vhscampos updated this revision to Diff 226406.
vhscampos added a comment.
Use __builtin_bit_cast to perform the relevant bitcasts.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D69297/new/
https://reviews.llvm.org/D69297
Files:
clang/lib/Headers/arm_acle.h
clang/test/CodeGen/arm_acle.c
Index: clang/test/CodeGen/arm_acle.c
===================================================================
--- clang/test/CodeGen/arm_acle.c
+++ clang/test/CodeGen/arm_acle.c
@@ -822,6 +822,55 @@
__arm_wsrp("sysreg", v);
}
+// ARM-LABEL: test_rsrf
+// AArch64: call i64 @llvm.read_register.i64(metadata ![[M0:[0-9]]])
+// AArch32: call i32 @llvm.read_register.i32(metadata ![[M2:[0-9]]])
+// ARM-NOT: uitofp
+// ARM: bitcast
+float test_rsrf() {
+#ifdef __ARM_32BIT_STATE
+ return __arm_rsrf("cp1:2:c3:c4:5");
+#else
+ return __arm_rsrf("1:2:3:4:5");
+#endif
+}
+// ARM-LABEL: test_rsrf64
+// AArch64: call i64 @llvm.read_register.i64(metadata ![[M0:[0-9]]])
+// AArch32: call i64 @llvm.read_register.i64(metadata ![[M3:[0-9]]])
+// ARM-NOT: uitofp
+// ARM: bitcast
+double test_rsrf64() {
+#ifdef __ARM_32BIT_STATE
+ return __arm_rsrf64("cp1:2:c3");
+#else
+ return __arm_rsrf64("1:2:3:4:5");
+#endif
+}
+// ARM-LABEL: test_wsrf
+// ARM-NOT: fptoui
+// ARM: bitcast
+// AArch64: call void @llvm.write_register.i64(metadata ![[M0:[0-9]]], i64
%{{.*}})
+// AArch32: call void @llvm.write_register.i32(metadata ![[M2:[0-9]]], i32
%{{.*}})
+void test_wsrf(float v) {
+#ifdef __ARM_32BIT_STATE
+ __arm_wsrf("cp1:2:c3:c4:5", v);
+#else
+ __arm_wsrf("1:2:3:4:5", v);
+#endif
+}
+// ARM-LABEL: test_wsrf64
+// ARM-NOT: fptoui
+// ARM: bitcast
+// AArch64: call void @llvm.write_register.i64(metadata ![[M0:[0-9]]], i64
%{{.*}})
+// AArch32: call void @llvm.write_register.i64(metadata ![[M3:[0-9]]], i64
%{{.*}})
+void test_wsrf64(double v) {
+#ifdef __ARM_32BIT_STATE
+ __arm_wsrf64("cp1:2:c3", v);
+#else
+ __arm_wsrf64("1:2:3:4:5", v);
+#endif
+}
+
// AArch32: ![[M2]] = !{!"cp1:2:c3:c4:5"}
// AArch32: ![[M3]] = !{!"cp1:2:c3"}
// AArch32: ![[M4]] = !{!"sysreg"}
Index: clang/lib/Headers/arm_acle.h
===================================================================
--- clang/lib/Headers/arm_acle.h
+++ clang/lib/Headers/arm_acle.h
@@ -609,9 +609,13 @@
#define __arm_rsr(sysreg) __builtin_arm_rsr(sysreg)
#define __arm_rsr64(sysreg) __builtin_arm_rsr64(sysreg)
#define __arm_rsrp(sysreg) __builtin_arm_rsrp(sysreg)
+#define __arm_rsrf(sysreg) __builtin_bit_cast(float, __arm_rsr(sysreg))
+#define __arm_rsrf64(sysreg) __builtin_bit_cast(double, __arm_rsr64(sysreg))
#define __arm_wsr(sysreg, v) __builtin_arm_wsr(sysreg, v)
#define __arm_wsr64(sysreg, v) __builtin_arm_wsr64(sysreg, v)
#define __arm_wsrp(sysreg, v) __builtin_arm_wsrp(sysreg, v)
+#define __arm_wsrf(sysreg, v) __arm_wsr(sysreg, __builtin_bit_cast(uint32_t,
v))
+#define __arm_wsrf64(sysreg, v) __arm_wsr64(sysreg,
__builtin_bit_cast(uint64_t, v))
/* Memory Tagging Extensions (MTE) Intrinsics */
#if __ARM_FEATURE_MEMORY_TAGGING
Index: clang/test/CodeGen/arm_acle.c
===================================================================
--- clang/test/CodeGen/arm_acle.c
+++ clang/test/CodeGen/arm_acle.c
@@ -822,6 +822,55 @@
__arm_wsrp("sysreg", v);
}
+// ARM-LABEL: test_rsrf
+// AArch64: call i64 @llvm.read_register.i64(metadata ![[M0:[0-9]]])
+// AArch32: call i32 @llvm.read_register.i32(metadata ![[M2:[0-9]]])
+// ARM-NOT: uitofp
+// ARM: bitcast
+float test_rsrf() {
+#ifdef __ARM_32BIT_STATE
+ return __arm_rsrf("cp1:2:c3:c4:5");
+#else
+ return __arm_rsrf("1:2:3:4:5");
+#endif
+}
+// ARM-LABEL: test_rsrf64
+// AArch64: call i64 @llvm.read_register.i64(metadata ![[M0:[0-9]]])
+// AArch32: call i64 @llvm.read_register.i64(metadata ![[M3:[0-9]]])
+// ARM-NOT: uitofp
+// ARM: bitcast
+double test_rsrf64() {
+#ifdef __ARM_32BIT_STATE
+ return __arm_rsrf64("cp1:2:c3");
+#else
+ return __arm_rsrf64("1:2:3:4:5");
+#endif
+}
+// ARM-LABEL: test_wsrf
+// ARM-NOT: fptoui
+// ARM: bitcast
+// AArch64: call void @llvm.write_register.i64(metadata ![[M0:[0-9]]], i64 %{{.*}})
+// AArch32: call void @llvm.write_register.i32(metadata ![[M2:[0-9]]], i32 %{{.*}})
+void test_wsrf(float v) {
+#ifdef __ARM_32BIT_STATE
+ __arm_wsrf("cp1:2:c3:c4:5", v);
+#else
+ __arm_wsrf("1:2:3:4:5", v);
+#endif
+}
+// ARM-LABEL: test_wsrf64
+// ARM-NOT: fptoui
+// ARM: bitcast
+// AArch64: call void @llvm.write_register.i64(metadata ![[M0:[0-9]]], i64 %{{.*}})
+// AArch32: call void @llvm.write_register.i64(metadata ![[M3:[0-9]]], i64 %{{.*}})
+void test_wsrf64(double v) {
+#ifdef __ARM_32BIT_STATE
+ __arm_wsrf64("cp1:2:c3", v);
+#else
+ __arm_wsrf64("1:2:3:4:5", v);
+#endif
+}
+
// AArch32: ![[M2]] = !{!"cp1:2:c3:c4:5"}
// AArch32: ![[M3]] = !{!"cp1:2:c3"}
// AArch32: ![[M4]] = !{!"sysreg"}
Index: clang/lib/Headers/arm_acle.h
===================================================================
--- clang/lib/Headers/arm_acle.h
+++ clang/lib/Headers/arm_acle.h
@@ -609,9 +609,13 @@
#define __arm_rsr(sysreg) __builtin_arm_rsr(sysreg)
#define __arm_rsr64(sysreg) __builtin_arm_rsr64(sysreg)
#define __arm_rsrp(sysreg) __builtin_arm_rsrp(sysreg)
+#define __arm_rsrf(sysreg) __builtin_bit_cast(float, __arm_rsr(sysreg))
+#define __arm_rsrf64(sysreg) __builtin_bit_cast(double, __arm_rsr64(sysreg))
#define __arm_wsr(sysreg, v) __builtin_arm_wsr(sysreg, v)
#define __arm_wsr64(sysreg, v) __builtin_arm_wsr64(sysreg, v)
#define __arm_wsrp(sysreg, v) __builtin_arm_wsrp(sysreg, v)
+#define __arm_wsrf(sysreg, v) __arm_wsr(sysreg, __builtin_bit_cast(uint32_t, v))
+#define __arm_wsrf64(sysreg, v) __arm_wsr64(sysreg, __builtin_bit_cast(uint64_t, v))
/* Memory Tagging Extensions (MTE) Intrinsics */
#if __ARM_FEATURE_MEMORY_TAGGING
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