diff --git a/src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c b/src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
index 4339443231d..7a97c8a65aa 100644
--- a/src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
+++ b/src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
@@ -2253,6 +2253,7 @@ emit_alu(struct ntv_context *ctx, nir_alu_instr *alu)
    BUILTIN_BINOP(nir_op_imax, GLSLstd450SMax)
    BUILTIN_BINOP(nir_op_umin, GLSLstd450UMin)
    BUILTIN_BINOP(nir_op_umax, GLSLstd450UMax)
+   BUILTIN_BINOP(nir_op_ldexp, GLSLstd450Ldexp)
 #undef BUILTIN_BINOP
 
    case nir_op_fdot2:
diff --git a/src/gallium/drivers/zink/zink_compiler.c b/src/gallium/drivers/zink/zink_compiler.c
index 468b21fd164..ed6d7d3220a 100644
--- a/src/gallium/drivers/zink/zink_compiler.c
+++ b/src/gallium/drivers/zink/zink_compiler.c
@@ -1252,6 +1252,15 @@ zink_screen_init_compiler(struct zink_screen *screen)
       .lower_extract_word = true,
       .lower_insert_byte = true,
       .lower_insert_word = true,
+
+      /* We can only support 32-bit ldexp, but NIR doesn't have a flag
+       * distinguishing 64-bit ldexp support (radeonsi *does* support 64-bit
+       * ldexp, so we don't just always lower it in NIR).  Given that ldexp is
+       * effectively unused (no instances in shader-db), it's not worth the
+       * effort to do so.
+       * */
+      .lower_ldexp = true,
+
       .lower_mul_high = true,
       .lower_rotate = true,
       .lower_uadd_carry = true,
diff --git a/src/gallium/drivers/zink/zink_screen.c b/src/gallium/drivers/zink/zink_screen.c
index 5ff786cee3c..39f08ee5c3f 100644
--- a/src/gallium/drivers/zink/zink_screen.c
+++ b/src/gallium/drivers/zink/zink_screen.c
@@ -1243,6 +1243,8 @@ zink_get_shader_param(struct pipe_screen *pscreen,
       return 0;
 
    case PIPE_SHADER_CAP_LDEXP_SUPPORTED:
+      return 1;
+
    case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
    case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
       return 0; /* not implemented */