Add better support for $fp and $sp for mips inline asm support.
Patch by Jack Carter.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153530 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index d4e5d2d..7442432 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -3491,14 +3491,18 @@
virtual void getGCCRegNames(const char * const *&Names,
unsigned &NumNames) const {
static const char * const GCCRegNames[] = {
+ // CPU register names
+ // Must match second column of GCCRegAliases
"$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7",
"$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15",
"$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23",
- "$24", "$25", "$26", "$27", "$28", "$sp", "$fp", "$31",
+ "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31",
+ // Floating point register names
"$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", "$f31",
+ // Hi/lo and condition register names
"hi", "lo", "", "$fcc0","$fcc1","$fcc2","$fcc3","$fcc4",
"$fcc5","$fcc6","$fcc7"
};
@@ -3622,8 +3626,8 @@
{ { "k0" }, "$26" },
{ { "k1" }, "$27" },
{ { "gp" }, "$28" },
- { { "sp" }, "$29" },
- { { "fp" }, "$30" },
+ { { "sp","$sp" }, "$29" },
+ { { "fp","$fp" }, "$30" },
{ { "ra" }, "$31" }
};
Aliases = GCCRegAliases;
@@ -3740,8 +3744,8 @@
{ { "k0" }, "$26" },
{ { "k1" }, "$27" },
{ { "gp" }, "$28" },
- { { "sp" }, "$29" },
- { { "fp" }, "$30" },
+ { { "sp","$sp" }, "$29" },
+ { { "fp","$fp" }, "$30" },
{ { "ra" }, "$31" }
};
Aliases = GCCRegAliases;
diff --git a/test/CodeGen/mips-clobber-reg.c b/test/CodeGen/mips-clobber-reg.c
new file mode 100644
index 0000000..2a06e53
--- /dev/null
+++ b/test/CodeGen/mips-clobber-reg.c
@@ -0,0 +1,80 @@
+// RUN: %clang -target mipsel-unknown-linux -ccc-clang-archs mipsel -S -o - -emit-llvm %s
+
+/*
+ This checks that the frontend will accept both
+ enumerated and symbolic Mips GPR register names.
+
+ Any bad names will make the frontend choke.
+ */
+
+main()
+{
+
+ __asm__ __volatile__ (".set noat \n\t addi $7,$at,77":::"at");
+ __asm__ __volatile__ ("addi $7,$v0,77":::"v0");
+ __asm__ __volatile__ ("addi $7,$v1,77":::"v1");
+ __asm__ __volatile__ ("addi $7,$a0,77":::"a0");
+ __asm__ __volatile__ ("addi $7,$a1,77":::"a1");
+ __asm__ __volatile__ ("addi $7,$a2,77":::"a2");
+ __asm__ __volatile__ ("addi $7,$a3,77":::"a3");
+ __asm__ __volatile__ ("addi $7,$t0,77":::"t0");
+ __asm__ __volatile__ ("addi $7,$t1,77":::"t1");
+ __asm__ __volatile__ ("addi $7,$t2,77":::"t2");
+ __asm__ __volatile__ ("addi $7,$t3,77":::"t3");
+ __asm__ __volatile__ ("addi $7,$t4,77":::"t4");
+ __asm__ __volatile__ ("addi $7,$t5,77":::"t5");
+ __asm__ __volatile__ ("addi $7,$t6,77":::"t6");
+ __asm__ __volatile__ ("addi $7,$t7,77":::"t7");
+ __asm__ __volatile__ ("addi $7,$s0,77":::"s0");
+ __asm__ __volatile__ ("addi $7,$s1,77":::"s1");
+ __asm__ __volatile__ ("addi $7,$s2,77":::"s2");
+ __asm__ __volatile__ ("addi $7,$s3,77":::"s3");
+ __asm__ __volatile__ ("addi $7,$s4,77":::"s4");
+ __asm__ __volatile__ ("addi $7,$s5,77":::"s5");
+ __asm__ __volatile__ ("addi $7,$s6,77":::"s6");
+ __asm__ __volatile__ ("addi $7,$s7,77":::"s7");
+ __asm__ __volatile__ ("addi $7,$t8,77":::"t8");
+ __asm__ __volatile__ ("addi $7,$t9,77":::"t9");
+ __asm__ __volatile__ ("addi $7,$k0,77":::"k0");
+ __asm__ __volatile__ ("addi $7,$k1,77":::"k1");
+ __asm__ __volatile__ ("addi $7,$gp,77":::"gp");
+ __asm__ __volatile__ ("addi $7,$sp,77":::"sp");
+ __asm__ __volatile__ ("addi $7,$fp,77":::"fp");
+ __asm__ __volatile__ ("addi $7,$sp,77":::"$sp");
+ __asm__ __volatile__ ("addi $7,$fp,77":::"$fp");
+ __asm__ __volatile__ ("addi $7,$ra,77":::"ra");
+
+ __asm__ __volatile__ ("addi $7,$0,77":::"$0");
+ __asm__ __volatile__ (".set noat \n\t addi $7,$1,77":::"$1");
+ __asm__ __volatile__ ("addi $7,$2,77":::"$2");
+ __asm__ __volatile__ ("addi $7,$3,77":::"$3");
+ __asm__ __volatile__ ("addi $7,$4,77":::"$4");
+ __asm__ __volatile__ ("addi $7,$5,77":::"$5");
+ __asm__ __volatile__ ("addi $7,$6,77":::"$6");
+ __asm__ __volatile__ ("addi $7,$7,77":::"$7");
+ __asm__ __volatile__ ("addi $7,$8,77":::"$8");
+ __asm__ __volatile__ ("addi $7,$9,77":::"$9");
+ __asm__ __volatile__ ("addi $7,$10,77":::"$10");
+ __asm__ __volatile__ ("addi $7,$11,77":::"$10");
+ __asm__ __volatile__ ("addi $7,$12,77":::"$12");
+ __asm__ __volatile__ ("addi $7,$13,77":::"$13");
+ __asm__ __volatile__ ("addi $7,$14,77":::"$14");
+ __asm__ __volatile__ ("addi $7,$15,77":::"$15");
+ __asm__ __volatile__ ("addi $7,$16,77":::"$16");
+ __asm__ __volatile__ ("addi $7,$17,77":::"$17");
+ __asm__ __volatile__ ("addi $7,$18,77":::"$18");
+ __asm__ __volatile__ ("addi $7,$19,77":::"$19");
+ __asm__ __volatile__ ("addi $7,$20,77":::"$20");
+ __asm__ __volatile__ ("addi $7,$21,77":::"$21");
+ __asm__ __volatile__ ("addi $7,$22,77":::"$22");
+ __asm__ __volatile__ ("addi $7,$23,77":::"$23");
+ __asm__ __volatile__ ("addi $7,$24,77":::"$24");
+ __asm__ __volatile__ ("addi $7,$25,77":::"$25");
+ __asm__ __volatile__ ("addi $7,$26,77":::"$26");
+ __asm__ __volatile__ ("addi $7,$27,77":::"$27");
+ __asm__ __volatile__ ("addi $7,$28,77":::"$28");
+ __asm__ __volatile__ ("addi $7,$29,77":::"$29");
+ __asm__ __volatile__ ("addi $7,$30,77":::"$30");
+ __asm__ __volatile__ ("addi $7,$31,77":::"$31");
+
+}
