Author: jyknight Date: Fri May 12 11:01:23 2017 New Revision: 302913 URL: http://llvm.org/viewvc/llvm-project?rev=302913&view=rev Log: [SPARC] Support 'f' and 'e' inline asm constraints.
Patch by Patrick Boettcher. Differential Revision: https://reviews.llvm.org/D29117 Added: cfe/trunk/test/CodeGen/sparcv8-inline-asm.c Modified: cfe/trunk/lib/Basic/Targets.cpp Modified: cfe/trunk/lib/Basic/Targets.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets.cpp?rev=302913&r1=302912&r2=302913&view=diff ============================================================================== --- cfe/trunk/lib/Basic/Targets.cpp (original) +++ cfe/trunk/lib/Basic/Targets.cpp Fri May 12 11:01:23 2017 @@ -6862,6 +6862,11 @@ public: case 'N': // Same as 'K' but zext (required for SIMode) case 'O': // The constant 4096 return true; + + case 'f': + case 'e': + info.setAllowsRegister(); + return true; } return false; } Added: cfe/trunk/test/CodeGen/sparcv8-inline-asm.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/sparcv8-inline-asm.c?rev=302913&view=auto ============================================================================== --- cfe/trunk/test/CodeGen/sparcv8-inline-asm.c (added) +++ cfe/trunk/test/CodeGen/sparcv8-inline-asm.c Fri May 12 11:01:23 2017 @@ -0,0 +1,11 @@ +// RUN: %clang_cc1 -triple sparc-unknown-unknown -emit-llvm %s -o - | FileCheck %s + +// CHECK: define float @fabsf(float %a) +// CHECK: %{{.*}} = call float asm sideeffect "fabss $1, $0;", "=e,f"(float %{{.*}}) #1 +float fabsf(float a) { + float res; + __asm __volatile__("fabss %1, %0;" + : /* reg out*/ "=e"(res) + : /* reg in */ "f"(a)); + return res; +} _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
