[PATCH] RISC-V: lib: Fixes for setjmp/longjmp.

[Andrius Štikonas]

a0 register had been clobbered by val and subsequent loads were failing

* lib/riscv64-mes-gcc/setjmp.c: Use extended assembly.
---
 lib/riscv64-mes-gcc/setjmp.c | 54 ++++++++++++++++++------------------
 1 file changed, 27 insertions(+), 27 deletions(-)

diff --git a/lib/riscv64-mes-gcc/setjmp.c b/lib/riscv64-mes-gcc/setjmp.c
index 7c2828f0..6df7908f 100644
--- a/lib/riscv64-mes-gcc/setjmp.c
+++ b/lib/riscv64-mes-gcc/setjmp.c
@@ -28,35 +28,35 @@ longjmp (jmp_buf env, int val)
 {
     val = val == 0 ? 1 : val;
     asm(
-    "ld s0,    0(a0)\n\t"
-    "ld s1,    8(a0)\n\t"
-    "ld s2,    16(a0)\n\t"
-    "ld s3,    24(a0)\n\t"
-    "ld s4,    32(a0)\n\t"
-    "ld s5,    40(a0)\n\t"
-    "ld s6,    48(a0)\n\t"
-    "ld s7,    56(a0)\n\t"
-    "ld s8,    64(a0)\n\t"
-    "ld s9,    72(a0)\n\t"
-    "ld s10,   80(a0)\n\t"
-    "ld s11,   88(a0)\n\t"
-    "ld sp,    96(a0)\n\t"
-    "ld ra,    104(a0)\n\t"
+    "ld s0,    0(%0)\n\t"
+    "ld s1,    8(%0)\n\t"
+    "ld s2,    16(%0)\n\t"
+    "ld s3,    24(%0)\n\t"
+    "ld s4,    32(%0)\n\t"
+    "ld s5,    40(%0)\n\t"
+    "ld s6,    48(%0)\n\t"
+    "ld s7,    56(%0)\n\t"
+    "ld s8,    64(%0)\n\t"
+    "ld s9,    72(%0)\n\t"
+    "ld s10,   80(%0)\n\t"
+    "ld s11,   88(%0)\n\t"
+    "ld sp,    96(%0)\n\t"
+    "ld ra,    104(%0)\n\t"
 #if HAVE_FLOAT_ASM && HAVE_FLOAT && ! __riscv_float_abi_soft
-    "fld fs0,  112(a0)\n\t"
-    "fld fs1,  120(a0)\n\t"
-    "fld fs2,  128(a0)\n\t"
-    "fld fs3,  136(a0)\n\t"
-    "fld fs4,  144(a0)\n\t"
-    "fld fs5,  152(a0)\n\t"
-    "fld fs6,  160(a0)\n\t"
-    "fld fs7,  168(a0)\n\t"
-    "fld fs8,  176(a0)\n\t"
-    "fld fs9,  184(a0)\n\t"
-    "fld fs10, 192(a0)\n\t"
-    "fld fs11, 200(a0)\n\t"
+    "fld fs0,  112(%0)\n\t"
+    "fld fs1,  120(%0)\n\t"
+    "fld fs2,  128(%0)\n\t"
+    "fld fs3,  136(%0)\n\t"
+    "fld fs4,  144(%0)\n\t"
+    "fld fs5,  152(%0)\n\t"
+    "fld fs6,  160(%0)\n\t"
+    "fld fs7,  168(%0)\n\t"
+    "fld fs8,  176(%0)\n\t"
+    "fld fs9,  184(%0)\n\t"
+    "fld fs10, 192(%0)\n\t"
+    "fld fs11, 200(%0)\n\t"
 #endif
-    );
+    : : "r" (env) );
 }
 
 int
-- 
2.43.2