names $12-$15 has been
used in the clobber list instead aliases t0-t3 because they are
ambiguous.
Change-Id: Idf8c866267a169c00046cc0a8191ec9712a5f937
diff --git a/runtime/arch/stub_test.cc b/runtime/arch/stub_test.cc
index 7170f73..d4b873e 100644
--- a/runtime/arch/stub_test.cc
+++ b/runtime/arch/stub_test.cc
@@ -378,8 +378,8 @@
"memory"); // clobber.
#elif defined(__mips__) && defined(__LP64__)
__asm__ __volatile__ (
- // Spill a0-a7 and t0-t3 which we say we don't clobber. May contain args.
- "daddiu $sp, $sp, -96\n\t"
+ // Spill a0-a7 which we say we don't clobber. May contain args.
+ "daddiu $sp, $sp, -64\n\t"
"sd $a0, 0($sp)\n\t"
"sd $a1, 8($sp)\n\t"
"sd $a2, 16($sp)\n\t"
@@ -388,10 +388,6 @@
"sd $a5, 40($sp)\n\t"
"sd $a6, 48($sp)\n\t"
"sd $a7, 56($sp)\n\t"
- "sd $t0, 64($sp)\n\t"
- "sd $t1, 72($sp)\n\t"
- "sd $t2, 80($sp)\n\t"
- "sd $t3, 88($sp)\n\t"
"daddiu $sp, $sp, -16\n\t" // Reserve stack space, 16B aligned.
"sd %[referrer], 0($sp)\n\t"
@@ -427,18 +423,16 @@
"ld $a5, 40($sp)\n\t"
"ld $a6, 48($sp)\n\t"
"ld $a7, 56($sp)\n\t"
- "ld $t0, 64($sp)\n\t"
- "ld $t1, 72($sp)\n\t"
- "ld $t2, 80($sp)\n\t"
- "ld $t3, 88($sp)\n\t"
- "daddiu $sp, $sp, 96\n\t"
+ "daddiu $sp, $sp, 64\n\t"
"move %[result], $v0\n\t" // Store the call result.
: [result] "=r" (result)
: [arg0] "r"(arg0), [arg1] "r"(arg1), [arg2] "r"(arg2), [code] "r"(code), [self] "r"(self),
[referrer] "r"(referrer), [hidden] "r"(hidden)
- : "at", "v0", "v1", "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
- "t8", "t9", "k0", "k1", "fp", "ra",
+ // Instead aliases t0-t3, register names $12-$15 has been used in the clobber list because
+ // t0-t3 are ambiguous.
+ : "at", "v0", "v1", "$12", "$13", "$14", "$15", "s0", "s1", "s2", "s3", "s4", "s5", "s6",
+ "s7", "t8", "t9", "k0", "k1", "fp", "ra",
"$f0", "$f1", "$f2", "$f3", "$f4", "$f5", "$f6", "$f7", "$f8", "$f9", "$f10", "$f11",
"$f12", "$f13", "$f14", "$f15", "$f16", "$f17", "$f18", "$f19", "$f20", "$f21", "$f22",
"$f23", "$f24", "$f25", "$f26", "$f27", "$f28", "$f29", "$f30", "$f31",